Basic hole is one

A. Whose upper deviation is zero

B. Whose lower deviation is zero

C. Whose lower as well as upper deviations are zero

D. Does not exist

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  1. The effective stress in wire ropes during normal working is equal to the stress due to
  2. Two shafts of the same length and material are joined in series. If the ratio of their diameters is…
  3. Which of the following statement is correct?
  4. The piston rod of a steam engine is usually connected to the crosshead by means of
  5. According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal…
  6. The maximum shear stress theory is used for
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  8. The cam follower extensively used in aircraft engines is
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  11. In a butt welded joint, the size of weld is __________ the throat of weld.
  12. The ratio of endurance limit in shear to the endurance limit in flexure is
  13. In block brakes, the ratio of shoe width to wheel diameter is taken between
  14. In a transverse fillet welded joint, the size of weld is __________ the throat of weld.
  15. The dedendum is the radial distance from the
  16. Resistance to fatigue of a material is measured by
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  18. The maximum normal stress theory is used for
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  23. In a steam engine, the piston rod is usually connected to the crosshead by means of a
  24. Residual stress in materials
  25. Applications in which stresses are encountered in one direction only uses following type of threads
  26. A fast and loose pulley drive is used when
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  28. Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating…
  29. Idler pulley is used for
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