1984912
Descrição
Quiz por gaby khalil, atualizado more than 1 year ago
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Criado por gaby khalil
aproximadamente 9 anos atrás
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Questão 1
Questão
What heating system is no longer approved by the Building Regulations?
Responda
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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
Questão 2
Responda
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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.
Questão 3
Questão
What is an advantage of a one-pipe system?
Responda
-
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.
Questão 4
Questão
What does a semi-gravity system with a two-port valve provide?
Responda
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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
Questão 5
Questão
How is the balancing of a system achieved?
Responda
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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
Questão 6
Questão
What does a two position three-port valve give priority to?
Responda
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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
Questão 7
Questão
What is the mid-position three-port valve not suitable for?
Responda
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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
Questão 8
Questão
What is a programmable room thermostat?
Responda
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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
Questão 9
Questão
What is the maximum flow rate for a domestic heating pump?
Responda
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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
Questão 10
Questão
What is the purpose of an air separator?
Responda
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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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