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Heat Transfer

Heat Transfer
Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second.

3 x l012
3 x l05
3 x l08
3 x l010

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Heat Transfer
An ejector is used to

None of these
Remove condensate
Increase temperature
Increase pressure

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Heat Transfer
Small scale evaporation is done in a

Heat exchanger
Condenser
Multiple effect evaporator
Steam jacketed kettle

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Heat Transfer
Heat exchanger tubes are never made of

Plain carbon steel
Copper
Lead
Stainless steel

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Heat Transfer
During crystallisation, formation of crystal can occur in __________ solution only.

Undersaturated
Saturated
All of these
Supersaturated

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Heat Transfer
(Cp . μ)/K is termed as the __________ number.

Stanton
Nusselt
Grashoff
Prandtl

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