Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 337.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 437.5 cm⁴ 337.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 437.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be None of these Less than 60% 0.5 More than 50% None of these Less than 60% 0.5 More than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight Horizontal component of velocity remains constant Vertical component of velocity remains constant Kinetic energy of the ball remains constant Speed of the ball remains constant Horizontal component of velocity remains constant Vertical component of velocity remains constant Kinetic energy of the ball remains constant Speed of the ball remains constant ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 8 J 6 J 4 J 2 J 8 J 6 J 4 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b⁴/12 b³/4 b⁴/3 b⁴/8 b⁴/12 b³/4 b⁴/3 b⁴/8 ANSWER DOWNLOAD EXAMIANS APP
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