Boilers

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appliance","_questions_2_question":"field_propa_block_quiz_question","questions_2_choices_0_choice":"True","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"False","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices":2,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"True","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":4918,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"Name the boiler...","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"Condensing","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"Fan assisted","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"Balanced flue","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"Open flue","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"Condensing","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":4919,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"True or false: primary ventilation is required for a room sealed appliance","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"True","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"False","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices":2,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"False","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":4920,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"Name the flue...","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"Balanced flue","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"Fanned flue","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"Open flue","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"Flueless","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"Open flue","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":4921,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"Name the flue...","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"Balanced","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"Open","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"Fanned","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"Flueless","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"Balanced","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":4922,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"Is compartment ventilation required for a room sealed appliance?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"Yes","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"No","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"Only if sited in a compartment","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices":3,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"Only if sited in a compartment","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":4923,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"How many parts is an open flue split into?","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"1","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"2","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"3","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"4","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"4","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":4924,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"Name the boiler...","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"Condensing","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"Wall mounted","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"Free standing","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"Back boiler","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"Back boiler","_questions_9_answer":"field_propa_block_quiz_answer","questions_10_image":"4919","_questions_10_image":"field_propa_block_quiz_image","questions_10_question":"True or false: Open flues can have a bend within the first 600mm of the appliance","_questions_10_question":"field_propa_block_quiz_question","questions_10_choices_0_choice":"True","_questions_10_choices_0_choice":"field_propa_block_quiz_question_choice","questions_10_choices_1_choice":"False","_questions_10_choices_1_choice":"field_propa_block_quiz_question_choice","questions_10_choices":2,"_questions_10_choices":"field_propa_block_quiz_choices","questions_10_answer":"False","_questions_10_answer":"field_propa_block_quiz_answer","questions_11_image":"4922","_questions_11_image":"field_propa_block_quiz_image","questions_11_question":"Which external facing wall is the ideal position to install a weather sensor?","_questions_11_question":"field_propa_block_quiz_question","questions_11_choices_0_choice":"South","_questions_11_choices_0_choice":"field_propa_block_quiz_question_choice","questions_11_choices_1_choice":"North","_questions_11_choices_1_choice":"field_propa_block_quiz_question_choice","questions_11_choices_2_choice":"East","_questions_11_choices_2_choice":"field_propa_block_quiz_question_choice","questions_11_choices_3_choice":"West","_questions_11_choices_3_choice":"field_propa_block_quiz_question_choice","questions_11_choices":4,"_questions_11_choices":"field_propa_block_quiz_choices","questions_11_answer":"North","_questions_11_answer":"field_propa_block_quiz_answer","questions_12_image":4925,"_questions_12_image":"field_propa_block_quiz_image","questions_12_question":"What length of warranty is included with the Baxi 600 range?","_questions_12_question":"field_propa_block_quiz_question","questions_12_choices_0_choice":"7 