INTRO TO HEATING
INTRO TO HEATING 2
GAS HEATING
CONTROL CIRCUITS
CONTROL CIRCUITS 2
100

CARBON MONOXIDE

What is a product of incomplete combustion

100
FLAME WILL LIFT OFF THE BURNER
What is to much primary air
100
10 MV
What is the minimum reading on a loaded thermocouple
100
DROOP
What is a condition that causes bimetal thermostats to become inaccurate
100
A READING OF 3.2 OHMS IS
What is good
200
GRADE 2
What is the most common fuel for residential oil furnaces
200
MANOMETER
What is a device used to check gas manifold pressure
200
A PILOTLESS SYSTEM
What uses a spark or HSI for ignition
200
CLOSES ON A TEMPERATURE FALL
What is a heating thermostat
200
COOLING COMPENSATOR
What is a device that causes a cooling thermostat to close before it reaches setpoint
300
FUEL, IGNITION, OXYGEN
What are the three thing needed for combustion to occur.
300
GRADE 1
What is used in vaporizing oil burner (Kerosene)
300
NEED NO VENT PIPE
What is a rooftop or packaged unit
300
DEADBAND
What separates the heating and cooling setpoints on a automatic changeover thermostats
300
MORE THEN 1000 OHMS PER VOLT
What is a good reading when testing for a grounded motor
400
FLAME WILL TURN YELLOW
What is lack of primary air
400
CONVERTS HEAT INTO A ELECTRICAL CURRENT
What is thermocouple
400
FREE POINTS
What is free points
400
CONTROLS CRANKCASE HEATERS, DEFROST ON HEAT PUMPS, AND TURN OFF EQUIPMENT BELOW CERTAIN TEMPS
What is a outdoor thermostat
400
COMPRESSOR LOCKOUT
What prevents the compressor from operating until the system is MANUALLY reset
500
30 to 60 degrees
What is the best spray angle for square or round chambers
500
TWO STAGE PUMP
What is used for installations where the oil tank is below the level of the burner
500
ELECTRIC-ELECTRIC UNIT
What is a cooling unit with electric resistance heaters
500
REVERSE-ACTING PNEUMATIC THERMOSTAT
What is a decreases in air temp causes a increase in pressure
500
USES A SOLENOID TO CONTROL A PNEUMATIC VALVE
What is a electric-pneumatic relay
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