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 541hard
For a square key made of mild steel, the shear and crushing strength are related as
Question 542easy
The dynamic tooth load is due to
Question 543hard
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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Question 544hard
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
Question 545hard
In a partial journal bearing, the angle of contact of the bearing with the journal is
Question 546hard
In a full journal bearing, the angle of contact of the bearing with the journal is
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Question 547hard
If a bearing is designated by the number 305, it means that the bearing is of
Question 548hard
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
Question 549medium
The static tooth load should be __________ the dynamic load.