years","_questions_12_choices_0_choice":"field_propa_block_quiz_question_choice","questions_12_choices_1_choice":"5 years","_questions_12_choices_1_choice":"field_propa_block_quiz_question_choice","questions_12_choices_2_choice":"2 years","_questions_12_choices_2_choice":"field_propa_block_quiz_question_choice","questions_12_choices_3_choice":"10 years","_questions_12_choices_3_choice":"field_propa_block_quiz_question_choice","questions_12_choices":4,"_questions_12_choices":"field_propa_block_quiz_choices","questions_12_answer":"7 years","_questions_12_answer":"field_propa_block_quiz_answer","questions_13_image":"4922","_questions_13_image":"field_propa_block_quiz_image","questions_13_question":"Which cupboard fit Baxi boiler range includes an Adey Filter?","_questions_13_question":"field_propa_block_quiz_question","questions_13_choices_0_choice":"Baxi 200","_questions_13_choices_0_choice":"field_propa_block_quiz_question_choice","questions_13_choices_1_choice":"Baxi 400","_questions_13_choices_1_choice":"field_propa_block_quiz_question_choice","questions_13_choices_2_choice":"Baxi 600","_questions_13_choices_2_choice":"field_propa_block_quiz_question_choice","questions_13_choices_3_choice":"Baxi 800","_questions_13_choices_3_choice":"field_propa_block_quiz_question_choice","questions_13_choices":4,"_questions_13_choices":"field_propa_block_quiz_choices","questions_13_answer":"Baxi 800","_questions_13_answer":"field_propa_block_quiz_answer","questions":14,"_questions":"field_propa_block_quiz_questions"}

{"questions_0_image":4894,"_questions_0_image":"field_propa_block_quiz_image","questions_0_question":"A good customer care policy will include details on...","_questions_0_question":"field_propa_block_quiz_question","questions_0_choices_0_choice":"The companys current trading status","_questions_0_choices_0_choice":"field_propa_block_quiz_question_choice","questions_0_choices_1_choice":"Customer complaint procedures","_questions_0_choices_1_choice":"field_propa_block_quiz_question_choice","questions_0_choices_2_choice":"Staff holiday arrangements","_questions_0_choices_2_choice":"field_propa_block_quiz_question_choice","questions_0_choices_3_choice":"Employment terms and conditions of staff","_questions_0_choices_3_choice":"field_propa_block_quiz_question_choice","questions_0_choices":4,"_questions_0_choices":"field_propa_block_quiz_choices","questions_0_answer":"Customer complaint procedures","_questions_0_answer":"field_propa_block_quiz_answer","questions_1_image":4895,"_questions_1_image":"field_propa_block_quiz_image","questions_1_question":"If a plumber cannot attend a site, appropriate action is to contact the customer and...","_questions_1_question":"field_propa_block_quiz_question","questions_1_choices_0_choice":"Apologise and confirm a new time with the customer","_questions_1_choices_0_choice":"field_propa_block_quiz_question_choice","questions_1_choices_1_choice":"Cancel the job","_questions_1_choices_1_choice":"field_propa_block_quiz_question_choice","questions_1_choices_2_choice":"Invoice for the days wasted work","_questions_1_choices_2_choice":"field_propa_block_quiz_question_choice","questions_1_choices_3_choice":"Try and explain to the customer but be ready to argue if they become irate","_questions_1_choices_3_choice":"field_propa_block_quiz_question_choice","questions_1_choices":4,"_questions_1_choices":"field_propa_block_quiz_choices","questions_1_answer":"Apologise and confirm a new time with the customer","_questions_1_answer":"field_propa_block_quiz_answer","questions_2_image":4896,"_questions_2_image":"field_propa_block_quiz_image","questions_2_question":"The best way to try and ensure the greatest customer care possible is to...","_questions_2_question":"field_propa_block_quiz_question","questions_2_choices_0_choice":"Take on as much work as you can to maximise revenue","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"Respond to information requests promptly","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"Ensure you drink a lot of coffee","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"Ensure staff do work as quickly as possible","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"Respond to information requests promptly","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":4897,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"Which of these, upon request, may be provided to the customer?","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"Details of the range of work being carried out","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"The profit margin the company applies","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"The current price of plumbing components","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"The hourly pay of plumbing staff","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"Details of the range of work being carried out","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":4898,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"A customer satisfaction sheet is aimed at","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"Checking that good customer care has been provided to the customer","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"Checking to establish that the work complies with Building regulations","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"Ensuring payment is made to the customer","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"Dealing with customer complaints as they