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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_________________?

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_________________?

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 »

Fluid Mechanics

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

Fluid Mechanics /
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water 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 water surface. The hydrostatic force on square surface is____________________? Read More »

Fluid Mechanics

The center of pressure of a surface subjected to fluid pressure is the point_______________?

Fluid Mechanics /
The center of pressure of a surface subjected to fluid pressure is the point_______________?

A. on the surface at which resultant pres-sure acts
B. on the surface at which gravitational force acis
C. at which all hydraulic forces meet
D. similar to metacentre
E. where pressure equivalent to hydraulic thrust will act

The center of pressure of a surface subjected to fluid pressure is the point_______________? Read More »

Fluid Mechanics

In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to________________?

Fluid Mechanics /
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to________________?

A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9

In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to________________? Read More »

Fluid Mechanics

A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________?

Fluid Mechanics /
A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________?

A. sink to bottom
B. float over fluid
C. partly immersed
D. be fully immersed with top surface at fluid surface
E. none of the above

A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________? Read More »

Fluid Mechanics