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Heat Transfer

Heat Transfer
Removal of __________ heat is involved in the condensation of a vapor under saturated conditions.

Both B & C
Super
Sensible
Latent

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Heat Transfer
Which of the following has the lowest Prandtl number?

Molten sodium (a coolant used in fast breeder reactor)
Dilute H₂SO₄
Water
Transformer oil

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Heat Transfer
When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.

transition
none of the listed here
film
pool

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Heat Transfer
Film condensation is promoted on a/an __________ surface.

oily
clean & smooth
dirty
coated

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Heat Transfer
Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer.

Reynolds
Biot
Grashoff
Stantan

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Heat Transfer
Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.

100 to 1000
1 to 100
0.5 to 50
10 to 100

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