arise","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"Checking that good customer care has been provided to the customer","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":4899,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"The most effective way of ensuring a company's customer service policy is applied by all staff is to...","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"Only provide a copy to customers","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"Train the staff in customer care principles and the policy requirements","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"Fire all staff who break any requirements of the policy","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"Offer a bonus to all who read it","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"Train the staff in customer care principles and the policy requirements","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":4900,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"To ensure companies investigate customer complaints in a consistent manner they can...","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"Provide training in personal protection","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"Use a complaints procedure","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"Ignore them wherever possible","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"Forward all complaints to the plumber for action","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"Use a complaints procedure","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":4901,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"The preferred method of protecting a customer's carpet when servicing a boiler is to...","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"Carry on like normal, no protection is required","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"Sheet the immediate area with dust sheets","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"Protect the whole room and furniture with dust sheets","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"Lift the carpet prior to beginning","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"Sheet the immediate area with dust sheets","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":4902,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"A new shower pump not performing to specification should be...","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"Left for the customer to deal with","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"Reported to the water undertaker","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices_2_choice":"Reported to the manufacturer for action","_questions_8_choices_2_choice":"field_propa_block_quiz_question_choice","questions_8_choices_3_choice":"Replaced with a different model from a different manufacturer","_questions_8_choices_3_choice":"field_propa_block_quiz_question_choice","questions_8_choices":4,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"Reported to the manufacturer for action","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":4903,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"The customer would most likely respond positively to the removal of waste materials from site if...","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"They are left to deal with it themselves in their own time","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"The materials are burnt on site","_questions_9_choices_1_choice":"field_propa_block_quiz_question_choice","questions_9_choices_2_choice":"They are left for the bin collection service to remove them","_questions_9_choices_2_choice":"field_propa_block_quiz_question_choice","questions_9_choices_3_choice":"They are taken from site and disposed of by the plumber","_questions_9_choices_3_choice":"field_propa_block_quiz_question_choice","questions_9_choices":4,"_questions_9_choices":"field_propa_block_quiz_choices","questions_9_answer":"They are taken from site and disposed of by the 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{"questions_0_image":5087,"_questions_0_image":"field_propa_block_quiz_image","questions_0_question":"Plastic plumbing is suitable for...","_questions_0_question":"field_propa_block_quiz_question","questions_0_choices_0_choice":"Just hot and cold water","_questions_0_choices_0_choice":"field_propa_block_quiz_question_choice","questions_0_choices_1_choice":"Just heating","_questions_0_choices_1_choice":"field_propa_block_quiz_question_choice","questions_0_choices_2_choice":"Hot and cold water AND heating applications","_questions_0_choices_2_choice":"field_propa_block_quiz_question_choice","questions_0_choices":3,"_questions_0_choices":"field_propa_block_quiz_choices","questions_0_answer":"Hot and cold water AND heating applications","_questions_0_answer":"field_propa_block_quiz_answer","questions_1_image":5088,"_questions_1_image":"field_propa_block_quiz_image","questions_1_question":"Plastic pipe requires a pipe stiffener before making the joint...","_questions_1_question":"field_propa_block_quiz_question","questions_1_choices_0_choice":"Yes","_questions_1_choices_0_choice":"field_propa_block_quiz_question_choice","questions_1_choices_1_choice":"No","_questions_1_choices_1_choice":"field_propa_block_quiz_question_choice","questions_1_choices_2_choice":"Sometimes","_questions_1_choices_2_choice":"field_propa_block_quiz_question_choice","questions_1_choices_3_choice":"Only on heating","_questions_1_choices_3_choice":"field_propa_block_quiz_question_choice","questions_1_choices":4,"_questions_1_choices":"field_propa_block_quiz_choices","questions_1_answer":"Yes","_questions_1_answer":"field_propa_block_quiz_answer","questions_2_image":5089,"_questions_2_image":"field_propa_block_quiz_image","questions_2_question":"Copper tube can be jointed to push-fit fittings. 