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ISRO Technician-B
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ISRO Technician-B MRAC 2017
42

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

42) Lithium bromide in vapour absorption refrigeration system is used as

refrigerant mixture

absorbent

cooling substance

auxiliary refrigerant

Answer is:

absorbent

Explanation:

Lithium bromide in vapour absorption refrigeration system is used as absorbent.

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

43) Air refrigerator cycle is used in

Domestic refrigeration

Commercial refrigeration

Gas liquification

All of the above

Answer is:

Gas liquification

44) In air conditioning of aero planes, using air as refrigerant, the cycle used is

Otto

Joule

Brayton

Carnot

Answer is:

Brayton

45) _____ cycle uses air as the refrigerant.

Stirling

Ericsson

Bell-Coleman

Carnot

Answer is:

Bell-Coleman

46) In refrigeration cycle, the heat is rejected by refrigerant at

Condenser

Evaporator

Compressor

Expansion valve

Answer is:

Condenser

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

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