An electric pump is used to fill an overhead talk of capacity 
kept at a height of 
above the ground. If the pump takes 5 minutes to fill the tank by consuming 
power the efficiency of the pump should be (Take 
)
a)
60%
b)
40%
c)
20%
d)
30%
An electric pump is used to fill an overhead talk of capacity kept at a height of above the ground. If the pump takes 5 minutes to fill the tank by consuming power the efficiency of the pump should be (Take )
a)
60%
b)
40%
c)
20%
d)
30%
Question ID - 51052 | SaraNextGen Top Answer
An electric pump is used to fill an overhead talk of capacity kept at a height of above the ground. If the pump takes 5 minutes to fill the tank by consuming power the efficiency of the pump should be (Take )
a)
60%
b)
40%
c)
20%
d)
30%
|
An electric pump is used to fill an overhead talk of capacity |
|||||||
|
a) |
60% |
b) |
40% |
c) |
20% |
d) |
30% |
1 Answer
127 votes
Answer Key / Explanation : (d) -
|
(d) Work done in raising water
|
( volume 
density) 
Useful power 
Efficiency 
127 votes
Answer Link
127