The boilers are used in thermal power plants to store water and then used to produce steam

Mensuration (10)

The boilers are used in thermal power plants to store water and then used to produce steam.  One such boiler consists of a cylindrical part in middle and two hemispherical parts at its both ends. Length of the cylindrical part is 7m and radius of cylindrical part is 7/2 m.

Find the total surface area and the volume of the boiler. Also, find the ratio of the volume of cylindrical part to the volume of one hemispherical part.

 

Answer

Exam Year: 2023