Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 200 kg/m3 800 kg/m3 600 kg/m3 400 kg/m3 200 kg/m3 800 kg/m3 600 kg/m3 400 kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/4 L/2 L L/3 L/4 L/2 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in increase in viscosity of liquid increase in viscosity of gas decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of liquid increase in viscosity of gas decrease in viscosity of liquid decrease in viscosity of gas ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z - p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as viscosity adhesion surface tension cohesion viscosity adhesion surface tension cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the Mach number is between 1 and 6 Discharge is difficult to measure Velocity of flow is very high None of these Mach number is between 1 and 6 Discharge is difficult to measure Velocity of flow is very high None of these ANSWER DOWNLOAD EXAMIANS APP