Which is the most suitable for the concentration of foamy & frothy liquors?

Heat Transfer
Which is the most suitable for the concentration of foamy & frothy liquors?

None of these

Open pan evaporator

Agitated film evaporator

Long tube vertical evaporator

None of these

Open pan evaporator

Agitated film evaporator

Long tube vertical evaporator

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

All of these

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

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

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

All of these

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

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

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

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Heat Transfer
Multiple effect evaporation accounts for

None of these

Investment economy

Lower operating costs

Steam economy

None of these

Investment economy

Lower operating costs

Steam economy

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Heat Transfer
Fourier's law of heat conduction applies to __________ surfaces.

Isothermal

Non-isothermal

Both A and B

Neither A and B

Isothermal

Non-isothermal

Both A and B

Neither A and B

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Heat Transfer
Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for

Cylinder

Cube

Sphere

Equal for all the three

Cylinder

Cube

Sphere

Equal for all the three

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Heat Transfer
The most conducive surface for dropwise condensation to occur is the __________ surface.

Oily

Glazed & polished

Smooth

Coated

Oily

Glazed & polished

Smooth

Coated

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Heat Transfer

Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors?

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

Heat Transfer Multiple effect evaporation accounts for

Heat Transfer Fourier's law of heat conduction applies to __________ surfaces.

Heat Transfer The most conducive surface for dropwise condensation to occur is the __________ surface.

Heat Transfer
Which is the most suitable for the concentration of foamy & frothy liquors?

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

Heat Transfer
Multiple effect evaporation accounts for

Heat Transfer
Fourier's law of heat conduction applies to __________ surfaces.

Heat Transfer
The most conducive surface for dropwise condensation to occur is the __________ surface.