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Machine Design MCQs

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Practice free Machine Design multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 836 questions — no login required.

Question 1hard
A cotter joint is used to connect two __________ rods.
Question 2medium
The rated life of a bearing varies
Question 3medium
The bending stress in a curved beam is
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Question 4medium
The centre to centre distance between two consecutive rivets in a row, is called
Question 5medium
In a gear, having Involute teeth, the normal to the Involute is a tangent to the
Question 6hard
According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)
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Question 7medium
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.
Question 8medium
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for
Question 9easy
Transverse fillet welded joints are designed for