Gas Furnace System Quiz Part II

When is the pilot light lit in an intermittent pilot automatic gas valve system?

• When there is a call for heat

• When the system is turned off

• When the gas supply is low

• When the temperature is high

What happens to the pilot light when the call for heat ends in an intermittent pilot automatic gas valve system?

• The pilot light stays lit

• The pilot light goes out

• The pilot light blinks

• The pilot light changes color

Which of the following should not be used in an intermittent pilot automatic gas valve system?

• Power units

• Thermocouples

• Both A and B

• Solenoid operated valves

What type of valve opens to permit the passage of pilot gas in an intermittent pilot automatic gas valve system?

• Servo operated valve

• Manual valve

• Solenoid operated valve

• Pressure relief valve

What type of valve opens to permit the passage of gas for main burner operation in an intermittent pilot automatic gas valve system?

• Solenoid operated valve

• Servo operated valve

• Manual valve

• Pressure relief valve

Which of the following igniters are most commonly used in direct ignition automatic gas valves?

• Spark igniter and hot surface igniter

• Flame igniter and cold surface igniter

• Power unit igniter and reset button igniter

• Pilot flame igniter and spark igniter

What is not required for the electronic module or IFC to light the main burner directly?

• Pilot flame

• Spark igniter

• Hot surface igniter

• Automatic valve

How many automatic valves are energized on a call for heat in a direct ignition automatic gas valve system?

• One

• Two

• Three

• Four

What type of opening is used when two automatic gas valves are used?

• Fast-opening

• Slow-opening

• Medium-opening

• Instant-opening

What is the function of the manifold in fuel delivery components?

• It allows the correct amount of gas into the burner.

• It is a pipe through which gas flows to burners.

• It is a precisely sized hole in the spud.

• It requires primary/secondary air in correct quantities.