Plumbing
The primary purpose of a trap in a plumbing fixture
What is to act as a seal against sewer gas
The furnace part that is responsible for reducing the voltage in order to operate the thermostat
What is a Transformer
It is the general practice that this wire is the “hot wire”
What is Black
The voltage most electric ranges operate at
What is 220
When solvent welding plastic pipe, this must be applied to the pipe and/or fittings prior to solvent cement
What is Primer
The size of most bathroom sink drains is
What is 1-1/4”
A capacitor sized by
What are Microfarads and Voltage
GFCI stands for
What is Ground Fault Circuit Interrupter
A dishwasher motor runs in reverse
What is to drain the water
The standard height of an interior door
What is 80"
In plumbing terms, "O.D" means
What is Outside Diameter
Liquid refrigerant can cause this when it comes into contact with human skin
What is blisters and burns
An ohm meter measures this in a circuit.
What is Resistance
The cold control in a refrigerator controls
What is Temperature
The term 12/2 represents this when doing electrical work
What is Gauge of wire and number of wires
The primary purpose of a vertical stack on a plumbing drain line is
What is to vent sewer gas to the outside of the building
The two types of compressors commonly used in air conditioning systems
What are reciprocating and rotary compressors
The unit of measurement that describes electrical pressure is?
Voltage
To test a range element for proper operating condition, you need this type of meter
What is an Ohm Meter
The term B.T.U stands for
What is British Thermal Units
The name of a valve that allows free passage of water through a pipe in one direction, but prevents the reversal of water flow
What is a Check valve
On a compressor in a condensing unit, the terminals "C", "S", "R" stand for
What is Common, Start, Run
The two common types of electrical current?
What is Direct current and alternating current
The name of the instrument used to measure gas pressure?
What is a Manometer
The standard outlet, or manifold gas pressure for natural gas appliances
What is 3.5 inches water column