This set of Engineering Drawing Multiple Choice Questions & Answers (MCQs) focuses on “Basics of Planes”. 1. Oblique planes come under ________________ a) planes perpendicular to both reference planes b) planes perpendicular to one reference plane and inclined to other reference plane c) planes inclined to both the reference planes d) planes parallel to one reference plane and perpendicular to other reference plane View Answer Answer: c 2. The planes which are perpendicular to both the reference plane (horizontal and vertical) are visible clearly only if we watched from ___________ a) front view b) top view c) side view d) isometric view View Answer Answer: c 3. A plane is held parallel to horizontal plane in which view we can watch drawing on that plane? a) Top view b) Front view c) Back view d) Side view View Answer Answer: a 4. A circle is placed at 20 degrees with vertical the view from top view will be __________ a) line b) circle c) ellipse d) oval View Answer Answer: c 5. A square is held 30 degrees with horizontal plane and turned 30 degrees with respect to vertical plane keeping earlier condition constant. The top view will be ________________ a) line b) square c) rectangle d) parallelogram View Answer Answer: c
Check this: Engineering Drawing Books 6. A square is held 30 degrees with horizontal plane and turned 30 degrees with respect to vertical plane keeping earlier condition constant. The front view will be _____________ a) line b) square c) rectangle d) parallelogram View Answer Answer: d 7. A triangle is placed perpendicular to both the reference planes (horizontal and vertical plane) which of the following statement is true. a) Front view-line, top view- triangle b) Front view-triangle, top view- line c) Front view –line, top view-line d) Front view-triangle, side view- line View Answer Answer: c 8. When a plane is perpendicular to both the reference planes, its traces are perpendicular to ______________ a) xy reference line b) lines on horizontal plane c) lines on vertical plane d) lines on given plane View Answer Answer: a 9. A plane perpendicular to vertical plane and inclined to horizontal plane then the vertical trace of that plane will be _____________ a) parallel to horizontal plane b) perpendicular to horizontal plane c) parallel to xy reference line d) inclined to horizontal plane View Answer Answer: d 10. A plane parallel to vertical plane then which of the following is false statement. a) vertical trace will not present b) horizontal trace is parallel to xy c) front view give true shape and size d) top view give true shape and size View Answer Answer: d 11. When a plane is perpendicular to a reference plane, its projection on that plane shows its true shape and size. a) True b) False View Answer Answer: b 12. The traces of plane are not intersecting at xy reference line then the plane is __________ a) inclined to H.P and perpendicular to V.P b) parallel to H.P and perpendicular to V.P c) perpendicular to both reference planes d) inclined to V.P and perpendicular to H.P View Answer Answer: b Sanfoundry Global Education & Learning Series – Engineering Drawing. To practice all areas of Engineering Drawing, here is complete set of 1000+ Multiple Choice Questions and Answers. Next Steps:
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn. Subscribe to his free Masterclasses at Youtube & technical discussions at Telegram SanfoundryClasses.
20 Questions 20 Marks 24 Mins
Explanation: When a line is parallel to one plane and inclined to the other, the projection of the line on the plane to which it is parallel will show its true length. The projected length on the plane to which it is inclined will always be shorter than the true length.
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