Mechanical Engineering Questions And Answers :: Hydraulic And Fluid Machines: part3



Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part3 : 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.Free surface of a liquid tends to contract to the smallest possible area due to force of

surface tension
viscosity
friction
cohesion
adhesion.

7.The ratio of absolute viscosity to mass den-sity is known as

specific viscosity
viscosity index
kinematic viscosity
coefficient of viscosity
coefficient of compressibility.

8.The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

meta centre
centre of pressure
centre of buoyancy
centre of gravity
none of the above.

9.Alcohol is used in manometers because

it has low vapour pressure
it is clearly visible
it has low surface tension
it can provide longer column due to low density
is provides suitable meniscus.

10.Specific weight of sea water is more that of pure water because it contains

dissolved air
dissolved salt
suspended matter
all of the above
heavy water.

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

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