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 (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 1/4 4 3 1/3 1/4 4 3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body is in a stable equilibrium if the application of any force Tends to lower the CG of the body None of above Can raise the CG of the body but cannot lower it Neither raises nor lowers the CG of the body Tends to lower the CG of the body None of above Can raise the CG of the body but cannot lower it Neither raises nor lowers the CG of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for None of these Quarter oscillation Complete oscillation Half oscillation None of these Quarter oscillation Complete oscillation Half oscillation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is 2 43832 43834 43894 2 43832 43834 43894 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is 1.25 m/sec² 0.5 m/sec² 0.75 m/sec² 1.00 m/sec² 1.25 m/sec² 0.5 m/sec² 0.75 m/sec² 1.00 m/sec² ANSWER DOWNLOAD EXAMIANS APP
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