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The spring mostly used in gramophones is

A. Helical spring

B. Conical spring

C. Flat spiral spring

D. Volute spring

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

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  1. According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness…
  2. A crankshaft is a __________ shaft.
  3. When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at…
  4. In hydrodynamic bearings
  5. A steel containing 0.8% carbon is known as
  6. A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work…
  7. Which one of the following is a positive drive?
  8. 18/8 steel contains
  9. The expansion joint is mostly used for pipes which carry steam at __________ pressures.
  10. The maximum efficiency of a square threaded screw is
  11. Taper usually provided on cotter is
  12. In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.
  13. The velocity of sliding ________ the distance of the point of contact from the pitch point.
  14. The centre to centre distance between two consecutive rivets in a row, is called
  15. In designing thick cylinders, the equation used is
  16. The notch angle of the Izod impact test specimen is
  17. Which of the following spring is used in mechanical wrist watch?
  18. Fabric belts are used in industrial applications because
  19. The shock absorbing capacity of a bolt may be increased by
  20. In Vickers hardness testing, the pyramid indentor apex is
  21. Brittle coating technique is used for
  22. Crushing resistance required to crush the rivet per pitch length is
  23. In a flange coupling, the flanges are coupled together by means of
  24. If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to
  25. For a square key made of mild steel, the shear and crushing strength are related as
  26. The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress…
  27. Cold working
  28. The square threads are usually found on
  29. If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations…
  30. The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of…