Central heating question time

gaby khalil
Quiz by gaby khalil, updated more than 1 year ago
gaby khalil
Created by gaby khalil almost 7 years ago
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Description

Quiz on Central heating question time, created by gaby khalil on 02/08/2015.

Resource summary

Question 1

Question
What heating system is no longer approved by the Building Regulations?
Answer
  • Frost stat
  • Two-pipe fully pump system
  • fully pump One-pipe system
  • Gravity system

Question 2

Question
What is a fully pumped system?
Answer
  • The hot water and heating circuits are both operated by the pump.
  • Only the hot water circuit is operated by the pump.
  • Only the heating circuit is operated by the pump.
  • Only the hot water is operated by gravity circulation.

Question 3

Question
What is an advantage of a one-pipe system?
Answer
  • It takes a long time to install.
  • Higher temperatures are achieved.
  • It is quicker and cheaper to install
  • It is a naturally-balanced system.

Question 4

Question
What does a semi-gravity system with a two-port valve provide?
Answer
  • Adjustable flow rate
  • Easily balanced system
  • Automatic air venting
  • Independent temperature control of hot water and heating

Question 5

Question
How is the balancing of a system achieved?
Answer
  • By adjusting the pump
  • By adjusting the boiler temperature
  • By adjusting lock-shield valves
  • By adjusting by-pass valves

Question 6

Question
What does a two position three-port valve give priority to?
Answer
  • Domestic hot water circuit
  • The heating circuit
  • The TRVs
  • Fully pumped system

Question 7

Question
What is the mid-position three-port valve not suitable for?
Answer
  • Dwellings with floor areas greater than 150m2
  • Dwellings with floor areas less than 150m2
  • Dwellings with floor areas greater than 200m2
  • Dwellings with floor areas less than 20m2

Question 8

Question
What is a programmable room thermostat?
Answer
  • A combined time switch and room thermostat
  • A frost and room thermostat combined
  • A boiler and room thermostat combined
  • All of the above

Question 9

Question
What is the maximum flow rate for a domestic heating pump?
Answer
  • 2 l/s
  • 3 l/s
  • 4 l/s
  • 1.5 l/s

Question 10

Question
What is the purpose of an air separator?
Answer
  • To remove dirt from the system
  • To remove turbulence from the system
  • To remove air from the system
  • To separate the oxygen from the hydrogen
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