The locked rotor currents is commonly _______ times higher than the normal running amperage:

Which of the following is used to improve the starting torque of the motor:

A 6-pole motor runs at _______ rpm

The total resistance of the circuit ______ if the loads are added in series:

1 gallon of water weights ________:

The purpose of an external equalizer is to compensate for the pressure drop through the evaporator:

Which of the following will cause high suction pressure:

Acetylene pressure should never exceed:

Ultrasonic leak detector senses a leak by which of the following method:

The ______ of air reached when the air contains all the moisture it can hold

_______ heat propagates through a transparent medium such as air without affecting the mediums temperature, pressure and volume

The ______connects the evaporator to the compressor

_____ controls the quantity of liquid refrigerant that enters the evaporator:

Hermetic scroll compressors are widely used in spit-residential AC systems up to about ________ capacity

In Psychrometric chart Y-axis indicates which of the following:

The fuel oil preparation for proper combustion is done by which of the following process:

Fire tube boilers are not prone to fouling: