Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is l/√2 2/√3 l ½ l ¾ l l/√2 2/√3 l ½ l ¾ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at None of these Quarter span Supports Mid span None of these Quarter span Supports Mid span ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these That resultant couple must be zero Both (A) and (B) That polygon of forces must close None of these That resultant couple must be zero Both (A) and (B) That polygon of forces must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is sin θ tan θ cosec θ cos θ sin θ tan θ cosec θ cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Zero at its upper end Downwards at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end Downwards at its upper end Upwards at its upper end Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The correct answer is only (ii) both (i) and (ii) both (i) and (iii) only (i) only (ii) both (i) and (ii) both (i) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
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