Hydraulics and Fluid Mechanics in ME The buoyancy depends on mass of liquid displaced pressure of the liquid displaced viscosity of the liquid depth of immersion mass of liquid displaced pressure of the liquid displaced viscosity of the liquid depth of immersion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure with rise in altitude decreases first slowly and then steeply linearly first steeply and then gradually unpredictable first slowly and then steeply linearly first steeply and then gradually unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H). P/ √H P/ H² P/ H P/ H3/2 P/ √H P/ H² P/ H P/ H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. None of these Increases Remain same Decreases None of these Increases Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.64 0.46 0.87 0.78 0.64 0.46 0.87 0.78 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP