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 The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is 2 3/2 2/3 1/2 2 3/2 2/3 1/2 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(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) 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 (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in CE Least possible value of correction factor fori) kinetic energy is zeroii) kinetic energy is 1iii) momentum is zeroiv) momentum is 1The correct statements are (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) 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 0.20 cm 0.40 cm 0.05 cm 0.10 cm 0.20 cm 0.40 cm 0.05 cm ANSWER DOWNLOAD EXAMIANS APP