Nocti1
What day is the Written Nocti exam
What part of the furnace absorbs the heat?
What is the heat exchanger
Tubing cut with a cutting tool must be reamed in order to?
what is remove burrs created by the cutting process
a cfm of 2 1/2 ton air conditioning handler should be?
What is 1000 cfm
When replacing a run capacitor, use a capacitor with a value equal to or within___ or the original value
What is 10 percent
When checking manifold pressure on a gas furnace, use a?
what is a manometer
what component of the oil burner controls the operation of the burner?
What is Primary control?
personal fall equipment should be used at heights of?
What is 6 feet or over
When two capacitors having values of 15 MFD and 10 MFD are connected in parallel, the combined value is?
Insufficient primary air in a gas burner will cause?
Incomplete combustion resulting in a yellow or orange flame
a 50 pound recovery cylinder should contain no more than?
fire that results from an ordinary combustibles such as wood, paper, cloth is what class fire?
What is Class A
A worker should use ___ approved safety footwear on all job sites
What is OSHA
If a scale drawing is 1/4 inch per feet, what would a 3 inch line represent on the drawing
What is 12 feet
The control that shuts down a gas furnace or other gas heating device when the plenum temperature exceeds the design of the system is a
What is a high limit switch
an overcharge of refrigerant in a cooling or refrigeration system is caused by what?
What is high head pressure
hydronics is the science of
Heating with water?
incomplete combustion results from a lack of?
A 12-gauge solid copper wire would require how many amps from circuit breaker?
A device that takes high voltage to low voltage is a?
What is a transformer
When leak testing a system with nitrogen, the technician should use a?
What is a Pressure regulator
The nameplate of an electric strip heater is missing, its current draw equals 20 amps and 240 volts. The rating of the heater would be?
What is 4800 watts (4.8Kw)
what will shutoff in the defrost cycle of a heat pump unit?
What is the outdoor fan motor
The exhaust temperature of a condensing gas furnace?
What is 90 to 135 degrees fahrenheit
increase the speed of the blower by
Increasing the diameter of the motor pulley