Q. The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that

View solution

Q. In a marine flange coupling, the thickness of flange is taken as

View solution

Q. The wire ropes make contact at

View solution

Q. The metal suitable for bearings subjected to heavy loads is

View solution

Q. The V-belts are particularly suitable for __________ drives.

View solution

Q. For hardening alloy steels and high speed steels, they are heated to

View solution

Q. An universal coupling is used to connect two shafts

View solution

Q. Which one of the following is a positive drive?

View solution

Q. Two closely coiled helical springs with stiffnesses k1 and k2 respectively are connected in series. The stiffness of an equivalent spring is given by

View solution

Q. The period during which the cam follower remains at rest, when cam moves, is known as

View solution

Q. The flank of the tooth is the

View solution

Q. The included angle for the British Association thread is

View solution

Q. If a bearing is designated by the number 305, it means that the bearing is of

View solution

Q. Tapered roller bearings can take

View solution

Q. In order to remove internal stresses produced by hardening the steel, the process usually adopted is

View solution

Q. A pressure vessel is said to be a thin shell, if the ratio of wall thickness to its diameter is equal to 1/10.

View solution

Q. A bolt of uniform strength can be developed by

View solution

Q. The ratio of endurance limit in shear to the endurance limit in flexure is

View solution

Q. The lower deviation is the algebraic difference between the

View solution

Q. When plates are fastened by a rivet, the holes in the plates should be made by punching and reaming.

View solution