Hydraulic Machines MCQs

They have slow speeds.

They are suitable even for low water heads.

They give constant efficiency, even if the discharge is not constant

all of the above

speed and power developed

discharge and power developed

speed and head of water

speed, power developed

0.15 to 0.3

0.4 to 0.5

0.6 to 0.9

1 to 1.5

casing

delivery pipe

suction pipe

impeller

an axial flow

an inward flow

an outward flow

a mixed flow

Yes

No

the water flows parallel to the axis of the wheel

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

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

the flow of water is p

power produced by the turbine to the energy actually supplied by the turbine

actual work available at the turbine to energy imparted to the wheel

workdone on the wheel to the energy (or head of water) actually supplied to the turbine

none of the above

Screw pump

Gear pump

Cam and piston pump

Plunger pump

low head of water

high head of water

medium head of water

high discharge