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Heat Transfer

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

None of these
Condensate
Steam
Non-condensables

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

Laminar
Counter-current
Turbulent
Co-current

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Heat Transfer
In case of a vertical tube evaporator, with increase in the liquor level, the

True temperature drop increases
Both B and C
Capacity of the evaporator is decreased
Capacity of the evaporator is increased

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Heat Transfer
Economy of a multiple effect evaporator is not influenced much by the

rate of heat transfer
ratio of the weight of the thin liquor to thick liquor
boiling point elevations
temperature of the feed

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Heat Transfer
The purpose of providing a 'catchall' in the vapor line of an evaporator is to

Regulate the vapor flow
Create vacuum
Vent the non-condensible gases
Arrest the entrained liquid

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Heat Transfer
All analogy equations connecting friction factor and heat transfer co-efficient apply only to

Both A and B
Turbulent flow
Wall or skin friction
Form friction

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MORE MCQ ON Heat Transfer

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