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Heat Transfer

Heat Transfer
Fourier's law applies to the heat transfer by

radiation
convection
conduction
None of the listed here

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Heat Transfer
Kg of liquid evaporated per hour in an evaporator is defined as its

Economy
Steam load
None of these
Capacity

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Heat Transfer
Increasing the liquor level in the evaporator results in the

decreased capacity
decreased effect of hydrostatic head
increased true temperature drop
increase in liquor film co-efficient

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Heat Transfer
Radiation heat transfer rates does not depend upon the

distance between the heat source and the object receiving the heat
none of the listed here
surface area and temperature of the heat source
type of absorbing surface

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Heat Transfer
Vent pipes are provided in a condenser to

Facilitate easy cleaning of tubes
None of these
Purge the condenser
Remove non-condensable gases

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Heat Transfer
Thermal conductivities of most of the liquids __________ with rise in temperature.

Decreases
Remains unchanged
Increases
May increase or decrease; depends on the liquid

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