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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 9
21.
Hydraulic __________ works on the principle of Pascal's law of transmission of fluid pressure.
press
turbine
pump
coupling
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is
Δp
< Δp
> Δp
Δp2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The contraction co-efficient for Borda's mouthpiece (for frictionless fluid) is
0.1
0.5
0.94
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Purpose of air lift pump is to
compress air.
lift compressed air.
lift water from a well by using compressed air.
lift air under negative pressure.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Pick out the correct statement pertaining to venturimeter.
A venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward.
The co-efficient of contraction of a venturimeter is always unity.
For a fixed pressure drop, the discharge of a gas through a venturimeter is greater, when compressibility is taken into account, than when it is neglected.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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