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HYDRAULICS & FLUID MECHANICS

Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

4.8 M
4.6 M
4.2 M
4.0 M

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Hydraulics & Fluid Mechanics
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

NOT PREDICTABLE FROM THE GIVEN DATA
TRANSITION FLOW
LAMINAR FLOW
TURBULENT FLOW

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

0.86
1.01
0.95
0.611

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

NEGLIGIBLE
None of these
SAME AS BUOYANT FORCE
ZERO

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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

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

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