Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Critical velocity Super-sonic velocity Velocity of approach Sub-sonic velocity Critical velocity Super-sonic velocity Velocity of approach Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids remains same shows erratic behaviour decreases increases remains same shows erratic behaviour decreases increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure less than atmospheric pressure is known as All of the listed here Suction pressure Vacuum pressure Negative gauge pressure All of the listed here Suction pressure Vacuum pressure Negative gauge pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Pressure head - (kinetic head + potential head) Kinetic head - (pressure head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head Pressure head - (kinetic head + potential head) Kinetic head - (pressure head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately 30 mm 20 mm 5 mm 10 mm 30 mm 20 mm 5 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine To transport water to downstream To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine To transport water to downstream ANSWER DOWNLOAD EXAMIANS APP