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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

hotwire anemometer
venturimeter
current meter
pitot tube

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Hydraulics and Fluid Mechanics in ME
The mass per unit volume of a liquid at a standard temperature and pressure is called

Specific weight
Mass density
None of these
Specific gravity

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/8 to 1/4
1/16 to 1/8
1/3 to 1/2
1/4 to 1/3

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Hydraulics and Fluid Mechanics in ME
The height of a water column equivalent to a pressure of 0.15 MPa is

25.3 m
15.3 m
45.3 m
35.3 m

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Hydraulics and Fluid Mechanics in ME
An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be

4 kN/m2
10 kN/m2
12 kN/m2
14 kN/m2

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Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of pressure
center of gravity
center of buoyancy
water surface

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