1000+ Hydraulics and Fluid Mechanics MCQ Questions and Answers - 1
Question: 1
A rotameter is a device used to measure
(A) flow of fluids
(B) vortex flow
(C) velocity of gauges
(D) velocity of fluid in pipes
Ans: A
flow of fluids
Question: 2
Pascal’s law states that pressure at a point is equal in all directions
(A) in a turbulent flow
(B) in a laminar flow
(C) in a fluid at rest
(D) in a liquid at rest
Ans: C
in a fluid at rest
Question: 3
The purpose of surge tank in a pipeline is to
(A) to relieve the pressure due to water hammer
(B) prevent occurrence of hydraulic pump
(C) minimize friction losses in pipe
(D) smoothen the flow of water
Ans: A
to relieve the pressure due to water hammer
Question: 4
Bernoulli’s theorem deals with the principle of conservation of
(A) mass
(B) energy
(C) force
(D) momentum
Ans: B
energy
Question: 5
A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as
(A) turbulent flow
(B) laminar flow
(C) uniform flow
(D) steady flow
Ans: A
turbulent flow
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