A closed cylindrical tank of radius 7m and height 3m is made from a sheet of metal.How much sheet of metal is required?

It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square metres of the sheet are required for the same ?

The capacity of a closed cylindrical vessel of height 1m is 15.4 litres. How many square meters of metal sheet would be needed to make it.

A cylinderical tank of diameter 1.4 m and height 2.1 m is being fed by a pipe of dimater 3.5 cm through which water flows at the rate of 2m/s. calculate in minutes, the time taken to fill the tank.

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a frustum of a cone. If the total height is 22 cm, diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm, find the area of the tin sheet required to make the funnel (see Fig ).

A cylindrical tank of radius 10m is being filled with wheat at the rate of 314 cubic metre per hour. The depth of the wheat is increasing at the rate of

A hemispherical bowl of internal diameter 36 cm. contains a liquid. This liquid is to be filled in cylindrical bottles of radius 3 cm and height 6 cm. How many bottles are required to empty the bowl?

A one side open cylinderical drum has inner radius 28 cm, and height 2.1 m .How much water you can store in the drum . Express in litres .( 1 litre= 1000cc. )