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


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


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


bpoise


cstoke


dfaraday


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


b0°K


c 4°C D. 20°C


dall temperature


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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