Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 10-15° 50-60° 20-25° 30-40° 10-15° 50-60° 20-25° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is more than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc 1 kg 1000 kg 10 kg 100 kg 1 kg 1000 kg 10 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Inversely as density Inversely as square root of density Directly as the air or gas density As square of density Inversely as density Inversely as square root of density Directly as the air or gas density As square of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler’s dimensionless number relates the following inertial force and gravity viscous force and inertial force viscous force and buoyancy force pressure force and inertial force inertial force and gravity viscous force and inertial force viscous force and buoyancy force pressure force and inertial force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It is incompressible It has zero viscosity It has uniform viscosity It is at rest It is incompressible It has zero viscosity It has uniform viscosity It is at rest ANSWER DOWNLOAD EXAMIANS APP