Machine Design MCQs
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 172hard
In a marine flange coupling, the pitch circle diameter of bolts is taken as
Question 173hard
A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing.
Question 174medium
In a steam engine, the valve rod is connected to an eccentric rod by means of
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Question 175hard
An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by
Question 176easy
Cap screws are
Question 177easy
All stresses produced in a belt are
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Question 178hard
The included angle for the British Association thread is
Question 179medium
The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called
Question 180medium
In nitrated parts, the origins of the fatigue cracks will occur at