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Heat Transfer

Heat Transfer
1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is

520
500
200
400

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Heat Transfer
In a multiple effect evaporator, the effect of boiling point elevation is to

increase the economy
all of the listed here
reduce the economy
reduce the capacity

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

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

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

oily
clean & smooth
coated
dirty

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Heat Transfer
In a cooling tower, water becomes cool by

Vaporisation due to heat loss to air
Loosing sensible heat
Heat transfer to surroundings
Loosing latent heat

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Heat Transfer
An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a

heat exchanger
boiler
recuperator
regenerator

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