Machine Design MCQs

2.5

2.8

3

3.5

zero film bearing

boundary lubricated bearing

hydrodynamic lubricated bearing

hydrostatic lubricated

10°-20°

30°-40°

40°-60°

60°-80°

length of path of contact to the circular pitch

length of arc of contact to the circular pitch

length of arc of approach to the circular pitch

length of arc of reces

d

1.5 d

2 d

2.5 d

TRUE

FALSE

Correct

Incorrect

shaft B is better than shaft A

shaft A is better than shaft B

both the shafts are equally good

TRUE

FALSE

elastic limit

Young’s modulus

ultimate tensile strength

endurance limit