Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and zero near the walls Maximum at the centre and minimum near the walls Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and zero near the walls Maximum at the centre and minimum near the walls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted About 2.5 m above the tail race to avoid cavitations Little above the tail race At the level of tail race Slightly below the tail race About 2.5 m above the tail race to avoid cavitations Little above the tail race At the level of tail race Slightly below the tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Reciprocating Centrifugal Axial flow Mixed flow Reciprocating Centrifugal Axial flow Mixed flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is Inversely proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Directly proportional to diameter of its impeller Inversely proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Directly proportional to diameter of its impeller Inversely proportional to (diameter)² of its impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg × hf H = Hg + hf H = Hg/hf H = Hg - hf H = Hg × hf H = Hg + hf H = Hg/hf H = Hg - hf ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS