Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% more than 50% less than 50% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Which of the following is a scalar quantity? Impulse Torque Energy Momentum Impulse Torque Energy Momentum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 90° 30° 60° 45° 90° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Sphere with greater rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Sphere with lesser rotational energy at bottom than cylinder Cylinder with greater rotational energy at bottom than sphere ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 1.0 0.75 0.25 0.50 1.0 0.75 0.25 0.50 ANSWER DOWNLOAD EXAMIANS APP
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