McqMate
Sign In
Hamberger menu
McqMate
Sign in
Sign up
Home
Forum
Search
Ask a Question
Sign In
McqMate Copyright © 2026
→
Civil Engineering
→
Hydraulics Machines
→
The efficiency of a Pelton wheel working...
Q.
The efficiency of a Pelton wheel working under constant head
A.
remains same
B.
increases
C.
decreases
Answer» B. increases
2.9k
0
Do you find this helpful?
13
View all MCQs in
Hydraulics Machines
Discussion
No comments yet
Login to comment
Related MCQs
A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is
A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is
The overall efficiency for a Pelton wheel lies between
A Pelton wheel is
The depth of the bucket for a Pelton wheel is generally
The width of the bucket for a Pelton wheel is generally
A double overhung Pelton wheel has
The power of a centrifugal pump working under constant head and discharge increases with the speed.
In a reaction turbine, the pressure head of water, while flowing over the vanes, is converted into kinetic head before leaving the wheel.
The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is