Chemical Engineering - Fluid Mechanics

31. 

A mono pump is a __________ pump.

A. centrifugal
B. piston
C. positive acting rotary
D. a group of vacuum

Answer: Option C

Explanation:

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32. 

Higher specific speed (200-500) of a centrifugal pump indicates that the pump is of __________ flow type.

A. axial
B. radial
C. mixed
D. none of these

Answer: Option A

Explanation:

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33. 

The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are
P. Inlet pressure Q. Compressor rpm
R. Delivery pressure S. Volumetric flow rate at inlet.

A. P, Q and R
B. P and R
C. R and S
D. P, Rand S

Answer: Option A

Explanation:

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34. 

Theoretical head developed by a centrifugal pump does not depend upon the __________ the impeller.

A. radius of
B. speed of
C. fluid velocity leaving
D. none of these

Answer: Option D

Explanation:

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35. 

An ideal fluid is

A. non-viscous
B. incompressible
C. both (a) & (b)
D. neither (a) & (b)

Answer: Option C

Explanation:

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