Hydraulics and Fluid Mechanics in CE Choose the wrong statement.Alcohol is used in manometer, because it provides longer length for a given pressure difference it provides suitable meniscus for the inclined tube its density is less its vapour pressure is low it provides longer length for a given pressure difference it provides suitable meniscus for the inclined tube its density is less its vapour pressure is low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE An ideal fluid is very viscous one which obeys Newton’s law of viscosity frictionless and compressible frictionless and incompressible very viscous one which obeys Newton’s law of viscosity frictionless and compressible frictionless and incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE The unit of kinematic viscosity is gm/cm²-sec cm²/sec gm/cm-sec² dyne-sec/cm² gm/cm²-sec cm²/sec gm/cm-sec² dyne-sec/cm² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE Flow at constant rate through a tapering pipe isi) steady flowii) uniform flowiii) unsteady flowiv) non-uniform flowThe correct answer is (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE An open cubical tank of 2 m side is filled with water. If the tank is rotated with an acceleration such that half of the water spills out, then the acceleration is equal to g/2 2g/3 g/3 g g/2 2g/3 g/3 g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.40 cm 0.05 cm 0.10 cm 0.20 cm 0.40 cm 0.05 cm 0.10 cm 0.20 cm ANSWER DOWNLOAD EXAMIANS APP