Civil Engineering MCQs

Page No. 6

Flow of water in a pipe about 3 meters in diameter can be measured by_________________?


aorifice plate


bventuri


crotameter


d pitot tube


View Answer pitot tube

Rotameter is a device used to measure____________________?


a absolute pressure


bvelocity of fluid


cflow


drotation


View Answer flow

Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?


a1000 kg


b4000 kg


c 2000 kg


d8000 kg


View Answer 1000 kg

The normal stress is same in all directions at a point in a fluid ___________________?


a only when the fluid is frictionless


bonly when the fluid is incompressible and has zero viscosity


c when there is no motion of one fluid layer relative to an adjacent layer


d in case of an ideal fluid



The time oscillation of a floating body with increase in metacentric height will be________________?


asame


bhigher


clower


dunpredictable


View Answer lower

In an immersed body, center of pressure is ____________________?


a at the center of gravity


babove the center of gravity


cbelow be center of gravity


d could be above or below e.g. depending on density of body and liquid



The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?


a2 meters of water column


b 3 meters of water column


c3.5 meters of water column


d4 m of water column



The line of action of the buoyant force acts through the centroid of the ___________________?


asubmerged body


bvolume of the floating body


c volume of the fluid vertically above the body


ddisplaced volume of the fluid



Differential monometer is used to measure _______________________?


apressure in pipes, channels etc.


batmospheric pressure


cvery low pressure


ddifference of pressure between two points



Resultant pressure of the liquid in the case of an immersed body acts through _________________?


acenter of gravity


b center of pressure


cmetacentre


dcenter of buoyancy


View Answer center of pressure

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