Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

A. A flow whose streamline is represented by a curve is called two dimensional flow.

B. The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy.

C. The length of divergent portion in a Venturimeter is equal to the convergent portion.

D. A pitot tube is used to measure the velocity of flow at the required point in a pipe.

A. The reaction turbines are used for low head and high discharge

B. The angle of taper on draft tube is less than 8°

C. An impulse turbine is generally fitted slightly above the tail race

D. A Francis turbine is an impulse turbine

A. Be horizontal

B. Make an angle in direction of inclination of inclined plane

C. Make an angle in opposite direction to inclination of inclined plane

D. Any one of above is possible

A. Pressure, velocity and temperature

B. Shear stress and rate of shear strain

C. Shear stress and velocity

D. Rate of shear strain and temperature

A. Same as

B. Less than

C. More than

D. None of these

A. It is the best liquid

B. The height of barometer will be less

C. Its vapour pressure is so low that it may be neglected

D. Both (B) and (C)

A. Length of both the pipes is same

B. Diameter of both the pipes is same

C. Loss of head and discharge of both the pipes is same

D. Loss of head and velocity of flow in both the pipes is same

A. Meta centre should be above e.g.

B. Centre of buoyancy and e.g. must lie on same vertical plane

C. A righting couple should be formed

D. All of the above

A. Speed and power developed

B. Discharge and power developed

C. Speed and head of water

D. Speed, power developed and head of water

A. At full load

B. At which there will be no damage to the runner

C. Corresponding to maximum overload permissible

D. At which the turbine will run freely without load