CHEMICAL ENGINEERING | Fluid Mechanics

For the same terminal conditions and fitting size, the least friction loss is incurred in a/an

Byadmin August 13, 2022

Question: For the same terminal conditions and fitting size, the least friction loss is incurred in a/an
[A].

T-joint

[B].

union

[C].

45° elbow

[D].

90°bend

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.

Question: Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.
[A].

chromel – alumel
[B].
iron – constantan
[C].
platinum – platinum + rhodium
[D].
copper-constantan

Answer: Option B

Explanation:

No answer description available for this question.

Read More Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.
CHEMICAL ENGINEERING | Chemical Engineering Basics

For grinding of softer materials, the grinding wheel should have __________ grain size.

Question: For grinding of softer materials, the grinding wheel should have __________ grain size.
[A].

finer
[B].
coarser
[C].
medium
[D].
any type of

Answer: Option B

Explanation:

No answer description available for this question.

Read More For grinding of softer materials, the grinding wheel should have __________ grain size.
CHEMICAL ENGINEERING | Fuels and Combustion

One kg of carbon for theoretically complete combustion requires __________ kg of air.

Question: One kg of carbon for theoretically complete combustion requires __________ kg of air.
[A].

11.5
[B].
0.5
[C].
23
[D].
12

Answer: Option A

Explanation:

No answer description available for this question.

Read More One kg of carbon for theoretically complete combustion requires __________ kg of air.
CHEMICAL ENGINEERING | Fuels and Combustion

In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.

Question: In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.
[A].

difference in gross & net calorific value of the coke oven gas
[B].
free carbon content in tar
[C].
yield percentage of coke
[D].
yield of ammonia present in coke oven gas

Answer: Option A

Explanation:

No answer description available for this question.

Read More In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.
CHEMICAL ENGINEERING | Heat Transfer

As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient

Question: As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient
[A].

continues to increase.
[B].
continues to decrease.
[C].
goes through a minimum.
[D].
goes through a maximum.

Answer: Option C

Explanation:

No answer description available for this question.

Read More As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient
Fluid Mechanics

In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is_________________?

In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is_________________?

A. 22.5 m/sec
B. 33 m/sec
C. 40 m/sec
D. 90 m/sec

Read More In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is_________________?

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