Question

An engine is used to fill a tank by taking water from a depth of 80 m. If the average horsepower of the engine is 3500 and its efficiency is 75% then how much water passes through the pipe in one hour?( g= 10m/s^2) Ans- 88.5 * 10^5 kg)..................how????....please answer

Answer 1

Answer:

Let Volume of Tank be V

pipe A can fill the tank

6

V

in 1 Hour

pipe B can fill the tank

8

V

in 1 Hour

Let us assume that C can fill the tank

C

V

in 1 Hour

and we need to fill the tank

2

V

in 1 Hour as we have to fill the complete tank in 2 Hrs

⇒

6

V

+

8

V

+

C

V

=

2

V

⇒

6

1

+

8

1

+

C

1

=

2

1

solving we get C=

5

24

hrs

Rate of Pumping is

5

24

V

Time to fill the Tank when C is used alone=

5

24

=4.8hrs

Explanation:

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