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Screws used for power transmission should have

A. Very fine threads

B. High efficiency

C. Low efficiency

D. Strong teeth

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

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  1. Whether any core is required in wire ropes
  2. A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal…
  3. When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of…
  4. Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number…
  5. The draw of cotter should not be more than
  6. The ratio of pitch circle diameter in millimetres to the number of teeth, is called
  7. A machine part subjected to __________ is called a strut.
  8. The effective stress in wire ropes during normal working is equal to the stress due to
  9. According to Indian standard specifications, 100 H6/g5 means that the
  10. For general industrial machinery, the ratio of the length of journal to its diameter is taken as
  11. If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting…
  12. If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according…
  13. A connecting rod is designed as a
  14. Wire ropes as compared to cotton ropes
  15. The yield point in static loading is __________ as compared to fatigue loading.
  16. The building up of worn and undersized parts, subjected to repeated loads by electroplating is
  17. A feather key is generally
  18. Taper usually provided on cotter is
  19. The cross-section of the arm of a bell crank lever is
  20. While designing a screw in a screw jack against buckling failure, the end conditions for the screw are…
  21. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic…
  22. If threads on a bolt are left hand, threads on nut will be
  23. The process extensively used for making bolts and nuts is
  24. Rankine's theory of failure is applicable for following type of materials
  25. In a full journal bearing, the angle of contact of the bearing with the journal is
  26. A stud
  27. The piston pin bearings in heavy duty diesel engines are
  28. The stretching in a belt can be controlled by __________ the stress in the belt.
  29. Tensile strength of a mild steel specimen can be roughly predicted from following hardness test
  30. For high speed engines, the cam follower should move with