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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-9 section-1

Each section contains 100 MCQs on Machine Design .
81
For high speed engines, the cam follower should move with
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
82
For low and moderate speed engines, the cam follower should move with
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
83
According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
84
Taper on the cotter and slot is provided
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
85
The washer is generally specified by its
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
86
A screw is specified by its
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
87
The ratio of pitch circle diameter in millimeters to the number of teeth, is called
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
88
In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
89
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
90
The centrifugal tension in belts
Discuss
Answer & Solution
Answer: Option D
Solution:
The centrifugal tension in belts increases the belt tension without increasing power transmission.

Key Points:
Centrifugal Tension: This tension is caused by the rotation of the belt and acts to stretch it.
Effect: While it increases the overall belt tension, it does not contribute to the power transmitted between the driving and driven pulleys.
Impact on Power Transmission: The centrifugal tension can reduce the effective tension available for power transmission because it adds to the total belt tension, which can affect the belt’s grip and efficiency.