TOOLS
SAFETY
Heating/cooling
Electrical
Pipes
100

Which power tool is best used for cutting steel rod?

sawzall

100

if the gas furnace is not working and is locked out the circuit board, the best way to reset the IfC is to turn the 

system switch on and off

100

An Hvac system that depends on temperature below the ground surface as an operation factor is a/an

geothermal heat pump

100

The permanent storage device found inside a desktop laptop


hard drive

100

Using oxygen to purge copper tubing after brazing

could cause an explosion

200

The best tool to open and close the stem access valve or a refrigeration system is the ---- wrench

refrigeration wrench

200

Which of the organizations requires approved footwear on job sites

OSHA

200

Capacitators are rated in

volts and microfrads

200

A heat pump is powered by

electricity

200

What are the two gasses CSST(corrugated stainless steel tubing)connections can use

can be used with both natural and propane gas equipment

300

What tool is used to check gas pressure

manometer

300

If the gas furnace is not working and is locked out at the circuit board, the best way to reset the IFC is to turn the 

system switch off and back on

300

The refrigerant enters the condenser as a  

high pressure vapor

300

Scroll compressors are cooled by AC and 

suction vapor

300

The type of pipe commonly used for condensation drainage on central air conditioning systems is

PVC

400

A thermocouple produces------when heat is applied

DC voltage

400

A 14- gauge solid copper wire would require----amp circuit protection

15

400

incomplete combustion produces

carbon monoxide

400

In a 120V AC circuit, if the total circuit draws 5 amps the wattage is

600

400

Slips and drives are used in metal duct system to

hold and seal sections together

500

A psychrometer is used to measure

humidity

500

when putting out a fire involving oily rags, use a -----fire extinguisher

class B

500

For complete combustion in a boiler or furnace to occur -----should be present

oxygen, ignition, and fuel

500

A thermocouple produces------when heat is applied

DC voltage

500

What is the function of a Plenum:  

  One function of the plenum is to manage and equalize pressure for more even distribution.