Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Zero Could be any value Maximum Minimum Zero Could be any value Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of the liquid flowing through the divergent portion of a Venturimeter Decreases Remains constant Depends upon mass of liquid Increases Decreases Remains constant Depends upon mass of liquid Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property of a fluid which enables it to resist tensile stress is known as cohesion surface tension compressibility adhesion cohesion surface tension compressibility adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQ (Hs - Hd) wQHs wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs wQHd wQ (Hs + Hd) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηo = ηh × ηm ηh = ηo × ηm None of these ηm = ηm × ηh ηo = ηh × ηm ηh = ηo × ηm None of these ηm = ηm × ηh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) 4flv²/2gd flv²/2gd flv²/gd 3flv²/2gd 4flv²/2gd flv²/2gd flv²/gd 3flv²/2gd ANSWER DOWNLOAD EXAMIANS APP
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