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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc

1 kg
10 kg
1000 kg
100 kg

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Hydraulics and Fluid Mechanics in ME
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is

13,500 kg
9,000 kg
18,000 kg
27,000 kg

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Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

ρ.dp - g.dz + v.dv = 0
dp/ρ + g.dz + v.dv = 0
ρ.dp + g.dz + v.dv = 0
dp/ρ - g.dz + v.dv = 0

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Horizontal line
Any direction and in any location
Inclined line with flow upwards
Inclined line with flow downwards

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Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

Are equal in size and shape
Have identical velocities
Are identical in shape, but differ only in size
None of these

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Hydraulics and Fluid Mechanics in ME
The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Double
Four times
Five times
Three times

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