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Heat Transfer

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

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

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

Supersaturated
Saturated
All of these
Undersaturated

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Heat Transfer
LMTD can't be used as such without a correction factor for the

Condensation of mixed vapour in a condenser
All of these
Baffled heat exchanger
Multipass heat exchanger

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Heat Transfer
Maximum heat transfer rate is obtained in __________ flow.

Transition region
Turbulent
Creeping
Laminar

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Heat Transfer
The equivalent diameter for pressure drop is __________ that for heat transfer

None of the listed here
smaller than
greater than
equal to

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Heat Transfer
The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness)

∝ t
∝ 1/t
Independent of 't'
∝ √t

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