Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant Z + p/w + v²/2g = constant Z - p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant Z + p/w + v²/2g = constant Z - p/w + v²/2g = constant 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 × 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) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is Directly proportional to (radius)4 Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)2 Directly proportional to (radius)4 Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Indicator diagram of a reciprocating pump is a graph between Flow vs. swept volume Pressure vs. speed Pressure in cylinder vs. swept volume Flow vs. speed Flow vs. swept volume Pressure vs. speed Pressure in cylinder vs. swept volume Flow vs. speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an incorrect statement ? Flow nozzle is cheaper than venturimeter but has higher energy loss Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined None of these Coefficient of contraction of a venturimeter is unity Flow nozzle is cheaper than venturimeter but has higher energy loss Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined None of these Coefficient of contraction of a venturimeter is unity ANSWER DOWNLOAD EXAMIANS APP