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The material commonly used for crane hooks is

A. Cast iron

B. Wrought iron

C. Mild steel

D. Aluminium

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

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  1. A spring is used to
  2. The piston rod of a steam engine is usually connected to the crosshead by means of
  3. The static tooth load should be __________ the dynamic load.
  4. Screws used for power transmission should have
  5. When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile…
  6. A self locking screw has
  7. The included angle between the sides of V-belt is
  8. In skew bevel gearing, the axes of shafts are
  9. Stress concentration in cyclic loading is more serious in
  10. The bearings of heavy series have capacity ________ over the medium series.
  11. A column is known as a long column if the slenderness ratio is
  12. The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
  13. Stress concentration in static loading is more serious in
  14. The stress induced in the belt is,
  15. In designing a connecting rod, it is considered like __________ for buckling about X-axis.
  16. The flank of the tooth is the
  17. When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant…
  18. The number of slots in a 25 mm castle nut is
  19. In a partial journal bearing, the angle of contact of the bearing with the journal is
  20. The designation M 33 × 2 of a bolt means
  21. The cross-section of the arm of a bell crank lever is
  22. The shock absorbing capacity of a bolt may be increased by
  23. The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress…
  24. A V-belt designated as B 4430 LP has
  25. When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is…
  26. When two springs are in series (having stiffness K), the equivalent stiffness will be
  27. The contact ratio for gears is
  28. A leaf spring in automobiles is used
  29. In case of thick cylinders, the tangential stress across the thickness of cylinder is
  30. Ball bearing type screws are found in following application