CHEMICAL ENGINEERING | Fuels and Combustion

The calorific value of natural gas is about __________ kcal/Nm3.

Byadmin August 17, 2022

Question: The calorific value of natural gas is about __________ kcal/Nm3.
[A].

10, 000

[B].

2500

[C].

25, 000

[D].

35, 000

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ can replace tungsten in high speed steel.

Question: __________ can replace tungsten in high speed steel.
[A].

Chromium
[B].
Vanadium
[C].
Cobalt
[D].
Molybdenum

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ can replace tungsten in high speed steel.
CHEMICAL ENGINEERING | Environmental Engineering

__________ is removed from water by lime-soda process.

Question: __________ is removed from water by lime-soda process.
[A].

Foul smell and taste
[B].
Iron and manganese
[C].
Temporary hardness
[D].
Permanent hardness

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ is removed from water by lime-soda process.
CHEMICAL ENGINEERING | Fluid Mechanics

A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.

Question: A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.
[A].

1
[B].
10/55
[C].
5.5
[D].
1/55

Answer: Option A

Explanation:

No answer description available for this question.

Read More A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.
CHEMICAL ENGINEERING | Chemical Engineering Basics

A colloidal system, in which a liquid is dispersed in gas is called a/an

Question: A colloidal system, in which a liquid is dispersed in gas is called a/an
[A].

gel
[B].
aerosol
[C].
foam
[D].
emulsion

Answer: Option B

Explanation:

No answer description available for this question.

Read More A colloidal system, in which a liquid is dispersed in gas is called a/an
Fuels and Combustion

In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?

In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?

A. Cuprous chloride
B. Potassium hydroxide
C. Alkaline pyrogallol solution
D. None of these

Read More In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?
CHEMICAL ENGINEERING | Chemical Process

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Question: Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
[A].

15-30
[B].
90-100
[C].
250-300
[D].
<0

Answer: Option A

Explanation:

No answer description available for this question.

Read More Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

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