Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle placed at the end of a water pipe line discharges water at a Low velocity High pressure High velocity Low pressure Low velocity High pressure High velocity Low pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Archimedes’s principle Pascal’s law Bernoulli’s theorem Principle of flotation Archimedes’s principle Pascal’s law Bernoulli’s theorem Principle of flotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted Slightly below the tail race Little above the tail race At the level of tail race About 2.5 m above the tail race to avoid cavitations Slightly below the tail race Little above the tail race At the level of tail race About 2.5 m above the tail race to avoid cavitations ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure measured with the help of a pressure gauge is called Mean pressure Gauge pressure Atmospheric pressure Absolute pressure Mean pressure Gauge pressure Atmospheric pressure Absolute pressure ANSWER DOWNLOAD EXAMIANS APP
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