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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx
wA
wAx/sinθ
wx

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

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Three
Two
One
Four

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Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.003 + (0.405/H)
0.003 + (H/0.405)
0.405 + (0.003/H)
0.405 + (H/0.003)

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

Low head and high discharge
High head
Low head
High head and low discharge

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

Ideal fluid
Water
Gas
Fluid

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