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)/(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) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 0.02 m 20 m 2 m 2.5 m 0.02 m 20 m 2 m 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moving with a simple harmonic motion, attains its maximum velocity when it passes Through a point at half amplitude None of these The extreme point of the oscillation Through the mean position Through a point at half amplitude None of these The extreme point of the oscillation Through the mean position ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Rate of change of angular momentum is equal to Linear momentum Torque Force Impulse Linear momentum Torque Force Impulse ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²) 15 m/sec 40 m/sec 25 m/sec 50 m/sec 15 m/sec 40 m/sec 25 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite goes on moving along its orbit round the earth due to Centrifugal force Centripetal force Gravitational force None of these Centrifugal force Centripetal force Gravitational force None of these ANSWER DOWNLOAD EXAMIANS APP