The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.

Heat Transfer
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.

Greater than

Is same as

Lower than

Half

Greater than

Is same as

Lower than

Half

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Heat Transfer
In forced convection, the heat transfer depends on

none of the listed here

mainly Gr

Re, Pr

Re, Gr

none of the listed here

mainly Gr

Re, Pr

Re, Gr

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Heat Transfer
Circulation pump is located below the evaporater to

Avoid cavitation

Avoid frequent priming

None of these

Create more suction head

Avoid cavitation

Avoid frequent priming

None of these

Create more suction head

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Heat Transfer
Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer.

Grashoff

Both A & B

Prandtl & Grashoff

Reynolds

Grashoff

Both A & B

Prandtl & Grashoff

Reynolds

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Heat Transfer
In a gas-liquid shell and tube heat exchanger, the

Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes

All of these

Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature

Presence of a non-condensible gas decreases the condensing film co-efficient

Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes

All of these

Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature

Presence of a non-condensible gas decreases the condensing film co-efficient

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Heat Transfer
Reynold's analogy states that (where, St = Stanton number f = friction factor)

St = 4f

St = f/4

St = f/2

St = f1/2

St = 4f

St = f/4

St = f/2

St = f1/2

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Heat Transfer

Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.

Heat Transfer In forced convection, the heat transfer depends on

Heat Transfer Circulation pump is located below the evaporater to

Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer.

Heat Transfer In a gas-liquid shell and tube heat exchanger, the

Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor)

Heat Transfer
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.

Heat Transfer
In forced convection, the heat transfer depends on

Heat Transfer
Circulation pump is located below the evaporater to

Heat Transfer
Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer.

Heat Transfer
In a gas-liquid shell and tube heat exchanger, the

Heat Transfer
Reynold's analogy states that (where, St = Stanton number f = friction factor)