1984912
Description
Quiz by gaby khalil, updated more than 1 year ago
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Created by gaby khalil
almost 10 years ago
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Question 1
Question
What heating system is no longer approved by the Building Regulations?
Answer
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Frost stat
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Two-pipe fully pump system
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fully pump One-pipe system
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Gravity system
Question 2
Answer
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The hot water and heating circuits are both operated by the pump.
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Only the hot water circuit is operated by the pump.
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Only the heating circuit is operated by the pump.
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Only the hot water is operated by gravity circulation.
Question 3
Question
What is an advantage of a one-pipe system?
Answer
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It takes a long time to install.
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Higher temperatures are achieved.
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It is quicker and cheaper to install
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It is a naturally-balanced system.
Question 4
Question
What does a semi-gravity system with a two-port valve provide?
Answer
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Adjustable flow rate
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Easily balanced system
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Automatic air venting
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Independent temperature control of hot water and heating
Question 5
Question
How is the balancing of a system achieved?
Answer
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By adjusting the pump
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By adjusting the boiler temperature
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By adjusting lock-shield valves
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By adjusting by-pass valves
Question 6
Question
What does a two position three-port valve give priority to?
Answer
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Domestic hot water circuit
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The heating circuit
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The TRVs
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Fully pumped system
Question 7
Question
What is the mid-position three-port valve not suitable for?
Answer
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Dwellings with floor areas greater than 150m2
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Dwellings with floor areas less than 150m2
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Dwellings with floor areas greater than 200m2
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Dwellings with floor areas less than 20m2
Question 8
Question
What is a programmable room thermostat?
Answer
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A combined time switch and room thermostat
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A frost and room thermostat combined
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A boiler and room thermostat combined
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All of the above
Question 9
Question
What is the maximum flow rate for a domestic heating pump?
Answer
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2 l/s
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3 l/s
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4 l/s
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1.5 l/s
Question 10
Question
What is the purpose of an air separator?
Answer
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To remove dirt from the system
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To remove turbulence from the system
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To remove air from the system
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To separate the oxygen from the hydrogen
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