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{"questions_0_image":5076,"_questions_0_image":"field_propa_block_quiz_image","questions_0_question":"What is part of the makeup of a UFH manifold?","_questions_0_question":"field_propa_block_quiz_question","questions_0_choices_0_choice":"A circulation pump","_questions_0_choices_0_choice":"field_propa_block_quiz_question_choice","questions_0_choices_1_choice":"A heat exchanger","_questions_0_choices_1_choice":"field_propa_block_quiz_question_choice","questions_0_choices":2,"_questions_0_choices":"field_propa_block_quiz_choices","questions_0_answer":"A circulation pump","_questions_0_answer":"field_propa_block_quiz_answer","questions_1_image":5077,"_questions_1_image":"field_propa_block_quiz_image","questions_1_question":"TRUE OR FALSE: UFH can be zoned so you can turn it on\/off in different rooms as you 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macerator?","_questions_10_question":"field_propa_block_quiz_question","questions_10_choices_0_choice":"A","_questions_10_choices_0_choice":"field_propa_block_quiz_question_choice","questions_10_choices_1_choice":"B","_questions_10_choices_1_choice":"field_propa_block_quiz_question_choice","questions_10_choices":2,"_questions_10_choices":"field_propa_block_quiz_choices","questions_10_answer":"B","_questions_10_answer":"field_propa_block_quiz_answer","questions_11_image":5152,"_questions_11_image":"field_propa_block_quiz_image","questions_11_question":"The most effective way to identify a fault on a mascerator prior to detailed investigation is?","_questions_11_question":"field_propa_block_quiz_question","questions_11_choices_0_choice":"Look in the appliance service record","_questions_11_choices_0_choice":"field_propa_block_quiz_question_choice","questions_11_choices_1_choice":"Visually inspect the unit","_questions_11_choices_1_choice":"field_propa_block_quiz_question_choice","questions_11_choices_2_choice":"Phone the manufacturer","_questions_11_choices_2_choice":"field_propa_block_quiz_question_choice","questions_11_choices_3_choice":"Ask the customer","_questions_11_choices_3_choice":"field_propa_block_quiz_question_choice","questions_11_choices":4,"_questions_11_choices":"field_propa_block_quiz_choices","questions_11_answer":"Ask the customer","_questions_11_answer":"field_propa_block_quiz_answer","questions":12,"_questions":"field_propa_block_quiz_questions"}

12 Questions

Saniflo

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circuit","_questions_2_choices_0_choice":"field_propa_block_quiz_question_choice","questions_2_choices_1_choice":"Downstairs radiator circuit","_questions_2_choices_1_choice":"field_propa_block_quiz_question_choice","questions_2_choices_2_choice":"Upstairs radiator circuit","_questions_2_choices_2_choice":"field_propa_block_quiz_question_choice","questions_2_choices_3_choice":"Index radiator circuit","_questions_2_choices_3_choice":"field_propa_block_quiz_question_choice","questions_2_choices":4,"_questions_2_choices":"field_propa_block_quiz_choices","questions_2_answer":"Index radiator circuit","_questions_2_answer":"field_propa_block_quiz_answer","questions_3_image":5133,"_questions_3_image":"field_propa_block_quiz_image","questions_3_question":"When would a Low loss header be installed?","_questions_3_question":"field_propa_block_quiz_question","questions_3_choices_0_choice":"To prevent thermal shock within the heat source","_questions_3_choices_0_choice":"field_propa_block_quiz_question_choice","questions_3_choices_1_choice":"To prevent thermal shock within the heat emmitters","_questions_3_choices_1_choice":"field_propa_block_quiz_question_choice","questions_3_choices_2_choice":"To allow for expansion in the pipework","_questions_3_choices_2_choice":"field_propa_block_quiz_question_choice","questions_3_choices_3_choice":"To provide higher operating temperatures","_questions_3_choices_3_choice":"field_propa_block_quiz_question_choice","questions_3_choices":4,"_questions_3_choices":"field_propa_block_quiz_choices","questions_3_answer":"To prevent thermal shock within the heat source","_questions_3_answer":"field_propa_block_quiz_answer","questions_4_image":5134,"_questions_4_image":"field_propa_block_quiz_image","questions_4_question":"A heating system should be divided into two zones when the floor area exceeds _m2?","_questions_4_question":"field_propa_block_quiz_question","questions_4_choices_0_choice":"150","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"140","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"125","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"100","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"150","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":5135,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"Where should the sensor for an optimiser be fitted?","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"Next to the boiler","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"On the south-facing outside wall","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"On the north-facing outside wall","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"Within 3 metres of the wiring centre","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"On the north-facing outside wall","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":5136,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"A condensing boiler with a heat output of 35kw requires _ of copper flow & return pipes?