Civil Engineering MCQs

Page No. 18

The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?


a 500 kg

✖


b1000 kg

✖


c1500 kg

✖


d2000 kg

✓


View Answer 2000 kg

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?


a higher than the surface of liquid

✖


b the same as the surface of liquid

✖


clower than the surface of liquid

✓


dunpredictable

✖



Falling drops of water become spheres due to the property of ________________?


aadhesion

✖


bcohesion

✖


c surface tension

✓


dviscosity

✖


View Answer surface tension

Free surface of a liquid tends to contract to the smallest possible area due to force of _________________?


a surface tension

✓


bviscosity

✖


cfriction

✖


dcohesion

✖


View Answer surface tension

Specific weight of sea water is more that of pure water because it contains ________________?


adissolved salt

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bsuspended matter

✖


c all of the above

✓


dheavy water

✖


View Answer all of the above

Alcohol is used in manometers because_____________________?


ait has low vapour pressure

✖


b it is clearly visible

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cit has low surface tension

✖


dit can provide longer column due to low density

✓



Which of the following is the unit of kinematic viscosity _________________?


apascal

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bpoise

✖


cstoke

✓


dfaraday

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View Answer stoke

The ratio of absolute viscosity to mass density is known as____________________?


aspecific viscosity

✖


b viscosity index

✖


ckinematic viscosity

✓


dcoefficient of viscosity

✖


View Answer kinematic viscosity

The density of water is 1000 kg/m3 at __________________?


a0°C

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b0°K

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c 4°C D. 20°C

✓


dall temperature

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View Answer 4°C D. 20°C

The property of fluid by virtue of which it offers resistance to shear is called____________________?


asurface tension

✖


badhesion

✖


ccohesion

✖


dviscosity

✓


View Answer viscosity

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