________ opposes sudden changes in the current variation in the electrical circuit

Refrigerant Flash gas formation is due to lack of sub-cooling:

A diode conducts current in _____ direction(s):

Earth fault current during ground fault will be minimal in _____

BTU stands for ____

When the external static pressure ______, the delivered air volume will decreases:

A bimetallic sensing element commonly used _____

Higher power factor circuit draws ______ current compared to lower power factor circuit

A sling psychrometer is used to determine the relative humidity of the air:

When the wet bulb temperature reading is close to the dry bulb temperature reading from the same instrument, then ______

1 boiler horsepower = _______ Btuh

Shaded pole motors have _____ winding.

Heat transfer from hot objects to cold objects can take place in _____ number of ways

Thermisters can have _____ temperature coefficient

The temperature at which moisture in the air begins to condense is:

HEPA filters shall trap which of the following more effectively: