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How many 1.5 volts cells should be connected in series to form a 9 volt battery?
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A fuse in the electrical circuit protects the circuit from ……………..
The amount of heat in the air that can be measured by thermometer is called as ……..
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Which of the following is produced around the conductor if an electric current passes through it?
A primary cell is a device which converts …………………
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An ohm meter cannot simple connected to …………….
What is the general cooling estimation usually given for a person?
1 boiler horsepower = ______ Btuh
In parallel circuit the current flow will be same.
Which of the following parameters determines the ventilation requirements of a given structure or space?
Most air conditioning equipment uses ……………… type of cooling methods in houses and small scale commercial buildings.
The Fahrenheit scale divides into ______ the temperature range from the freezing point of water to its boiling point
Which of the following is compressed in air conditioning equipment?
Which of the following batteries action provides electricity?
To protect an electrical circuit a fuse should be placed in ………………….
Most air conditioning equipment uses ……………… type of cooling methods in houses and small scale commercial buildings.
What should be air velocity in the air ducts to minimize the effect of frictional losses?
Heat always flows
The battery cells connected in series produces …………..
If smallest resistance and higher resistance resistors are connected in parallel, what will be its equivalent resistance?
A DC meter can be used to measure AC by inserting a ………………….. in series with meter movement?
What is the general cooling estimation usually given for a person?
In parallel resistive network the voltage applied is equal to sum of voltages across the each individual resistor?
What is the function of return duct in air conditioning system?
Which of the following current does a battery produces?
The heat which changes the temperature of substance is …………………..
The rate of heat consumption (BTU/hr ) has the unit of _____:
Heat transfer will occur when temperature difference exist within the same medium:
