Which of the following is not used as a medium for high temperature heating ?

Heat Transfer
Which of the following is not used as a medium for high temperature heating ?

None of the listed here

liquid metal

dowtherm

mercury

None of the listed here

liquid metal

dowtherm

mercury

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Heat Transfer
For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator.

Vacuum

Backward feed

High pressure

None of these

Vacuum

Backward feed

High pressure

None of these

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Heat Transfer
In a single effect evaporator, the economy is

> 1

1

< 1

None of these

> 1

1

< 1

None of these

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

All of these

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

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

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

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

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Heat Transfer
Open pan evaporators are preferred to be used, when the solution to be concentrated is

Highly viscous

Corrosive

Salty

Scaling

Highly viscous

Corrosive

Salty

Scaling

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Heat Transfer
Steam traps are provided in steam carrying pipelines to

condense steam

none of the listed here

release excess steam pressure by bleeding steam.

remove condensate and inert gases

condense steam

none of the listed here

release excess steam pressure by bleeding steam.

remove condensate and inert gases

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Heat Transfer

Heat Transfer Which of the following is not used as a medium for high temperature heating ?

Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator.

Heat Transfer In a single effect evaporator, the economy is

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

Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is

Heat Transfer Steam traps are provided in steam carrying pipelines to

Heat Transfer
Which of the following is not used as a medium for high temperature heating ?

Heat Transfer
For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator.

Heat Transfer
In a single effect evaporator, the economy is

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

Heat Transfer
Open pan evaporators are preferred to be used, when the solution to be concentrated is

Heat Transfer
Steam traps are provided in steam carrying pipelines to