Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is 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) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power developed by a torque, is 2πNT kg m/min 2πNT /60 watts All listed here 2πNT/4500 h.p 2πNT kg m/min 2πNT /60 watts All listed here 2πNT/4500 h.p ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be Zero 2.0 m/sec 0.5 m/sec 1.0 m/sec Zero 2.0 m/sec 0.5 m/sec 1.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends oni. the magnitude of the forceii. the direction of the forceiii. the point of application of the force relative to originThe correct answer is all (i), (ii) and (iii) only (i) both (i) and (iii) both (i) and (ii) all (i), (ii) and (iii) only (i) both (i) and (iii) both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be None of these More than that of BC Less than that on BC Equal to that on BC None of these More than that of BC Less than that on BC Equal to that on BC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 10 —rad/sec 20 —rad/sec 30 None of these —rad/sec 10 —rad/sec 20 —rad/sec 30 None of these ANSWER DOWNLOAD EXAMIANS APP
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