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SSC JE ME 2017- Heat Transfer Rankers Quiz 3

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Question 1

The time constant of a thermocouple is __________.

Question 2

The ___________ is a dimensionless quantity used in Transient heat transfer calculations.

Question 3

Heat exchangers are used in
A) Condensers and boilers in steam plants
B) Radiators
C) Intercoolers and preheaters
D) Condensers and evaporators in refrigerators and air conditioners

Question 4

Inspite of large heat transfer coefficients in boiling liquids, fins are used advantageously when the entire surface is exposed to _______.

Question 5

The total emissivity power is defined as the total amount of radiation emitted by a black body per unit time per unit ............
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Mar 11ESE & GATE ME