Top 50+ Solved Hydraulics Machines MCQ Questions Answer

a. Suction lift + Loss of head in suction pipe due to driction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

b. Workdone per kN of water - Losses within the impeller

c. Energy per kN at outlet of impeller - Energy per kN at inlet of impeller

d. all of the above

a. power absorbing machines

b. power developing machines

c. energy transfer machines

d. energy generating machines

a. energy available at the impeller to the energy supplied to the pump by the prime mover

b. actual workdone by the pump to the energy supplied to the pump by the prime mover

c. energy supplied to the pump to the energy available at the impeller

d. manometric head to the energy supplied by the impeller per kN of water

a. Correct

b. Incorrect

a. two jets

b. two runners

c. four jets

d. four runners

a. Agree

b. Disagree

a. slow speed with radial flow at outlet

b. medium speed with radial flow at outlet

c. high speed with radial flow at outlet

d. high speed with mixed flow at outlet

a. directly proportional to diameter of its impeller

b. inversely proportional to diameter of its impeller

c. directly proportional to (diameter)2 of its impeller

d. inversely proportional to (diameter)2 of its impeller

a. the water flows parallel to the axis of the wheel

b. the water enters at the centre of the wheel and then flows towards the outer periphery of the wheel

c. the water enters the wheel at the outer periphery and then flows towards the centre of the wheel

d. the flow of water is partly radial and partly axial

a. Pelton wheel

b. Francis turbine

c. Kaplan turbine

d. none of these

a. an axial flow

b. an inward flow

c. an outward flow

d. a mixed flow

a. True

b. False

a. True

b. False

a. True

b. False

a. 0.15 to 0.3

b. 0.4 to 0.5

c. 0.6 to 0.9

d. 1 to 15