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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  2. A crankshaft is a __________ shaft.
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  4. In hydrodynamic bearings
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  7. Which one of the following is a positive drive?
  8. 18/8 steel contains
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  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
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  17. Which of the following spring is used in mechanical wrist watch?
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  20. In Vickers hardness testing, the pyramid indentor apex is
  21. Brittle coating technique is used for
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  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
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  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
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