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Machine Design MCQ Questions & Answers | Mechanical Engineering

Learn Machine Design MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Machine Design MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-6 section-6

Each section contains 100 MCQs on Machine Design .
51
In designing a key, it is assumed that the distribution of forces along the length of key
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Answer & Solution
Answer: Option B
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52
The bearings of medium series have capacity __________ over the light series.
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Answer: Option C
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53
If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will
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Answer: Option C
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54
The effective stress in wire ropes during normal working is equal to the stress due to
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Answer: Option A
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55
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
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Answer & Solution
Answer: Option A
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56
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
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Answer: Option D
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57
The crest diameter of a screw thread is same as
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Answer: Option A
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58
The maximum efficiency of a square threaded screw is
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Answer: Option A
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59
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
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Answer: Option D
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60
The connecting rod bolts are tightened up so that tightening stress
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Answer: Option B
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