Q.1.

A body of dimensions 1.5 m x 1.0 m x 2 m weighskg in water. Its specific gravity is

Q.2.

The metacentric height of a body equals the distance between

Q.3.

Total energy line is

Q.4.

'Flow net' can be drawn only if the flow is

Q.5.

In a two dimensional flow if the components of the velocity are u = ax ; v = by, the point where no motion occurs, is known as

Q.6.

The flow in a channel is said to be non-uniform, if

Q.7.

The flow in which each liquid particle has a definite path and the paths of adjacent particles do not cross each other, is called

Q.8.

Though angle of deviation of liquid is more in internal mouth piece, the contraction of the jet, is

Q.9.

The hydrostatic force acts through

Q.10.

An orifice is called a large orifice if water head, is

Q.11.

To ensure that water does not rise more thancm above the crest, for a discharge of 5.m3/sec, the length of water will be

Q.12.

The flow in a channel is said to be non-uniform, if

Q.13.

If H is height of the liquid above the sill, the effect of end contractions, according to Francis formula, is

Q.14.

Discharge through a totally submerged orifice, is directly proportional to

Q.15.

For critical flow, the Froude number is :

Q.16.

The flow in open channel is laminar if the Reynold number is

Q.17.

Most economical section of a circular channel for maximum velocity, is if,

Q.18.

In an inclined position, a venturimeter records

Q.19.

For a most economical trapezoidal open channel, the half of the top width must be equal to

Q.20.

The flow in open channel is laminar if the Reynold number is

Q.21.

The pressure less than atmospheric , pressure, is known

Q.22.

For solving the problems is hydraulic engineering, the velocity used is

Q.23.

One metric slug is equal to

Q.24.

The dimensions MLT-2 refers to

Q.25.

Pick up the correct statement from the following :

Q.26.

Frictional loss of head includes the loss of energy due to

Q.27.

For solving the problems is hydraulic engineering, the velocity used is

Q.28.

Pick up the correct statement regarding convergent divergent mouth piece from the following :

Q.29.

If H is the difference of liquid levels on two sides of an orifice (width b, depth d), the discharge through the orifice will be

Q.30.

The shape of fire hose nozzle is generally kept