Fluid is a substance that

Density of water is maximum at

Property of a fluid by which its own molecules are attracted is called

Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

The normal stress in a fluid will be constant in all directions at a point only if

Specific weight of sea water is more that of pure water because it contains

Free surface of a liquid tends to contract to the smallest possible area due to force of

A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

Barometer is used to measure

Manometer is used to measure

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

When a fluid is subjected to resistance, it undergoes a volumetric change due to

Liquids transmit pressure equally in all the directions. This is according to

The rise or depression of liquid in a tube due to surface tension with an increase in size of tube will

Mercury is often used in barometer because

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

Which of the following is the correct relation between centroid (cg) and the center of pressure (cp) of a plane submerged in a liquid?

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centroid, if

Choose the wrong statement

Center of pressure on an inclined plane is

Can center of pressure for a vertical plane submerged surface be ever be above center of gravity?

In a vertically submerged plane surface, pressure at every point remains same.

For an inclined plate the pressure intensity at every point differs.

The magnitude of total pressure and center of pressure is independent on the shape of the submerged plane surface.

What is the variation of total pressure with depth for any submerged surface if we neglect variation in the density?

The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to

The resultant upward pressure of the fluid on an immersed body is called

What is the principal cause of action of buoyant force on a body submerged partially or fully in fluid?

The center of gravity of the volume of the liquid displaced by an immersed body is called

The horizontal component of buoyant force is

The line of action of the buoyant force acts through the

Choose the wrong statement

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

How can relatively denser object be made to float on the less dense fluid?

The conditions for the stable equilibrium of a floating body are

Metacentric height is given as the distance between

Metacenter is the point of intersection of

When a body floating in a liquid, is displaced slightly, it oscillates about

When the ship’s metacenter and center of gravity coincide at same point then the vessel is said to be in

Energy gradient line takes into consideration

Hydraulic gradient line takes into consideration

Which of the following is true?

Which of the following is true?

The vertical intercept between EGL and HGL is equal to

The slope of HGL will be

Equation of continuity is based on the principle of conservation of

Bernoulli’s equation deals with the law of conservation of

All the terms of energy in Bernoulli’s equation have dimension of

The losses of energy in pipes due to

The major loss of energy in long pipes is due to

The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the

Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the

The intensity of pressure on an immersed surface __________ with the increase in depth

Capillary action is due to the

The pressure measured with the help of a pressure gauge is called

The tendency of a liquid surface to contract is due to the following property

When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

Non uniform flow occurs when

Differential manometer is used to measure

What is the depth of flow in case most economical circular section considering maximum velocity?

For a channel to be economic which of the following parameters should be minimum?

Which geometric parameter determines the efficiency of the channel?

The ratio of inertia force and gravitational force is called as ______

Water hammer pressure can be considerably reduced using

The phenomenon of water hammer takes place in pipes

The magnitude of water hammer effect in a pipe depends on

The ratio of absolute viscosity to mass density is known as

Two pipe systems are said to be equivalent when

Which of the following conditions is valid in the case of flow through parallel pipes?

In series – pipe problems

Minor losses do not make any serious effect in

Minor losses occur due to

Which one of the following is a major loss?

The major loss of energy in long pipes is due to