Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be Steep First rise and then fall Nearly horizontal Horizontal Steep First rise and then fall Nearly horizontal Horizontal 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 × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist 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 [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 [(Vr + v) v]/ Vr [(Vr - v) v]/ Vr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then the pressure throughout the liquid mass is atmospheric None of these there will be vacuum in the liquid the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric None of these there will be vacuum in the liquid the pressure in the liquid mass is greater than hydrostatic pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of rectangular section will be maximum, if Its depth is thrice the breadth Its depth is twice the breadth Its breadth is thrice the depth Its breadth is twice the depth Its depth is thrice the breadth Its depth is twice the breadth Its breadth is thrice the depth Its breadth is twice the depth ANSWER DOWNLOAD EXAMIANS APP