51. In designing a key, it is assumed that the distribution of forces along the length of key
52. The bearings of medium series have capacity __________ over the light series.
53. If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will
54. The effective stress in wire ropes during normal working is equal to the stress due to
55. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
56. When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
57. The crest diameter of a screw thread is same as
58. The maximum efficiency of a square threaded screw is
59. In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
60. The connecting rod bolts are tightened up so that tightening stress
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