Question

cylindrical pipe has a diameter of 4 centimetre and water flows so it at the rate 20 m per minutehow long it would take to fill a conical tank of 40 m depth if depth is 72 CM

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Answer 1

Answer:

Step-by-step explanation:Given : Diameter of base of conical vessel = 80 cm

⇒ radius of base of conical vessel 

height of the conical vessel = 72 cm

 

Thus volume of conical vessels 

 =  38400 π cm3  ...  (1)

 

Let the conical vessel in filled in x minus than length of water column = 200 x m

⇒ length of cylinder = 2000 x cm

and diameter of pipe = 4 cm



 

∴ Volume of water that flows in x minutes = π × (2 cm)2 × 2000 x cm

 = 8000 π x cm3  ...  (2)

 

equating (1) and (2) we get

38400 π = 8000 π x



 = 4 minutes 48 seconds

 

Hence the conical vessel will be filled in 4 minutes 48 seconds

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Answer 2

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