Q. When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

View solution

Q. A shoe brake is commonly used in railway trains.

View solution

Q. A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

View solution

Q. The design of pin of a rocker arm of an I.C. engine is based on

View solution

Q. For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

View solution

Q. A wood-ruff key is

View solution

Q. In a V-belt drive, the belt makes contact at the bottom of the groove of the pulley.

View solution

Q. According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as

View solution

Q. According to maximum normal stress theory, the maximum normal stress in the shaft is

View solution

Q. When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be

View solution

Q. In designing a connecting rod, it is considered like __________ for buckling about Y-axis.

View solution

Q. A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.

View solution

Q. A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is

View solution

Q. The radial stress across the thickness of a thick cylinder is maximum at the inner surface and zero at the outer surface.

View solution

Q. The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

View solution

Q. The resilience of a bolt may be increased by

View solution

Q. In worm, gears, pitch lead angle is

View solution

Q. In worm gears, the pressure angle is half the angle between two inclined faces in axial plane.

View solution

Q. For crank shaft bearings, the ratio of the length of the journal to its diameter is less than unity.

View solution

Q. Lewis equation in gears is used to find the

View solution