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.

400) A bolt has

401) The material commonly used for machine tool bodies is

402) The power transmitted by a belt drive is maximum when the maximum tension in the belt is __________ the centrifugal tension.