Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (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) (1 - sin θ)/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 8.75 kg 10.5 kg 5.5 kg 6.25 kg 8.75 kg 10.5 kg 5.5 kg 6.25 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is 60° 120° 45° 30° 60° 120° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The bending moment in an arch is proportional to Vertical ordinate of the arch Intercept between the arch axis and the funicular polygon None of these Vertical ordinate of funicular polygon Vertical ordinate of the arch Intercept between the arch axis and the funicular polygon None of these Vertical ordinate of funicular polygon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is 26 20 15 18 26 20 15 18 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 50 J 400 J 200 J 150 J 50 J 400 J 200 J 150 J ANSWER DOWNLOAD EXAMIANS APP
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