1. Volume of circular cylinder of height “h” and radius r is:
(A) 2πrh
(B) πrh
(C) πr²h
(D) 2πr²h
2. Lateral surface area of right circular cylinder is:
(A) 2πr
(B) πrh
(C) 2πrh
(D) πr²
3. Volume of hollow cylinder if R and r are external and internal radii respectively is:
(A) π(R − r)
(B) 2π(R² − r²)
(C) π(R² − r²)h
(D) π(R − r)h
4. Volume of an elliptic cylinder is:
(A) πab
(B) πabh
(C) π(a + b)h
(D) abh
5. If 20 and 10 are the major and minor axes respectively, then volume of an elliptic cylinder of height 5 m is:
(A) 1000π
(B) 250π
(C) 200π
(D) 100π
6. Volume of right circular cylinder of height 10 cm and diameter 4 cm is:
(A) 40π
(B) 160π
(C) 80π
(D) 4π