Applied Mechanics and Graphic Statics The dimensions of power are. M’L’r2 M’L2T2 M’L-‘T* M’L’T3 M’L’r2 M’L2T2 M’L-‘T* M’L’T3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ sin θ/(1 + sin θ) (1 - sin θ)/(1 + sin θ) 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, theni. a force is required to move the body upwardsii. a force is required to move the body downwardiii. the body will not be in equilibriumThe correct answer is both (i) and (ii) only (i) only (ii) both (i) and (iii) both (i) and (ii) only (i) only (ii) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/2y wl wl/8y wl/4y wl/2y wl wl/8y wl/4y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body is in a stable equilibrium if the application of any force None of above Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it Tends to lower the CG of the body None of above Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it Tends to lower the CG of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is in unstable equilibrium A uniform solid cone resting on its base on a horizontal plane A satellite encircling the earth A uniform solid cone resting on a generator on a smooth horizontal plane A solid cube resting on one edge A uniform solid cone resting on its base on a horizontal plane A satellite encircling the earth A uniform solid cone resting on a generator on a smooth horizontal plane A solid cube resting on one edge ANSWER DOWNLOAD EXAMIANS APP