# AMVI Main 2011

 1 The strain energy stored in a body, when suddenly loaded, is  _________ energy stored when load is applied gradually. A. equal to B. 1/2 C. twice D. 4 times
 2 The design of a thin cylinder shell is based on A. hoop stress B. arithmetic mean of the hoop and longitudinal stress C. geometric mean of the hoop and longitudinal stress D. longitudinal stress
 3 The bending moment on a section is maximum where shear force is A. minimum B. maximum C. changing sign D. zero
 4 When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is A. tensile stress B. compressive stress C. shear stress D. thermal stress
 5 Hooke's law holds good up to A. Yield point B. Elastic limit C. Plastic limit D. Breaking point
 6 The Poisson's ratio for steel varies from A. 0.23 to 0.27 B. 0.25 to 0-33 C. 0.31 to 0.34 D. 0.32 to 0.42
 7 The point of contraflexure is a point where A. shear force changes sign B. bending moment changes sign C. shear force is maximum D. bending moment is maximum
 8 Factor of safety is defined as the ratio of A. ultimate stress to working stress B. working stress to ultimate stress C. breaking stress to ultimate stress D. ultimate stress to breaking stress
 9 The plane of maximum shear stress has normal stress that is A. maximum B. minimum C. zero D. None of the above
 10 Bending moment M and torque T is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then M is equal to A. T/2 B. T C. 2T D. 4T
 11 The slope at the free end of a cantilever carrying a 'UDL', W N/m over a span L is A. B. C. D. 12 In short column failure occurs by A. Pure buckling  B. Combination of bending and direct compression C. Direct compression only  D. None of the above
 13 The diameter of the core circular column of diameter 'd' under any load shall be A. d/8 B. d/6 C. d/4 D. d/2
 14 A sudden change in shear force diagram between any two points indicates that there is A. Point load at both the points  B. No loading between two points C. UDL between two points D. Uniformly varying load between
 15 Principal planes are planes having A. Maximum shear stress B. No shear stress C. Minimum shear stress D. None of the above
 16 Position feedback device on NC Machine is A. Shaft encoder B. Linear scales C. Inductosyn D. Any of the above
 17 The surface finish obtainable in ultrasonic machining is of the order of A. 0.2 to 0.5 um CLA B. 2 to 5 um CLA  C. 20 to 50 um CLA D. 200 to 500 um CLA
 18 In metal cutting operation, shear angle is defined as the angle A. made by the plane of shear with the direction of tool travel B. made by shear plane with the tool axis C. made by shear plane with central plane of workpiece D. None of the above
 19 While grinding, the increase in wheel speed, with constant-feed rate, results in A. shining surface B. abrasive mark on workpiece C. reduction of chip size D. glazing of wheel
 20 In orthogonal cutting of metals, cutting edge is A. perpendicular to the direction of tool travel B. perpendicular to workpiece C. perpendicular to shear plane  D. perpendicular to the axis of cutting tool

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