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ISRO Technician-B
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ISRO Technician-B MRAC 2017
68

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

68) Density of water is maximum at

0 degree celsius

4 degree Celsius

100 degree celsius

0 degree kelvin

Answer is:

4 degree Celsius

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

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Related ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

69) Barometer is used to measure

very low pressure

pressure in pipes, channels etc

atmospheric pressure

difference of pressure between two points

Answer is:

atmospheric pressure

Explanation:

Atmospheric pressure: The atmospheric air exerts a normal pressure upon all surfaces with which it is in contact and it is known as atmospheric pressure. Atmospheric pressure is also known as barometric pressure. Barometer is used to measure atmospheric pressure.

Barometer is used to measure

70) Absolute humidity is the mass of water vapour present in

1 kg of dry air

1 cubic meter of dry air

1 kg of wet air

1 cubic meter of wet air

Answer is:

1 cubic meter of dry air

71) In a cooling tower, the dissipation of heat is mainly due to

Evaporation

Conduction

Convection

Radiation

Answer is:

Evaporation

72) Cooling water at the inlet of condenser of a refrigeration plant enters at 20 degree celsius and leaves at 25 degree celsius. The refrigerant would be condensing at about

30 degree Celsius

20 degree celsius

15 degree celsius

25 degree celsius

Answer is:

30 degree Celsius

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

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