Hydraulic Machines MCQs

directly proportional to H1/2

inversely proportional to H1/2

directly proportional to H3/2

inversely proportional

to break the jet of water

to bring the runner to rest in a short time

to change the direction of runner

none of these

Yes

No

10 r.p.m.

20 r.p.m.

40 r.p.m.

80 r.p.m.

parallel

perpendicular

less than

more than

Correct

Incorrect

double

three times

four times

five times

Agree

Disagree

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