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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

9.28 kN
8.29 kN
28.9 kN
2.89 kN

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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 discharge of wheel is

2.5 m3/s
0.25 m3/s
1.5 m3/s
0.5 m3/s

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

Less than 2000
More than 2800
None of these
Between 2000 and 2800

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

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Hydraulics and Fluid Mechanics in ME
Euler's number is the ratio of __________ force to pressure force.

None of these
Inertia
Viscous
Gravity

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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
Gas
Fluid
Water

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