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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
SURFACE TENSION HAS THE UNITS OF

NEWTONS/M
NEWTONS
NETON/M
NEW TONS/M

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Hydraulics & Fluid Mechanics
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS

1.01
0.86
0.611
0.95

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Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

91 PA
9810 PA
981 PA
1 PA

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Hydraulics & Fluid Mechanics
The discharge through a V- notch varies as

H1/2
H3’2
H5/2
H5’4 where H is head.

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Hydraulics & Fluid Mechanics
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is

1/2
1/3
1/4
2/3

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

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

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