Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) 0.75v²/2g 0.375v²/2g v²/2g 0.5v²/2g 0.75v²/2g 0.375v²/2g v²/2g 0.5v²/2g 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 None of these ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm None of these ηm = ηm × ηh ηh = ηo × ηm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR²/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of pressure compared to e.g. is at same point above or below depending on area of body above it below it at same point above or below depending on area of body above it below it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will float rise until its weight equals the buoyant force tend to move downward and it may finally sink None of these float rise until its weight equals the buoyant force tend to move downward and it may finally sink None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The width of the bucket for a Pelton wheel is generally ________ the diameter of jet. Double Four times Five times Three times Double Four times Five times Three times ANSWER DOWNLOAD EXAMIANS APP
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