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CHEMICAL ENGINEERING

__________ is the temperature at which a gas-vapor mixture becomes saturated, when cooled at constant total pressure out of contact with a liquid.

CHEMICAL ENGINEERING, Mass Transfer /
Question: __________ is the temperature at which a gas-vapor mixture becomes saturated, when cooled at constant total pressure out of contact with a liquid.
[A].

Dew point

[B].

Bubble point

[C].

Dry bulb temperature

[D].

Wet bulb temperature

Answer: Option A

Explanation:

No answer description available for this question.

__________ is the temperature at which a gas-vapor mixture becomes saturated, when cooled at constant total pressure out of contact with a liquid. Read More »

CHEMICAL ENGINEERING, Mass Transfer

If a two phase system is in physical equilibrium; then it means that, the

CHEMICAL ENGINEERING, Mass Transfer /
Question: If a two phase system is in physical equilibrium; then it means that, the
[A].

escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase.

[B].

temperature of the liquid phase is equal to that of the vapor phase.

[C].

total pressure throughout the liquid phase is equal to that throughout the vapor phase.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

If a two phase system is in physical equilibrium; then it means that, the Read More »

CHEMICAL ENGINEERING, Mass Transfer

Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

CHEMICAL ENGINEERING, Mass Transfer /
Question: Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the
[A].

latent heat

[B].

humid heat

[C].

specific heat

[D].

sensible heat

Answer: Option C

Explanation:

No answer description available for this question.

Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the Read More »

CHEMICAL ENGINEERING, Mass Transfer

__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

CHEMICAL ENGINEERING, Mass Transfer /
Question: __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.
[A].

Dry bulb

[B].

Wet bulb

[C].

Dew point

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture. Read More »

CHEMICAL ENGINEERING, Mass Transfer

In saturated gas, the

CHEMICAL ENGINEERING, Mass Transfer /
Question: In saturated gas, the
[A].

vapour is in equilibrium with the liquid at the gas temperature.

[B].

vapour is in equilibrium with the liquid at the room temperature.

[C].

partial pressure of vapour equals the vapour pressure of the liquid at room temperature.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

In saturated gas, the Read More »

CHEMICAL ENGINEERING, Mass Transfer

In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.

CHEMICAL ENGINEERING, Mass Transfer /
Question: In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.
[A].

greater than

[B].

smaller than

[C].

equal to

[D].

either (a), or (b) ; depends on the type of packing

Answer: Option B

Explanation:

No answer description available for this question.

In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Read More »

CHEMICAL ENGINEERING, Mass Transfer

Co-current absorbers are usually used when the gas to be dissolved in the liquid is

CHEMICAL ENGINEERING, Mass Transfer /
Question: Co-current absorbers are usually used when the gas to be dissolved in the liquid is
[A].

sparingly soluble

[B].

highly soluble

[C].

a pure substance

[D].

a mixture

Answer: Option C

Explanation:

No answer description available for this question.

Co-current absorbers are usually used when the gas to be dissolved in the liquid is Read More »

CHEMICAL ENGINEERING, Mass Transfer