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Fluid Mechanics and Hydraulics Machines (3141906)
MCQ
MCQs of Impact of Jet and Hydraulic Turbines
Next
MCQ No - 1
The force exerted (in newton) by a jet of water impinging normally on a fixed plate is
(A)
ρ
a
V
2
(B)
ρ
a
V
(C)
ρ
a
V
2
2
(D)
ρ
a
V
2
Answer
D
MCQ No - 2
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is
(A)
ρ
a
V
2
×
sin
θ
(B)
ρ
a
V
×
sin
θ
(C)
ρ
a
V
2
2
×
sin
2
θ
(D)
ρ
a
V
2
×
sin
θ
Answer
C
MCQ No - 3
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with velocity u is
(A)
ρ
a
V
-
u
2
(B)
ρ
a
V
-
u
(C)
ρ
a
V
-
u
2
2
(D)
ρ
a
V
-
u
2
Answer
D
MCQ No - 4
The ration of the normal force of a jet of water on a plane inclined at an angle of 30° as compared to that when the plate is normal to jet, is
(A)
1
2
(B)
1
2
(C)
1
(D)
2
Answer
B
MCQ No - 5
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of the jet. For the maximum efficiency, the vane velocity is …………. of the jet velocity.
(A)
one-half
(B)
one-third
(C)
two-third
(D)
three-fourth
Answer
B
1
2
3
4
5
6
Fluid Mechanics and Hydraulics Machines(3141906)
1. Fluids and Their Properties
2. Static Forces on Surface and Buoyancy
3. Motion of Fluid Particles and Streams
4. The Energy Equation and its Application
5. Dimensional Analysis and Similarities
6. Viscous and Turbulent Flow
7. Flow Through Pipes
8. Impact of Jet and Hydraulic Turbines
9. Centrifugal Pumps
10. Hydraulic Machines
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