MACHINE DESIGN QUIZ

Do not require external supply of lubricant

Grease is used for lubrication

The oil film is maintained by supplying oil under pressure

The oil film pressure is generated only by the rotation of the journal

Do not require external supply of lubricant

Grease required to be applied after some intervals

The oil film is maintained by supplying oil under pressure

The oil film pressure is generated only by the rotation of the journal

122°

152°

40°

136°

Thick film

None of these

Either A or B

Thin film

0.625 t for both the straps on the inside and outside

0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside

0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside

0.75 t for both the straps on the inside and outside

45°

40°

60°

38°

(Shear stress)3

(Shear stress)²

(Shear stress)⁴

Shear stress

One end fixed and the other end free

One end fixed and the other end hinged

Both the ends hinged

Both the ends fixed

30 kN/m

24 kN/m

12 kN/m

6 kN/m

Zero

High

Could be anything

Low