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ISRO Technician-B
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ISRO Technician-B MRAC 2017
57

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

57) Which of the following is not a desirable property of good insulating material?

light weight

low initial cost

odourless

high heat conductivity

Answer is:

high heat conductivity

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

58) The process of addition of moisture to air at the constant dry bulb temperature is known as

sensible cooling

humidification

air conditioning

dehumidification

Answer is:

humidification

59) Ammonia is

Non-inflammable

Non-toxic

Toxic and non-inflammable

Highly toxic and inflammable

Answer is:

Highly toxic and inflammable

60) At 100% relative humidity, the temperatures - dry bulb, wet bulb, dew point and saturation are

different

two equal, two different

three equal, one different

equal

Answer is:

equal

61) A refrigerant with highest critical pressure is

Carbon-dioxide

Ammonia

Freon-11

Freon-22

Answer is:

Freon-22

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

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