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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
A large Roynold number is indication of

turbulent flow
highly turbulent flow.
LAMINAR FLOW
smooth and streamline flow

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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

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

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Hydraulics & Fluid Mechanics
If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is

200
160
less than 1
between 1 and 100

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Hydraulics & Fluid Mechanics
Separation of flow occurs when

the pressure intensity reaches a minimum
the cross-section of a channel is reduced
the boundary layer comes to rest
All of these

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

0.86
0.611
0.95
1.01

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

discharge
pressure
velocity
head

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