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 First rise and then fall Steep Horizontal Nearly horizontal First rise and then fall Steep Horizontal Nearly horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Avoid interruption in the flow Maintain pressure difference Increase discharge Increase velocity Avoid interruption in the flow Maintain pressure difference Increase discharge Increase velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Piezometer is used to measure Pressure in pipe, channels etc Very low pressures Atmospheric pressure Difference of pressure between two points Pressure in pipe, channels etc Very low pressures Atmospheric pressure Difference of pressure between two points 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/(H - hf ) (H + hf )/H (H - hf )/H H/(H + hf ) H/(H - hf ) (H + hf )/H (H - hf )/H H/(H + hf ) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pitot tube is used to measure static pressure stagnation pressure dynamic pressure velocity at stagnation point static pressure stagnation pressure dynamic pressure velocity at stagnation point ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
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