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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

1/√2
√2
43832
1

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Hydraulics and Fluid Mechanics in ME
A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

1.5 m/sec
less than 1 m/sec
2 m/sec
1 m/sec

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Hydraulics and Fluid Mechanics in ME
For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

Bernoulli’s equation
Pascal’s law
Continuity equation
Archimedes’s principle

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Hydraulics and Fluid Mechanics in ME
Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft?

Hydraulic accumulator
Hydraulic torque converter
Hydraulic intensifier
Hydraulic ram

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.116 stoke
0.0611 stoke
0.611 stoke
0.0116 stoke

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Hydraulics and Fluid Mechanics in ME
A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is

7.5 kN/m3
6 kN/m3
10 kN/m3
4.5 kN/m3

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