Rajkamal Sir (Engineers Platform) 📚📚

5. An instantaneous relay is

4. Back up protection is needed for

3. Percentage differential protection is used to prevent against

2. Earthing transformer is used to

1. Good relay should possess

4. In an orbital motion, the angular momentum vector is ___________

3. In a bicycle the radius of rear wheel is twice the radius of the front wheel. If rf and rr are the radii vf and vr are the speeds of top most points of wheels, then?

2. A solid sphere, a hollow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then, maximum acceleration down the plane is for (No rolling) is ___________

1. A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same, which one of the following will not be affected?