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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem

All of these
Venturimeter
Orifice plate
pitot tube

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Hydraulics and Fluid Mechanics in ME
The equation of continuity holds good when the flow

is one dimensional
All of these
velocity is uniform at all the cross sec-tions
is steady

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Hydraulics and Fluid Mechanics in ME
The unit of dynamic viscosity in S.I. units is

Stoke
Poise
N-m/s²
N-s/m²

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Hydraulics and Fluid Mechanics in ME
In a depressed nappe

The pressure below the nappe is atmospheric
The pressure above the nappe is negative
The pressure above the nappe is atmospheric
The pressure below the nappe is negative

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Pressure in cylinder vs. swept volume
Flow vs. speed
Flow vs. swept volume
Pressure vs. speed

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Hydraulics and Fluid Mechanics in ME
The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is

8 km
32 km
4 km
20 km

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