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Heat Transfer

Heat Transfer
In forced convection, the Nusselt number is a function of

Re and Pr
Re and Gr
Pr and Gr
Re and Sc

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Heat Transfer
Trap is used to remove __________ from steam pipe lines.

Condensate
None of these
Steam
Non-condensables

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Heat Transfer
Steam traps are provided in steam carrying pipelines to

condense steam
release excess steam pressure by bleeding steam.
remove condensate and inert gases
none of the listed here

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Heat Transfer
Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator.

High pressure
Falling film
None of these
Long tube

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Heat Transfer
Correction is applied to LMTD for __________ flow.

Parallel
None of these
Counter
Cross

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Heat Transfer
Which of the following is concerned with both heat and mass transfer ?

Kutateladze number
Nusselt number
Lewis relationship
Froude number

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