Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is one-fourth its value when cylinder was full cannot be predicted from the given data zero one-half its value when cylinder was full one-fourth its value when cylinder was full cannot be predicted from the given data zero one-half its value when cylinder was full 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
Hydraulics and Fluid Mechanics in ME The units of kinematic viscosity are metres² per sec newton-sec per meter newton-sec per meter kg sec/meter metres² per sec newton-sec per meter newton-sec per meter kg sec/meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 0.8 1.2 1 1.6 0.8 1.2 1 1.6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 (225)1/3 minutes 4 x V225 minutes 4 minutes 4 x (225)3/2 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 minutes 4 x (225)3/2 minutes ANSWER DOWNLOAD EXAMIANS APP