51. A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is
52. A steel containing up to 0.15% carbon is known as
53. A steel containing 0.8% carbon is known as
54. The rocker arms in internal combustion engines are of __________.
55. Gears are casted by
56. Basic shaft is one
57. Which of the following statement is wrong?
58. Which of the following statement is wrong?
59. Which of the following statement is wrong?
60. Which of the following statement is wrong?
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