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ME Set-3
Fluid Mechanics
125

Fluid Mechanics MCQ with Answers

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

the area is horizontal

the area is vertical

the area is inclined

all of the above

Answer is:

all of the above

Explanation:

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if
* the area is horizontal
* the area is vertical
* the area is inclined

Fluid Mechanics MCQ with Answers

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126) 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

9,000 kg

13,500 kg

18,000 kg

27,000 kg

Answer is:

13,500 kg

127) 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

2.4 m

3.0 m

4.0 m

2.5 m

Answer is:

3.0 m

128) If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm^2, the pressure at a depth of 50 m below the oil surface will be

2 meters of water column

3 meters of water column

5 meters of water column

6 meters of water Column

Answer is:

6 meters of water Column

129) Metacentre is the point of intersection of

vertical upward force through e.g. of body and center line of body

buoyant force and the center line of body

mid point between e.g. and center of buoyancy

all of the above

Answer is:

buoyant force and the center line of body

Fluid Mechanics MCQ with Answers

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

all of the above

Fluid Mechanics MCQ with Answers

Related Fluid Mechanics MCQ with Answers

126) 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

13,500 kg

127) 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

3.0 m

128) If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm^2, the pressure at a depth of 50 m below the oil surface will be

6 meters of water Column

129) Metacentre is the point of intersection of

buoyant force and the center line of body

Fluid Mechanics MCQ with Answers