Q. Surface endurance limit of gear material is dependent upon its

View solution

Q. In radial cams, the follower moves

View solution

Q. The square threads are not so strong as V-threads but they offer less frictional resistance to motion than Whitworth threads.

View solution

Q. According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)

View solution

Q. In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

View solution

Q. The value of stress concentration factor depends upon

View solution

Q. The sleeve or muff coupling is designed as a

View solution

Q. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.

View solution

Q. Screws used for power transmission should have

View solution

Q. The number of rivets in shear shall be equal to the number of rivets in crushing.

View solution

Q. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

View solution

Q. The toughness of a material __________ when it is heated.

View solution

Q. The number of slots in a 25 mm castle nut is

View solution

Q. A screw is said to be over hauling screw, if its efficiency is

View solution

Q. The application of third type levers is found in

View solution

Q. For unequal width of butt straps, the thickness of butt straps are

View solution

Q. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

View solution

Q. Slenderness ratio is the ratio of

View solution

Q. A crankshaft is a __________ shaft.

View solution

Q. According to Indian standard specifications, 100 H6/g5 means that the

View solution