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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
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