For either the positive or negative, half of the sine wave, the average value is ______times the maximum value:

______ are also rated in watts dissipated

A coulomb is _____ number of electrons

When the voltage given to charged capacitor is removed,capacitor discharges in the ______  to the supply voltage:

Transformer cannot be used in dc circuit as there will be no varying ______:

Which of the following device absorbs heat into the system:

The main function of ______ is to prevent liquid floodback to the compressor

A discharge line double riser is needed on refrigeration systems that use unloaded compressors:

When sizing the refrigerant piping lines, the most critical would be _______:

Pure Oxygen can be used for purging or pressurizing the refrigeration or air conditioning systems:

Both the monifold guage valves must be open during evacuation

Sight glass is located in the ______

For calculation of psia to psig _____ should be added to psia

A ______ is commonly used to decrease flash gas:

Flash gas is the instantaneous evaporation of liquid refrigerant as it enters the _______

Boiler efficiency is a function of which of the following parameters:

The greater the combustion of carbon in furnace, lower the efficiency of the combustion system:

In cooling towers, total heat transferred is the sum of which of the following: