Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.65 0.6 0.7 0.75 0.65 0.6 0.7 0.75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for A system of parallel forces only Non-concurrent coplanar force system Concurrent coplanar force system Any coplanar force system A system of parallel forces only Non-concurrent coplanar force system Concurrent coplanar force system Any coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Virtual centre Point of rotation Instantaneous centre Instantaneous axis Virtual centre Point of rotation Instantaneous centre Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is 1 0.5 Between 0 and 1 Zero 1 0.5 Between 0 and 1 Zero 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 (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The perpendicular to both the lines The same line in the same sense None of these The same line in opposite sense The perpendicular to both the lines The same line in the same sense None of these The same line in opposite sense ANSWER DOWNLOAD EXAMIANS APP
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