In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will

Heat Transfer
In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will

Increase

Decrease

Either increase or decrease; depends on the coolant flow rate

Remain unchanged

Increase

Decrease

Either increase or decrease; depends on the coolant flow rate

Remain unchanged

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Heat Transfer
It is not preferable to use superheated steam in evaporators, because of its very

high temperature

low film co-efficient

high pressure

none of the listed here

high temperature

low film co-efficient

high pressure

none of the listed here

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Heat Transfer
Radiator of an automobile engine is a __________ type of heat exchanger.

Counter-current

Cross-current

Co-current

Direct contact

Counter-current

Cross-current

Co-current

Direct contact

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Heat Transfer
LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is

<1

Zero

>1

1

<1

Zero

>1

1

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Heat Transfer
The critical radius 'r' of insulation on a pipe is given by

r = k/2h

r = 2k/h

r = h/k

r = k/h

r = k/2h

r = 2k/h

r = h/k

r = k/h

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Heat Transfer
A graph between __________ is called Wilson plot.

1/v0.8 Vs . U

1/U Vs . 1/v0.8

1/U Vs . 1/V

V0.8 Vs . U

1/v0.8 Vs . U

1/U Vs . 1/v0.8

1/U Vs . 1/V

V0.8 Vs . U

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Heat Transfer

Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will

Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very

Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger.

Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is

Heat Transfer The critical radius 'r' of insulation on a pipe is given by

Heat Transfer A graph between __________ is called Wilson plot.

Heat Transfer
In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will

Heat Transfer
It is not preferable to use superheated steam in evaporators, because of its very

Heat Transfer
Radiator of an automobile engine is a __________ type of heat exchanger.

Heat Transfer
LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is

Heat Transfer
The critical radius 'r' of insulation on a pipe is given by

Heat Transfer
A graph between __________ is called Wilson plot.