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ISRO
ISRO Technician-B
MRAC
ISRO Technician-B MRAC 2017
13

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

13) Total heat of a substance is also known as

entropy

internal energy

enthalpy

thermal capacity

Answer is:

enthalpy

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

14) One ton of refrigeration is equal to the refrigeration effect corresponding to melting of one ton of ice

in 12 hours

in 1 hour

in 24 hours

in 1 minutes

Answer is:

in 24 hours

15) In a flooded evaporator _____ type of expansion device is employed.

Self-actuated expansion valve

Capillary tube

Thermostatic device

Float valve

Answer is:

Float valve

16) The higher temperature in vapour compression cycle occurs at

expansion valve

compressor discharge

condenser discharge

receiver

Answer is:

compressor discharge

17) If T1 and T2 be the highest and lowest absolute temperatures encountered in a heat pump operating on a reversed Carnot cycle, then its COP is equal to

(T1-T2)/T1

(T1-T2)/T2

T2/(T1-T2)

T1/(T1-T2)

Answer is:

T1/(T1-T2)

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

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