Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand 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 A flow through a long pipe at decreasing rate is called __________ uniform flow. Steady Unsteady None of these Both A and B Steady Unsteady None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A venturi-flume is used to measure Discharge of liquid Pressure of liquid Pressure difference between two points in a channel Pressure difference between two points in a pipe Discharge of liquid Pressure of liquid Pressure difference between two points in a channel Pressure difference between two points in a pipe 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) 0.577 R 0.707 R 0.223 R 0.423 R 0.577 R 0.707 R 0.223 R 0.423 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow of water through the hole in the bottom of a wash basin is an example of Steady flow Uniform flow Forced vortex Free vortex Steady flow Uniform flow Forced vortex Free vortex ANSWER DOWNLOAD EXAMIANS APP
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 Nearly horizontal Horizontal First rise and then fall Steep Nearly horizontal Horizontal First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
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