Fluid Mechanics MCQs
The sum of pressure head and datum head is called as
A) Hydraulic gradient line
B) Total energy line
C) Total equations line
D) Transmission line
Check Answer
A) Hydraulic gradient line
If the compound pipe is to be replaced by pipe of uniform diameter that pipe called as
A) Uniform pipe
B) Equivalent pipe
C) Long pipe
D) Series pipe
Check Answer
B) Equivalent pipe
The magnitude of water hammer depends on
A) Length of pipe
B) Elastic property of pipe material
C) Liquid flowing in pipe
D) All of the above
Check Answer
D) All of the above
The purpose of surge tank is
A) To control the pressure variation
B) To eliminate the water hammer effect
C) To regulate the flow of water
D) All of the above
Check Answer
D) All of the above
The the Minor loss in a pipe is about
A) 70 – 80 %
B) 80 – 90 %
C) 60 – 70 %
D) 10 – 20 %
Check Answer
D) 10 – 20 %
When Venturimeter is inclined for a given flow it will shows the _______ reading.
A) Same
B) Higher
C) Lower
D) None of the above
Check Answer
A) Same
The flow of liquid in centrifugal pump casing after left the impeller is example of
A) Free vortex flow
B) Forced vortex flow
C) Both free and forced vortex flow
D) None of the above
Check Answer
A) Free vortex flow
The fluid pressure is defined as
A) Force into area
B) Force per unit area
C) Force per unit length
D) None of the above
Check Answer
B) Force per unit area
The temperature at absolute zero is
A) 273°C
B) -273°C
C) 273K
D) -273K
Check Answer
B) -273°C
The pressure below atmospheric pressure is called as
A) Vacuum pressure
B) Suction pressure
C) Negative gauge pressure
D) All of the above
Check Answer
D) All of the above
