395) Gears are casted by

396) When a cylinder is subjected to a very high internal fluid pressure, the thin cylinder should be used.

397) In a full journal bearing, the angle of contact of the bearing with the journal is

398) 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

399) A cotter joint is used to connect two __________ rods.