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"22m diameter","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"28mm diameter","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"35mm diameter","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"42mm diameter","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"28mm diameter","_questions_6_answer":"field_propa_block_quiz_answer","questions_7_image":5137,"_questions_7_image":"field_propa_block_quiz_image","questions_7_question":"What temperature should the floor temperature not exceed on an underfloor heating installation?","_questions_7_question":"field_propa_block_quiz_question","questions_7_choices_0_choice":"29\u00b0C","_questions_7_choices_0_choice":"field_propa_block_quiz_question_choice","questions_7_choices_1_choice":"35\u00b0C","_questions_7_choices_1_choice":"field_propa_block_quiz_question_choice","questions_7_choices_2_choice":"55\u00b0C","_questions_7_choices_2_choice":"field_propa_block_quiz_question_choice","questions_7_choices_3_choice":"70\u00b0C","_questions_7_choices_3_choice":"field_propa_block_quiz_question_choice","questions_7_choices":4,"_questions_7_choices":"field_propa_block_quiz_choices","questions_7_answer":"29\u00b0C","_questions_7_answer":"field_propa_block_quiz_answer","questions_8_image":5138,"_questions_8_image":"field_propa_block_quiz_image","questions_8_question":"DER stands for _ CO2 Emission 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most commonly occurs in chlorinated tap water","_questions_4_choices_0_choice":"field_propa_block_quiz_question_choice","questions_4_choices_1_choice":"It's a form of selective corrosion","_questions_4_choices_1_choice":"field_propa_block_quiz_question_choice","questions_4_choices_2_choice":"It can turn yellow brass into a shade of red","_questions_4_choices_2_choice":"field_propa_block_quiz_question_choice","questions_4_choices_3_choice":"It does not cause metals to rust","_questions_4_choices_3_choice":"field_propa_block_quiz_question_choice","questions_4_choices":4,"_questions_4_choices":"field_propa_block_quiz_choices","questions_4_answer":"It does not cause metals to rust","_questions_4_answer":"field_propa_block_quiz_answer","questions_5_image":4931,"_questions_5_image":"field_propa_block_quiz_image","questions_5_question":"What occurs when two dissimilar metals are in contact with each other through the presence of an electrolyte?","_questions_5_question":"field_propa_block_quiz_question","questions_5_choices_0_choice":"Electrolysis","_questions_5_choices_0_choice":"field_propa_block_quiz_question_choice","questions_5_choices_1_choice":"Galvanic corrosion","_questions_5_choices_1_choice":"field_propa_block_quiz_question_choice","questions_5_choices_2_choice":"Erosion corrosion","_questions_5_choices_2_choice":"field_propa_block_quiz_question_choice","questions_5_choices_3_choice":"Pitting corrosion","_questions_5_choices_3_choice":"field_propa_block_quiz_question_choice","questions_5_choices":4,"_questions_5_choices":"field_propa_block_quiz_choices","questions_5_answer":"Galvanic corrosion","_questions_5_answer":"field_propa_block_quiz_answer","questions_6_image":4932,"_questions_6_image":"field_propa_block_quiz_image","questions_6_question":"Which 3 conditions must be true for galvanic corrosion to occur?","_questions_6_question":"field_propa_block_quiz_question","questions_6_choices_0_choice":"Electromagnetically opposed metals must be present","_questions_6_choices_0_choice":"field_propa_block_quiz_question_choice","questions_6_choices_1_choice":"The metals must be extremely close together in the electromotive series","_questions_6_choices_1_choice":"field_propa_block_quiz_question_choice","questions_6_choices_2_choice":"The metals must be in electrical contact","_questions_6_choices_2_choice":"field_propa_block_quiz_question_choice","questions_6_choices_3_choice":"The metals must be exposed to an electrolyte","_questions_6_choices_3_choice":"field_propa_block_quiz_question_choice","questions_6_choices":4,"_questions_6_choices":"field_propa_block_quiz_choices","questions_6_answer":"The metals must be exposed to an 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is the most damaging forms of erosion in plumbing","_questions_8_question":"field_propa_block_quiz_question","questions_8_choices_0_choice":"True","_questions_8_choices_0_choice":"field_propa_block_quiz_question_choice","questions_8_choices_1_choice":"False","_questions_8_choices_1_choice":"field_propa_block_quiz_question_choice","questions_8_choices":2,"_questions_8_choices":"field_propa_block_quiz_choices","questions_8_answer":"True","_questions_8_answer":"field_propa_block_quiz_answer","questions_9_image":4935,"_questions_9_image":"field_propa_block_quiz_image","questions_9_question":"What methods can be used to prevent corrosion?","_questions_9_question":"field_propa_block_quiz_question","questions_9_choices_0_choice":"Galvanisation- coating metal with a thin layer of zinc","_questions_9_choices_0_choice":"field_propa_block_quiz_question_choice","questions_9_choices_1_choice":"Greasing and oiling 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