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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Dimensions of surface tension are

ML°T⁻²
ML r²
ML°T
ML²T²

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Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

Full
Free
None of these
Partially

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H2
Cd × a × √(2gH)
Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2

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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

10 kg
1000 kg
1 kg
100 kg

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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

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

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Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Reynolds number is

Less than 2000
Less than 4000
More than 4000
Between 2000 and 4000

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