Q. According to Indian standard specifications, a grey cast iron designated by 'FG 200' means that the

View solution

Q. When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring)

View solution

Q. The product of the diametral pitch and module is equal to one.

View solution

Q. The static tooth load should be __________ the dynamic load.

View solution

Q. Power screws are used to convert rotary motion into translatory motion.

View solution

Q. The function of the washer is to

View solution

Q. Multiple threads are used to secure

View solution

Q. The fatigue limit of a material is greatly decreased by poor surface conditions.

View solution

Q. The value of Lewis form factor used in design of gears is

View solution

Q. The maximum bending stress in a curved beam having symmetrical section always occur at the

View solution

Q. In radial bearings, the load acts __________ to the axis of rotation.

View solution

Q. In a butt welded joint, the size of weld is __________ the throat of weld.

View solution

Q. Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation?

View solution

Q. Which of the following cotter joint will be used to connect strap end of a connecting rod ?

View solution

Q. When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

View solution

Q. Which of the following bearing is preferred for oscillating conditions?

View solution

Q. A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt, is the tensile stress for the shell material, then thickness of shell is equal to

View solution

Q. A quarter turn belt drive is used when the shafts are arranged at right angles and rotate in one definite direction.

View solution

Q. According to Indian standard specifications, a plain carbon steel designated by 40C8 contains carbon

View solution

Q. The machine screws are

View solution