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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-5 section-6

Each section contains 100 MCQs on Machine Design .
41
For a square key made of mild steel, the shear and crushing strength are related as
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Answer & Solution
Answer: Option A
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42
The dynamic tooth load is due to
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Answer & Solution
Answer: Option D
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43
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be
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Answer & Solution
Answer: Option C
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44
The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is
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Answer & Solution
Answer: Option B
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45
In a partial journal bearing, the angle of contact of the bearing with the journal is
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Answer & Solution
Answer: Option A
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46
In a full journal bearing, the angle of contact of the bearing with the journal is
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Answer & Solution
Answer: Option D
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47
If a bearing is designated by the number 305, it means that the bearing is of
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Answer & Solution
Answer: Option B
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48
In a flat belt drive, if the slip between the driver and belt is 1%, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be
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Answer & Solution
Answer: Option A
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49
The static tooth load should be __________ the dynamic load.
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Answer & Solution
Answer: Option C
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50
The wear load should be __________ the dynamic load.
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Answer: Option B
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