Conversion of Solids – MCQ

Advertisement

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

 

1. A solid iron rectangular block of dimensions 4.4 m, 2.6 m and 1 m is melted and cast into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. The length of the pipe will be

Question 1 of 20

2. A hemisphere of lead of radius 9 cm is cast into a right circular cone of height 72 cm. The radius of the base of cone is

Question 2 of 20

3. An iron ball of radius 10.5 cm is melted and recast into small cones, each of radius 3.5 cm and height 3 cm. The number of cones is

Question 3 of 20

4. The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 2 cm. The length of the wire is

Question 4 of 20

5. How many balls, each of radius 1 cm, can be made from a solid sphere of lead of radius 8 cm

Question 5 of 20

6. How many coins 1.75 cm in diameter & 2 mm thick must be melted to form a cuboid 11 cm x 10 cm x 7 cm?

Question 6 of 20

7. The largest sphere is curved out of a cube of a side 7 cm. Find the volume of the sphere.

Question 7 of 20

8. How many coins 1.75 cm in diameter & 2 mm thick must be melted to form a cuboid 11 cm x 10 cm x 7 cm?

Question 8 of 20

9. A hemispherical bowl of internal diameter 30 cm contains a liquid. The liquid is to be filled in cylindrical bottles of diameter 5 cm and height 6 cm. The number of bottles required to empty the bowl are

Question 9 of 20

10. A circular cylinder shaped container having diameter 24 cm and height 10 cm is full of ice-cream. The ice-cream is to be filled into cones of height 8 cm and diameter 4 cm, having a hemispherical shape on the top. The number of such cones which can be filled with ice-cream is

Question 10 of 20

11. A spherical shell of lead, whose external diameter is 18 cm, is melted and recast into a right circular cylinder, whose height is 8 cm and diameter 12 cm. The internal diameter of the shell is:

Question 11 of 20

12. The diameter of a copper sphere is 6 cm. The sphere is melted and recast into a wire. If the length of the wire is 36 cm, its radius is

Question 12 of 20

13. The number of lead balls each of radius1 cm, that can be formed from a sphere of radius 8 cm will be

Question 13 of 20

14. The largest possible sphere is carved out from a cube of 7 cm side. The volume of the sphere will be

Question 14 of 20

15. The material of a cone is converted into the shape of a cylinder of equal radius. If the height of the cylinder is 5 cm, then the height of the cone is

Question 15 of 20

16. If a solid right circular cone of height 24 cm and base radius 6 cm is melted and recast in the shape of a sphere, then the radius of the sphere is

Question 16 of 20

17. How many balls, each of radius 1 cm, can be made from a solid sphere of lead of radius 8 cm.

Question 17 of 20

18. A sphere of diameter 12 cm is dropped into a right circular cylindrical vessel partly filled with water. If the sphere is completely submerged in water, the water level in the cylindrical vessel rises by 2 cm, the radius of the cylindrical vessel will be

Question 18 of 20

19. A solid consists of a circular cylinder with an exact fitting circular cone placed at the top. The height of the cone is h. If the total volume of the solid is 3 times the volume of the cone, then the height of the circular cylinder is

Question 19 of 20

20. 2 cubes of volume 64 cm3 are joined end to end. Find the surface area of resulting cuboid.

Question 20 of 20

MCQ
Quiz

Leave a Reply

Your email address will not be published. Required fields are marked *

Advertisement