A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

4.6 M

4.8 M

4.0 M

4.2 M

4.6 M

4.8 M

4.0 M

4.2 M

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Hydraulics & Fluid Mechanics
Surface energy per unit area of a surface is numerically equal to

force of adhesion

surface tension

atmospheric pressure

force of cohesion

force of adhesion

surface tension

atmospheric pressure

force of cohesion

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Hydraulics & Fluid Mechanics
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

linearly with radial distance

inversely as the radial distance

as the square of the radial distance

inversely as the square of the radial distance

linearly with radial distance

inversely as the radial distance

as the square of the radial distance

inversely as the square of the radial distance

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Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the

centroid of the volume of fluid vertically above the body

center of the volume of floating body

centriod of the displaced volume of fluid

center of gravity of any submerged body

centroid of the volume of fluid vertically above the body

center of the volume of floating body

centriod of the displaced volume of fluid

center of gravity of any submerged body

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Hydraulics & Fluid Mechanics
Which of the following instrument can be used for measuring speed of an aeroplane

Orifice plate

Venturimeter

rotameter

pitot tube

Orifice plate

Venturimeter

rotameter

pitot tube

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Hydraulics & Fluid Mechanics
An open vessel of water is accelerated up an inclined plane. The free water surface will

make an angle in direction of inclination of inclined plane

be horizontal

make an angle in opposite direction to inclination of inclined plane

any one of above is possible

make an angle in direction of inclination of inclined plane

be horizontal

make an angle in opposite direction to inclination of inclined plane

any one of above is possible

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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to

Hydraulics & Fluid Mechanics When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the

Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane

Hydraulics & Fluid Mechanics An open vessel of water is accelerated up an inclined plane. The free water surface will

Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

Hydraulics & Fluid Mechanics
Surface energy per unit area of a surface is numerically equal to

Hydraulics & Fluid Mechanics
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the

Hydraulics & Fluid Mechanics
Which of the following instrument can be used for measuring speed of an aeroplane

Hydraulics & Fluid Mechanics
An open vessel of water is accelerated up an inclined plane. The free water surface will