Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Bent forward Bent backward Straight Radial Bent forward Bent backward Straight Radial ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a venturi-flume, the flow takes place at Gauge pressure Atmospheric pressure None of these Absolute pressure Gauge pressure Atmospheric pressure None of these Absolute pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) (H + hf )/H H/(H + hf ) H/(H - hf ) (H - hf )/H (H + hf )/H H/(H + hf ) H/(H - hf ) (H - hf )/H ANSWER DOWNLOAD EXAMIANS APP
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 Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of turbine is defined as the speed of a unit Of such a size that it requires unit power per unit head Of such a size that it produces unit horse power with unit head Of such a size that it delivers unit discharge at unit power Of such a size that it delivers unit discharge at unit head Of such a size that it requires unit power per unit head Of such a size that it produces unit horse power with unit head Of such a size that it delivers unit discharge at unit power Of such a size that it delivers unit discharge at unit head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The absolute pressure is equal to Gauge pressure - vacuum pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure Gauge pressure - vacuum pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Atmospheric pressure - gauge pressure ANSWER DOWNLOAD EXAMIANS APP
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