324) When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

325) In a butt welded joint, the size of weld is __________ the throat of weld.

326) Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation?

327) Which of the following cotter joint will be used to connect strap end of a connecting rod ?

328) When the screw in a mechanical screw jack rotates, the load kept on the top of it moves