Module 10.1 Knowledge Questions Flashcards

1
Q

Where upon a gas appliance will the gas installer find information regarding the correct burner pressure and input?

Answer…..

A

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2
Q

Range rated appliances must incorporate what component within their design:

a A fan pressure sensor.
b A constant pressure governor.
c A air sensing device.
d A re-ignition device.

A

b A constant pressure governor.

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3
Q

A likely cause of excessive working pressure at a gas fire or cooker is:

a A partially blockage in the supply.
b An incorrectly adjusted meter governor.
c Inadequate pipe sizing.
d Damaged pipework

A

b An incorrectly adjusted meter governor.

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4
Q

What is the input to a gas water heater it the test dial of a U6 meter takes 1 minute to complete one full revolution (take CV as 39MJ/m3)?

a 650kW.
b 23.kW.
c 18.2kW.
d 2.32kW.

A

c 18.2kW.

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5
Q

What is the rated input to a water heater if the initial reading on an E6 meter is 6848.421 and after 2 minutes with the heater running on full, is 6848.511?

(take CV as 39MJ/m3)

a 17.25kW.
b 26.25kW.
c 28.25kW.
d 29.25kW.

A

d 29.25

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6
Q

To measure the operating pressure of a gas appliance, the appliance must be:

a Turned off.
b Turned on low rate.
c Turned on full rate.
d lt may be either on or of.

A

c Turned on full rate.

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