Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge 0.75 Q Q/0.75 Same quantity of liquid 1.5 Q 0.75 Q Q/0.75 Same quantity of liquid 1.5 Q ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Runaway speed of a hydraulic turbine is The speed corresponding to maximum overload permissible The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open Full load speed The speed at which turbine runner will be damaged The speed corresponding to maximum overload permissible The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open Full load speed The speed at which turbine runner will be damaged ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is 1/√2 1 43832 √2 1/√2 1 43832 √2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum number of jets generally employed in impulse turbine without jet interference is 6 12 4 8 6 12 4 8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts Causes sudden drop in power output and efficiency Reduces the discharge of a turbine All of these Causes noise and vibration of various parts Causes sudden drop in power output and efficiency Reduces the discharge of a turbine All of these ANSWER DOWNLOAD EXAMIANS APP
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