Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is Between 2000 and 2800 More than 2800 None of these Less than 2000 Between 2000 and 2800 More than 2800 None of these Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηh = ηo × ηm ηm = ηm × ηh ηo = ηh × ηm None of these ηh = ηo × ηm ηm = ηm × ηh ηo = ηh × ηm None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sinθ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant pressure, the speed capacity and power vary Inversely as density As square of density Directly as the air or gas density Inversely as square root of density Inversely as density As square of density Directly as the air or gas density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Excessive power will be consumed Cavitation will be formed Efficiency will be low No flow will take place Excessive power will be consumed Cavitation will be formed Efficiency will be low No flow will take place 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.? None of these Kaplan turbine Pelton wheel Francis turbine None of these Kaplan turbine Pelton wheel Francis turbine ANSWER DOWNLOAD EXAMIANS APP
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