An evaporative cooling method cools the indoor air by lowering its wet bulb temperature and by increasing its dry bulb temperature.

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The purpose of cleaning and filtering the air in air conditioning unit is to …………….
Battery cells connected in parallel produces ………….
The boiling point or boiling temperature of water can be changed by changing the pressure on the water:
The primary winding of a transformer has 1000 turns and secondary coil has 400 turns. What will be its secondary voltage if 480 volts is applied at primary?
What is the power flow in a circuit, if a 50 coulombs moved at a point in 20 seconds with an applied voltage of 8 Volts?
A halogen leak detector can detect refrigerant leaks as small as …………….ounce per year
Heat that is known to be added to or removed from a substance but no temperature change is recorded is called as ______:
Absolute-zero temperature is the base point for calculations of heat
The vaporization pressure of liquid ……………. as the pressure on the liquid increases.
Which of the following is used to measure high resistance of circuit?
Which of the following is the primary purpose of the compressor in refrigeration system?
In _______, the heat passes from one molecule to another without any noticeable movement of molecules
The saturation temperature of any given quantity of water vapor at atmospheric pressure is called as ………..
An application for a permit must be accompanied by how many sets of construction documents?
Which of the following meter is used to measure relative humidity?
Latent heat can be associated which of the following:
Which of the following is used to check insulation breakdown in motors and compressors?
The comfort chart that is published by ASHRAE is an empirically determined effective …………. Index.
Higher the temperature difference, _____ will be heat transfer rate:
An electric current seeks the path of ……………..

If there is no deflection in a voltmeter, which is used to measure voltage between two electrical contacts, it indicates ……………..

What is the air pressure at standard atmosphere?
If the resistance of the circuit is decreases keeping the voltage same, what happens to the current in the circuit?
The input side of the transformer is termed as ……………………….
What is the band of relative humidity (RH) that should be maintained as per ASHRAE standard?
When two fans are operating in series the CFM of the system is …………..
Which of the following battery cell can be recharged?
Under constant temperature the absolute pressure of a gas varies …………….. as its volume
Brake hose power on the fan motor varies as directly ………….. of the fan rpm ratio.
On the Fahrenheit scale, absolute zero is _____
In order to meet minimal standards of comfort ………………… must be reduced to an acceptable level
What should be the minimum SEER rating for a new air conditioning unit?
Which of the following meter is used to measure electrical pressure in the circuit?
Any temperatures on the absolute Celsius scale (Kelvin) can be found by adding _______ to the thermometer reading
Which of the following is the symbol of impedance?
If a voltmeter connected across two terminals indicates the maximum reading, what does it mean?
Which of the following instrument detects the bubbles in refrigerant liquid line?
If the resistance of the circuit is decreases keeping the voltage same, what happens to the current in the circuit?
Which of the following measuring equipment uses its own power source?