Hydraulics and Fluid Mechanics in CE Choose the wrong statement.Alcohol is used in manometer, because its density is less its vapour pressure is low it provides suitable meniscus for the inclined tube it provides longer length for a given pressure difference its density is less its vapour pressure is low it provides suitable meniscus for the inclined tube it provides longer length for a given pressure difference 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) 0.10 cm 0.05 cm 0.20 cm 0.40 cm 0.10 cm 0.05 cm 0.20 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE Coefficient of contraction for an external cylindrical mouthpiece is 0.855 1.00 0.7H 0.611 0.855 1.00 0.7H 0.611 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, theni) the ball will move to the frontii) the bubble will move to the frontiii) the ball will move to the reariv) the bubble will move to the rearFind out which of the above statements are correct ? (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) 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 (i) and (ii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i)and(iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is 1/2 3/2 2 2/3 1/2 3/2 2 2/3 ANSWER DOWNLOAD EXAMIANS APP
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