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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific speed
specific volume
specific gravity
specific weight

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

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

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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

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

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Hydraulics & Fluid Mechanics
Two pipe systems are said to be equivalent when

head loss and discharge are same in two systems
length and diameter are same in two systems
length of pipe and discharge are same in two systems
friction factor and length are same in two systems

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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
981 PA
1 PA
9810 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 (iii)
(i) and (iv)
(ii) and (iv)

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