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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is

9.75 m/sec²
9.81 m/sec²
10.2/m sec
10m/sec²

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Hydraulics & Fluid Mechanics
The density of water is 1000 kg/m3 at

0°K
4°C
20°C
0°C

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Hydraulics & Fluid Mechanics
For measuring flow by a venturimeter, if should be installed in

vertical line
inclined line with upward flow
in any direction and in any location.
horizontal line

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Hydraulics & Fluid Mechanics
Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are

(i) and (iii)
(ii) and (iii)
(i) and (iv)
(ii) and (iv)

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Hydraulics & Fluid Mechanics
Coefficient of velocity for Borda’s mouth piece running full is

0.855
1.00
0.611
0.707

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Hydraulics & Fluid Mechanics
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.)

frictionless flow
uniform flow
incompressible flow
steady flow

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