Volumes Practice Test 3

Question : 28 of 40

Marks: +1, -0

Water flows through a cylindrical pipe of internal diameter 7cm at 2m/s. If the pipe is always half full, then find the volume of water discharged in 10 minutes.

1160 l
2310 l
3850 l
4620 l

Validate

Solution:

Length of water column in 10 minutes = 2 × 10 × 60 × 100 cm
Since, volume of water discharged in 10 minutes =

{22}/7 × 7/2 × 7/2 × 2

× 10 × 60 × 100 c.c.
= 4620 × 1000 c.c.
= 4620 l

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