Page 89 - WCS - Electrical
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WORKSHOP CALCULATION & SCIENCE - CITS



                                       Diameter of the ball    = 2 x r

                                                             = 2 x 3
                                                             = 6 cm



            Assignment


           Cube
           1  Find the diagonal, lateral surface area, total surface area and volume of cube, whose side is 15 cm.
           2  Find the volume of 10 cubes where each side is 5 cm.
           3  Find its volume if a solid cube has each of its sides 60 mm long.

           4  What is its side if the total surface area of a cube is 384 m².
           Cuboid
           1  Find the volume of the tank in m³, if the length is 60 m, breadth 40 m and height 20 m.
           2  Find the volume of a C.I. casting of a rectangular block having 25 cm x 20 cm x 8 cm size.

           3  Calculate the total surface area of a box whose length, width and height are 120 cm, 50 cm and 60 cm
              respectively.
           4  Find the volume of the sheet if a brass sheet is of 25 cm square and 0.4 cm thick.
           Cylinder

           1  Find the curved surface area of cylinder whose diameter  is 18 cm and height 34 cm?
           2  Find the total surface area of cylinder whose diameter is 24 cm and height 40 cm?
           3  Find out the volume of cylinder whose base is 10 cm radius and height is 40 cm?
           Sphere
           1  Find the volume of sphere having diameter 3.5cm?

           2  Find the total surface area of a sphere having radius 1.75 cm?
           3  How many spherical balls of 1 cm radius can be made from a sphere of 16 cm diameter.
           4  Three balls of diameter 2m, 4cm and 6 cm are melted and made into one solid ball.  If there is no wastage, find
              the diameter of solid ball.































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                                            CITS : WCS - Electrical - Exercise 6
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