Which of the is used to smooth out the variations in the power source current:

As the current flowing through the conductor halves, the copper loss will reduce to:

Rectifier is used to convert ac to dc current:

Capacitors can be used in both:

One complete cycle (hertz) of a sine wave is ________ degrees:

Heat load from occupants will cause an increase in which of the following:

Which of the following is the actual weight of water vapor per unit weight of dry air in the mixture.

A hygrometer is a device that measures the:

The dewpoint depends upon the amount of water vapor in the air

The horsepower delivered by a motor is a product of its:

The _______ thermometer indicates the total heat of the air being measured

Which of the motor has self starting feature:

A hygrometer is an instrument used to measure the ______ the air.

A Halide leak detector is not used with the systems containing halocarbon refrigerants:

Which of the following compressor is not a positive displacement compressor:

In which of the following boiler water is circulated through the boiler tubes:

Which of the compressors are prone to hunting or surging: