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 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 (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-third of the total supply head One-fourth of the total supply head One-half of the total supply head Two-third of the total supply head One-third of the total supply head One-fourth of the total supply head One-half of the total supply head Two-third of the total supply head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of fluid due to hammer blow is Inversely proportional to density of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to (density)1/2 of fluid Inversely proportional to density of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to (density)1/2 of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece depends upon Pressure of liquid Length of mouthpiece Velocity of liquid Area of mouthpiece Pressure of liquid Length of mouthpiece Velocity of liquid Area of mouthpiece ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will may increase or decrease depending on the characteristics of liquid decrease increase remain unaffected may increase or decrease depending on the characteristics of liquid decrease increase remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed at which turbine runner will be damaged Full load speed The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed corresponding to maximum overload permissible The speed at which turbine runner will be damaged Full load speed The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open The speed corresponding to maximum overload permissible ANSWER DOWNLOAD EXAMIANS APP
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