Hydraulics and Fluid Mechanics in ME The unit of surface tension is N/m2 N/m N/m3 N-m N/m2 N/m N/m3 N-m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of cooling Newton's law of motion Newton's law of viscosity Newton's law of resistance Newton's law of cooling Newton's law of motion Newton's law of viscosity Newton's law of resistance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 2ρ ω2 r2 ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² [(Vr - v) v]/ Vr [(Vr + v) v]/ Vr [2(Vr - v) v]/ Vr² [2(Vr + v) v]/ Vr² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) ANSWER DOWNLOAD EXAMIANS APP