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 The C.G. of a right circular cone lies on its axis of symmetry at a height of h/5 h/2 h/3 h/4 h/5 h/2 h/3 h/4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 43835 43864 43833 43895 43835 43864 43833 43895 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are √3 kg and √5 kg 2 kg and 3 kg 3 kg and 5 kg 1 kg and 4 kg √3 kg and √5 kg 2 kg and 3 kg 3 kg and 5 kg 1 kg and 4 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of None of these One-third of the total height above base One-half of the total height above base One-fourth of the total height above base None of these One-third of the total height above base One-half of the total height above base One-fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/2 g/3 g/5 g/4 g/2 g/3 g/5 g/4 ANSWER DOWNLOAD EXAMIANS APP