Question

A Pelton wheel turbine (at maximum efficiency) is designed for a water head H of 208...

A Pelton wheel turbine (at maximum efficiency) is designed for a water head H of 208 ft. The wheel having a diameter of 7 ft with a rotating speed of the wheel is 150 rpm.

The nozzle efficiency is:

Select one:

a. 0.8

b. 0.86

c. 0.9

d. 0.95

Engineering   Mechanical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

option C is correct.

here is explanation.

Your feedback matter the most.

please Rate.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
TURBINE IMPULSE - PELTON WHEEL QUESTION 1: The nozzles of a 4-jet Pelton wheel turbine, each...
TURBINE IMPULSE - PELTON WHEEL QUESTION 1: The nozzles of a 4-jet Pelton wheel turbine, each have a diameter of 125 mm and the velocity of each water jet is 96 m/s. The available head at the nozzles is 500 m. The blade velocity is 46% of the jet velocity. The turbine has a hydraulic efficiency of 85% (i.e. nozzles included). The friction across the buckets is 6% from entry to exit. Sketch the vector diagram showing all details. Calculate:...
Consider an e-bike is designed according to EN 15194 standard (pedal assisted and all electric driving...
Consider an e-bike is designed according to EN 15194 standard (pedal assisted and all electric driving modes with the maximum 250W rated output power and electric motor assist is cut-off at 25km/h). Assume the mass of the bicycle is 24 kg (including electric motor and battery) and the mass of rider is 75 kg. The rolling resistance coefficient of bike tyres is 0.007. The bike is using a direct drive brushless DC motor (hub motor) mounted in 29 inch-rear wheel...
1) 20 kg/min water at 20º C is mixed adiabatically with 40 kg/min water at 80...
1) 20 kg/min water at 20º C is mixed adiabatically with 40 kg/min water at 80 ºC. What is the outlet water temperature? Select one: a. 80 °C b. 60 °C c. 50 °C d. 70 °C 2) Steam at 0.8 MPa and 500 ºC is throttled over a well insulated valve to 0.6 MPa, what is the outlet temperature Select one: a. 450 ºC b. 500 ºC c. DOF>0 d. 400 ºC 3) Humid air at 70 C and...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT