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
In which of the following the friction drag is generally larger than pressure drag?

an airfoil

a circular disc or plate held normal to flow

a cylinder

a sphere

an airfoil

a circular disc or plate held normal to flow

a cylinder

a sphere

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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

(ii) and (iii)

(i) and (iii)

(i) and (ii)

(i), (ii) and (iii)

(ii) and (iii)

(i) and (iii)

(i) and (ii)

(i), (ii) and (iii)

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Hydraulics & Fluid Mechanics
At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

minimum

negative value

maximum

could be any value

minimum

negative value

maximum

could be any value

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Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific speed

specific weight

specific gravity

specific volume

specific speed

specific weight

specific gravity

specific volume

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Hydraulics & Fluid Mechanics
Select the correct statement

Local atmospheric pressure depends upon elevation of locality only

A barometer reads the difference be-tween local and standard atmospheric pressure

Local atmospheric pressure is always below standard atmospheric pressure

Standard atmospheric pressure is the mean local atmospheric pressure a* sea level

Local atmospheric pressure depends upon elevation of locality only

A barometer reads the difference be-tween local and standard atmospheric pressure

Local atmospheric pressure is always below standard atmospheric pressure

Standard atmospheric pressure is the mean local atmospheric pressure a* sea level

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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 In which of the following the friction drag is generally larger than pressure drag?

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

Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

Hydraulics & Fluid Mechanics Which of the following is demensionless

Hydraulics & Fluid Mechanics Select the correct statement

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
In which of the following the friction drag is generally larger than pressure drag?

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

Hydraulics & Fluid Mechanics
At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

Hydraulics & Fluid Mechanics
Which of the following is demensionless

Hydraulics & Fluid Mechanics
Select the correct statement