First slide

Power

Question

A pump motor is used to deliver water at a certain rate from a given pipe. To obtain twice as much water from the same pipe in the same time, power of the motor has to be increased to

Moderate

A

16 times
B

4 times
C

8 times
D

2 times

Solution

Power of a pump $= \frac{1}{2} {ρAv}^{3}$
To get twice amount of water from same pipe v has to be made twice. So power is to be made 8 times.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App