List of top Mechanical Engineering Questions asked in TS PGECET

The loss of potential energy of an elevator coming down from the top of the building to a stop at the ground floor is
The loss of potential energy of an elevator coming down from the top of the building to a stop at the ground floor is:
A mass 'M' is attached at the end of a string whose length is 'L' and whirled at a constant speed in vertical circle. Generally, the tension in the string is minimum when the mass is