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Hydraulic And Fluid Machines QUESTIONS AND ANSWERS

Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part6 : 6 to 10

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.When a body floating in a liquid, is displaced slightly, it oscillates about

e.g. of body

centre of pressure

centre of buoyancy

metacentre

liquid surface.

7.The two important forces for a floating body are

buoyancy, gravity

buoyancy, pressure

buoyancy, inertial

inertial, gravity

gravity, pressure.

8.A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?

900 minutes

4 minutes

4 x (225)3/2 minutes

4 (225)1/3 minutes

4 x V225 minutes.

9.Centre of pressure on an inclined plane is

at the centroid

above the centroid

below the centroid

at metacentre

at centre of pressure.

10.If the atmospheric pressure on the surface of an oil tank (sp. gr. 0. is 0.2 kg/cm", the pressure at a depth of 50 m below the oil surface will be

2 metres of water column

3 metres of water column

5 metres of water column

6 metres of water Column

7 metres of water column.

More Hydraulic And Fluid Machines QUESTIONS AND ANSWERS available in next pages