# Engineering Drawing Questions and Answers – Sections of Cylinders

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This set of Engineering Drawing Multiple Choice Questions & Answers (MCQs) focuses on “Sections of Cylinders”.

1. A cylinder is placed on H.P on its base and section plane is parallel to V.P cutting the solid the section gives ______________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Cylinder is formed by rotating the rectangle about one of its sides which is said to axis further. So if the cutting plane is parallel to axis the section formed is rectangle and if plane is perpendicular to axis it gives circle.

2. A cylinder is placed on H.P on its base and section plane is parallel to H.P cutting the solid the section gives ______________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Cylinder is formed by rotating the rectangle about one of its sides which is said to axis further. So if the cutting plane is parallel to axis the section formed is rectangle and if plane is perpendicular to axis it gives circle.

3. A cylinder is placed on H.P on its base and section plane is inclined to V.P and perpendicular to H.P cutting the solid the section gives ______________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Cylinder is formed by rotating the rectangle about one of its sides which is said to axis further. So if the cutting plane is parallel to axis the section formed is rectangle and if plane is perpendicular to axis it gives circle.
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4. A cylinder is placed on H.P on its base and section plane is inclined to H.P and perpendicular to V.P cutting only less than half of the generators of the solid the section gives ______________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: If a cylinder is been cut by plane which is inclined to base or axis if it cuts all the generator the section formed will be ellipse and if the plane cuts less than half of generators the section formed will be parabola.

5. A cylinder is placed on V.P on its base and section plane is inclined to V.P and perpendicular to H.P cutting all the generators of the solid the section gives ______________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: If a cylinder is been cut by plane which is inclined to base or axis if it cuts all the generator the section formed will be ellipse and if the plane cuts less than half of generators the section formed will be parabola.

6. A cylinder is placed on V.P on its base and section plane is inclined to H.P and perpendicular to V.P cutting the solid the section gives ______________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Cylinder is formed by rotating the rectangle about one of its sides which is said to axis further. So if the cutting plane is parallel to axis the section formed is rectangle and if plane is perpendicular to axis it gives circle.

7. A cylinder is been cut by a plane parallel to its base the section will be _________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Cylinder is formed by rotating the rectangle about one of its sides which is said to axis further. So if the cutting plane is parallel to axis the section formed is rectangle and if plane is perpendicular to axis it gives circle.

8. A cylinder is been cut by a plane parallel to axis the section will be ________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Cylinder is formed by rotating the rectangle about one of its sides which is said to axis further. So if the cutting plane is parallel to axis the section formed is rectangle and if plane is perpendicular to axis it gives circle.

9. A cylinder is been cut completely by a plane inclined to base then the section will be__________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: If a cylinder is been cut by plane which is inclined to base or axis if it cuts all the generator the section formed will be ellipse and if the plane cuts less than half of generators the section formed will be a parabola.

10. A cylinder is kept in such a way its axis is parallel to both the reference planes and cut completely by a section plane is perpendicular to V.P and inclined to H.P then the section will be __________
a) parabola
b) circle
c) rectangle
d) ellipse

Explanation: Given a cylinder is placed on profile plane or picture plane and is been cut by a cutting plane inclined to axis as per conditions that is cutting all generators which definitely give ellipse as a section.

11. A cutting plane cut the cylinder into half diagonally touching both the bases at corners the section and side view of 1 part of cylinder is ____________
a) ellipse, circle
b) ellipse, rectangle
c) ellipse, triangle
d) closed figure formed by 2 parallel line bounded by 2 similar arcs, triangle

Explanation: Given a cylinder is been cut diagonally from one corner of 1st base to other corner of 2nd base as we can imagine it is just cutting a plane inclined to axis that is cutting all generators which definitely give ellipse as section and side view will be triangle, top view will be a circle.

12. A cylinder is placed on V.P and the section plane is parallel to H.P cutting the solid into two equal parts the front view of the 1st part of cylinder will be _____________
a) circle
b) ellipse
c) rectangle
d) semi-circle

Explanation: Given the cylinder is placed on V.P on its base and the section plane is parallel to H.P cutting the solid into two equal parts. In this case the side view, front view shows the section plane as line cutting the cylinder into 2 halves and show rectangle and semicircle.

13. A cylinder is placed on V.P on its base and the section plane is parallel to H.P cutting the solid into two equal parts the top view of the 1st part of cylinder will be _________
a) rectangle of width equal to half of diameter of cylinder
b) rectangle of width equal to diameter of cylinder
c) circle of diameter equal to that of cylinder
d) semicircle with diameter equal to that of cylinder

Explanation: Given the cylinder is placed on V.P on its base and the section plane is parallel to H.P cutting the solid into two equal parts. In this case the side view, front view shows the section plane as line cutting the cylinder into 2 halves and show rectangle and semicircle but top view shows the rectangle of width equal to diameter of the cylinder.

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