Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is less than 5 times the height of orifice The size of orifice is large The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The size of orifice is large The available head of liquid is more than 5 times the height of orifice The velocity of flow is large ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts Reduces the discharge of a turbine Causes sudden drop in power output and efficiency All of these Causes noise and vibration of various parts Reduces the discharge of a turbine Causes sudden drop in power output and efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is used to measure the discharge ? venturimeter pitot tube current meter hotwire anemometer venturimeter pitot tube current meter hotwire anemometer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain. None of these Equal to Directly proportional Inversely proportional None of these Equal to Directly proportional Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a hydraulic turbine depends upon Discharge and power developed Speed and power developed Speed, power developed and head of water Speed and head of water Discharge and power developed Speed and power developed Speed, power developed and head of water Speed and head of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed ANSWER DOWNLOAD EXAMIANS APP