In a parallel circuit which of the following remains the same:

Head developed by the pump is directly proportional to the _______ of speed of the pump

Factors affecting the inductance of a coil are:

For cooling, the Seasonal Energy Efficiency Ratio (SEER) of an air source heat pump ranges from _____:

When two fans are operated in series the cfm is doubled:

_______ is also called feed forward control

_______ is the height of the column of warm air that causes the chimney action of the ventilator:

At absolute zero temperature, molecules in an object will:

In an electric transformer which of the following quantities are not transformed from primary to secondary windings: (Multiple Answer Question)

In a three phase system, each of the phases are separated by _______ electrical degrees with each other:

The process in which the oil is changed into tiny droplets for proper combustion is:

High Efficiency Particulate Air (HEPA) filters can able to filter the dust particles of the order:

An air change every _______ complete changes er hour is desirable for bathroom ventilation:

Most common material used for adsorption for gas phase filtration is:

Radiators adequate air spacing must cover at least _______ of the total surface of the unit:

In Non-Direct Vent installations, combustion air is taken from _____ and flue gases are discharged _____: