ISRO Mechanical Exam: Machine Design Quiz

A screw having coefficient of friction equal to or greater than the tangent of the load angle is known as

To ensure self locking in a screw jack, it is essential that helix angle is

In the gear train of 1.10 as shown in the figure the pinion transmits 250 kw at 1800 rpm. What is the tangential load on the gear tooth

Ratio of pitch circle diameter in millimetres to the number of teeth, is known as

The effective diameter of an external or internal screw thread, is known as