Phase4mod10,burner pressure.

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

• 650kw.

• 23.21kw

• 18.2kw

• 2.32kw.

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

• Turned off.

• Turned on low rate.

• Turned on full rate.

• It may be either on or off.

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

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

• 17.25kw

• 26.25kw

• 28.25kw

• 29.25kw.

Range rated appliances must incorporate what component within their design?

• A Fan pressure sensor.

• A constant pressure governor.

• A air sensing device.

• A re-ignition device.

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

• A partial blockage in the supply.

• An incorrectly adjusted meter governor.

• Inadequate pipe sizing.

• Damaged pipework