Mechanical Engineering Questions And Answers :: Hydraulic And Fluid Machines: part4



Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part4 : 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.The capillary rise at 20�C in a clean glass tube of 1 mm bore containing water is ap-proximately

1 mm
5 mm
10 mm
20 mm
30 mm.

7.. Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the

force of adhesion
force of cohesion
force of friction
force of diffusion
none of die above.

8.Mercury is often used in barometer because

it is the best liquid
the height of barometer will be less
its vapour pressure is so low that it may be neglected
both (b) and (c)
it moves easily.

9.Newton's law of viscosity is a relationship between

shear stress anctthejiate of angular dis�tortion
shear stress and viscosity
shear stress, velocity and viscosity
pressure, velocity and viscosity
shear stress, pressure and rate of an-gular distortion.

10.The peoperty by virtue of which a liquid opposes relative motion between its different layers is called

surface tension
co-efficient of viscosity
viscosity
osmosis
cohesion.

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

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