Q. When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to

View solution

Q. In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

View solution

Q. A connecting rod is designed as a

View solution

Q. The cross-section of the arm of a bell crank lever is

View solution

Q. The rocker arms in internal combustion engines are of first type levers.

View solution

Q. A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be

View solution

Q. The longitudinal stress is __________ of the circumferential stress.

View solution

Q. The expression 0.175 - 0.841/T is the Lewis form factor for

View solution

Q. A screw will be self locking, if

View solution

Q. The maximum shear stress theory is used for

View solution

Q. In a crossed belt drive, the shafts are arranged parallel and rotate in the same directions.

View solution

Q. In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as

View solution

Q. Idler pulley is used for

View solution

Q. The bell crank levers used in railway signalling arrangement are of third type levers.

View solution

Q. When spring index increases, the value of Wahl's stress factor

View solution

Q. The rolling contact bearings are known as

View solution

Q. The backlash for spur gears depends upon

View solution

Q. The size of a gear is usually specified by

View solution

Q. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be

View solution

Q. The bearings of heavy series have capacity __________ over the medium series.

View solution