The most economical range of absorption factor is

Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

A

1

B

> 1

C

≤ 1

The value of L/mG ratio for economical absorption operation ranges from

A

0.5 to 0.8

B

0.8 to 1.2

C

1.25 to 2.0

D

2.5 to 3.5

For a consumer the most economical power factor is generally

A

0.5 lagging

B

0.5 leading

C

0.95 lagging

D

0.95 leading

In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency

A

Liquid stream should be distributed uniformly

B

Gas stream should be distributed uniformly

C

Both gas as well as liquid streams should be distributed uniformly

D

By passing should be completely avoided

Absorption accompanied with chemical reaction is exemplified by the absorption of

A

Ammonia in water

B

Benzol present in coke oven gas by wash oil

C

SO₂ in alkaline solution

D

All of the above

In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.

A

Liquid

B

Gas

C

Both A & B

D

Neither A nor B

Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in

A

Decreased solute solubility

B

Large minimum liquid to gas (L/G) ratio

C

Large number of trays

D

All of the above

The most economical way of going form city A to City B , in terms of toll and distance is to us the

A

bridge

B

bridge & tunnel

C

toll free highway

D

tunnel

Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?

A

Static condenser

B

Synchronous condenser

C

Tap changing transformer

D

Booster transformer

The most practical fuel for a thermonuclear reactor, both from economical and nuclear consideration is

A

Plutonium

B

Uranium

C

Deuterium

D

Thorium

The most economical range of absorption factor is

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