44. A strip of thickness 40 mm is to be rolled to a thickness of 20 mm using a two-high mill having rolls of diameter 200 mm. Coefficient of friction and arc length in mm, respectively are (A) 0.39 and 44.72 (B) 0.45 and 38.84 (C) 0.45 and 44.72 (D) 0.39 and 38.84 45. A cam with translating flat-face follower is desired to have the follower motion y(0)=4[20-0], Contact stress considerations dictate that the radius of curvature of the cam profile should not be less than 40 mm anywhere. The minimum permissible base circle radius is decimal place). mm (round off to one 46. The evaluation of the definite integral [, x|x|dx by using Simpson's 1/3rd (one-third) rule with step size h = 0.6 yields (A) 0.581 (B) 0.592 (C) 1.248 (D) 0.914