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Hydraulics & Fluid Mechanics

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

0.611
1.00
0.855
0.707

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Hydraulics & Fluid Mechanics
The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is

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

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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

9810 PA
981 PA
1 PA
91 PA

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

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Hydraulics & Fluid Mechanics
A perfect gas

is incompressible
has constant viscosity
is of theoretical interest
None of these

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Hydraulics & Fluid Mechanics
Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is

(i) and (ii)
(i), (ii) and (iii)
(i) and (iii)
(ii) and (iii)

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