I.S. specifies following total number of grades of tolerances

A. 18

B. 16

C. 20

D. 22

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. In oilness bearings
  2. The resultant axial load on a bolt depends on
  3. The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal…
  4. The power transmitted by the belt drive can be increased by
  5. The efficiency of a square threaded screw is maximum if the helix angle is equal to (Where φ =…
  6. The contact ratio for gears is
  7. The period during which the cam follower remains at rest, when cam moves, is known as
  8. When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is…
  9. The modulus of elasticity for mild steel is approximately equal to
  10. In order to obtain bolt of uniform strength
  11. If two springs are in parallel then their overall stiffness will be
  12. A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum…
  13. The yield point in static loading is __________ as compared to fatigue loading.
  14. In a horizontal flat belt drive, it is customary to use
  15. The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive)…
  16. Basic shaft is one
  17. When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant…
  18. Oil in journal bearing should be applied at the point where load is
  19. When the speed of belt increases,
  20. The pipe joint mostly used for pipes carrying water at low pressures is
  21. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and…
  22. According to Indian standards, total numbers of tolerance grades are
  23. The suitable material for belt in agricultural machinery is
  24. The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for
  25. The square threads are usually found on
  26. The included angle for the V-belt is usually
  27. If a material fails below its yield point, failure would be due to
  28. If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations…
  29. Aircraft body is usually fabricated by
  30. A bolt