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

Q. A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress)

View solution

Q. In second type of levers,

View solution

Q. Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

View solution

Q. In a flange coupling, the flanges are coupled together by means of

View solution

Q. A transmission shaft includes

View solution

Q. According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)

View solution

Q. Which of the following material has the maximum ductility?

View solution

Q. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

View solution

Q. In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.

View solution

Q. An open belt drive is used when

View solution