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Hydraulics and Fluid Mechanics

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

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

A. e.g. of body
B. center of pressure
C. center of buoyancy
D. metacentre
E. liquid surface

When a body floating in a liquid, is displaced slightly, it oscillates about ___________________? Read More »

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

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

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

A. the weight of the body
B. more than the weight of the body
C. less than the weight of the body
D. weight of the fluid displaced by the body
E. weight of body plus the weight of the fluid displaced hy the body

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

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

For a body floating in a liquid the normal pressure exerted by the liquid acts at _________________?

For a body floating in a liquid the normal pressure exerted by the liquid acts at _________________?

A. bottom surface of the body
B. e.g. of the body
C. metacentre
D. all points on the surface of the body
E. all of the above

For a body floating in a liquid the normal pressure exerted by the liquid acts at _________________? Read More »

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

Metacentre is the point of intersection of _________________________?

Metacentre is the point of intersection of _________________________?

A. vertical upward force through e.g. of body and center line of body
B. buoyant force and the center line of body
C. mid point between e.g. and center of buoyancy
D. all of the above
E. none of the above

Metacentre is the point of intersection of _________________________? Read More »

Civil Engineering Mcqs, Fluid Mechanics, Hydraulics and Fluid Mechanics

The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is ______________________?

The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is ______________________?

A. 2.4 m
B. 3.0 m
C. 4.0 m
D.”2.5 m
E. 5.0 m

The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is ______________________? Read More »

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

Choose the wrong statement___________________?

Choose the wrong statement___________________?

A. The horizontal component of the hydro-static force on any surface is equal to the normal force on the vertical projection of the surface
B. The horizontal component acts through the center of pressure for the vertical projection
C. The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area
D. he vertical component passes through the center of pressure of the volume
E. Center of pressure acts at a greater depth than center of gravity

Choose the wrong statement___________________? Read More »

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?

If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?

A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column

If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________? Read More »

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?

A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?

A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
E. 30,000 kg

A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________? Read More »

Civil Engineering Mcqs, Hydraulics and Fluid Mechanics