The process, which causes the air to enter the impeller blades of a centrifugal

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Question
The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.
Options
A. reduced
B. increased

Correct Answer

reduced

More questions

1. The specific weight is also known as weight density.
Options
A. Correct
B. Incorrect

Discuss

Correct Answer: Correct

2. Which of the following material has maximum malleability?
Options
A. Lead
B. Soft steel
C. Wrought iron
D. Copper

Discuss

Correct Answer: Lead

3. A petrol that detonates easily is called
Options
A. high octane petrol
B. low octane petrol
C. unleaded petrol
D. blended fuel

Discuss

Correct Answer: low octane petrol

4. A tool used to withdraw a drill from the sleeve is called
Options
A. drill remover
B. drill puller
C. drift
D. drill drawer

Discuss

Correct Answer: drift

5. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
Options
A. Agree
B. Disagree

Discuss

Correct Answer: Agree

6. Euler's formula holds good only for
Options
A. short columns
B. long columns
C. both short and long columns
D. weak columns

Discuss

Correct Answer: long columns

7. Surface plate is used to check the trueness of flat surfaces.
Options
A. True
B. False

Discuss

Correct Answer: True

8. Follow-up prescribes the sequence of operations to be followed.
Options
A. Correct
B. Incorrect

Discuss

Correct Answer: Correct

9. An over-inflated tyre will wear the tread most near the
Options
A. edges
B. corners
C. centre
D. none of these

Discuss

Correct Answer: centre

10. A beam encastered at both the ends is called
Options
A. simply supported beam
B. fixed beam
C. cantilever beam
D. continuous beam

Discuss

Correct Answer: fixed beam

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Discussion

The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.

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