# Engineering Drawing Questions and Answers – Sections of Spheres

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

1. A sphere is placed on H.P and section plane is parallel to H.P the section is circle and if the section plane is parallel to V.P the section is again circle.
a) True
b) False

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane however the section plane will lay section will be circle.

2. If a sphere is made to cut by a plane which is inclined to V.P when circle is on H.P the section formed will be an ellipse.
a) True
b) False

Explanation: No, when a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane however the section plane will lay section will be circle.

3. A sphere is on H.P and a section plane is perpendicular to both the reference planes is cutting the sphere such that the section divides the sphere to 14 th and 34 th part the front view and side view will be ___________
a) circle, line
b) ellipse, circle
c) line, ellipse
d) line, circle

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane however the section plane will lay section will be circle.
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4. A sphere is placed on V.P the section plane perpendicular to H.P and inclined to V.P cutting the sphere section formed and front view will be _______________
a) circle, line
b) circle, circle
c) ellipse, circle
d) circle, ellipse

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane however the section plane will lay section will be circle.

5. A sphere is cut by a plane at some distance from the longest diameter of it the section formed will be
___________
a) ellipse
b) circle
c) line
d) oval

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane here the views of minor parts give segment.

6. A hemi sphere is placed on H.P on its base a section plane which is perpendicular to H.P and inclined to V.P and cutting the hemisphere the section will be ___________
a) circle
b) ellipse
c) sector
d) segment

Explanation: Hemisphere is the half sphere. When a hemisphere is made to cut by a plane parallel to base the section formed will be circle. If the plane is inclined to base the section formed will be segment.

7. A hemi sphere is placed on H.P on its base a section plane which is parallel H.P and cutting the hemisphere section will be ___________
a) circle
b) ellipse
c) sector
d) segment

Explanation: Hemisphere is the half sphere. When a hemisphere is made to cut by a plane parallel to base the section formed will be circle. If the plane is inclined to base the section formed will be segment.

8. A sphere is cut be section placed which is parallel to H.P the top view and front view of section will be ___________
a) circle, line
b) line, circle
c) ellipse, line
d) line, ellipse

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane as here the plane is parallel to H.P the top view will be circle and front view will be line.

9. A sphere is cut by plane which is perpendicular to V.P and inclined to H.P the top view and section will be ___________
a) line, circle
b) line, ellipse
c) ellipse, circle
d) circle, ellipse

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane however the section plane will lay section will be circle.

10. A sphere is cut by plane which is perpendicular to V.P and inclined to H.P the top view and front view of minor part will be _________
a) circle, sector
b) line, circle
c) ellipse, segment
d) ellipse, sector

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here asked are views so it will be lines or ellipse according to section plane and also here asked views for minor part so segment will be front view in this condition.

11. A sphere is cut by a plane at the middle the plane is perpendicular to both reference planes the top view and front view will be _____________
a) line, circle
b) circle, line
c) line, line
d) circle, circle

Explanation: Given the plane is perpendicular to both the reference planes so the plane is parallel to picture plane so the section would also be parallel to picture plane as the section is a 2D figure the other view will give line obviously.

12. A sphere is cut by a plane which is inclined to both reference planes the top view and front view of section will be ____________
a) line, line
b) circle, circle
c) ellipse, circle
d) ellipse, ellipse

Explanation: When a sphere is cut by a plane, the true shape of the section is always a circle. But here it is asked view so they will be definitely ellipse since the section plane is inclined to both the reference planes.

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