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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as

Stream line
Path line
Steak line
Potential line

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Real
Ideal
Non-Newtonian

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is

80 r.p.m.
10 r.p.m.
40 r.p.m.
20 r.p.m.

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Hydraulics and Fluid Mechanics in ME
Maximum impulse will be developed in hydraulic ram when

Ram chamber is large
Supply pipe is short
Waste valve closes suddenly
Supply pipe is long

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Hydraulics and Fluid Mechanics in ME
If no resistance is encountered by displacement, such a substance is known as

Fluid
Gas
Water
Ideal fluid

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Hydraulics and Fluid Mechanics in ME
The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

None of these
Remain same
Decreases
Increases

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