Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s) w × Q × hf w × Q (H + hf) w × Q (H - hf) w × Q × H w × Q × hf w × Q (H + hf) w × Q (H - hf) w × Q × H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. None of these Does not change Contracts Expands None of these Does not change Contracts Expands ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Lower than Same as Higher than None of these Lower than Same as Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Dalton’s law of partial pressure Avogadro’s hypothesis Pascal’s law Newton’s law of viscosity Dalton’s law of partial pressure Avogadro’s hypothesis Pascal’s law Newton’s law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηm = ηm × ηh ηo = ηh × ηm None of these ηh = ηo × ηm ηm = ηm × ηh ηo = ηh × ηm None of these ηh = ηo × ηm ANSWER DOWNLOAD EXAMIANS APP
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