AC Motor speed depends on which of the following: (Multiple Answer Question)

Solenoid valves are usable with all refrigerants except ammonia

In a purely inductive circuit, voltage waveform _______ current waveform

Capacitors may be used in both AC and DC circuits

If the surrounding air is hotter than the skin temperature, the body _____ heat

A hygrometer is a device that measures the relative humidity by use of:

An electronic air cleaner removes particles as small as _______ micron

______ is the transfer of heat by the movement of molecules from one point to the another

When the evaporation pressure rises, the compression ratio of the compressor:

Variation in temperature or pressure of which of the following will have a prominent effect on the efficiency of the refrigeration cycle:

The liquid refrigerant is completely vaporized just before the end of _______:

1k.Cal = _____ BTU

The evaporator size and temperature are selected on the basis of the _______ to be handled by the plant:

As the temperature of the air increases, the amount of water vapor needed for saturation _______

The pressure exerts by the dry air and water vapor in a given quantity of air is same:

_______ of boiler prevent steam bubbles from breaking through the surface of the water: