Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies 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 Square of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Indicator diagram of a reciprocating pump is a graph between Flow vs. swept volume Flow vs. speed Pressure in cylinder vs. swept volume Pressure vs. speed Flow vs. swept volume Flow vs. speed Pressure in cylinder vs. swept volume Pressure vs. speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Pelton wheel Francis turbine Kaplan turbine None of these Pelton wheel Francis turbine Kaplan turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Remain unchanged Increase Decrease Depend upon the characteristics of liquid Remain unchanged Increase Decrease Depend upon the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.707 R 0.577 R 0.423 R 0.223 R 0.707 R 0.577 R 0.423 R 0.223 R ANSWER DOWNLOAD EXAMIANS APP