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 Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 3 sec 4 sec 2 sec 5 sec 3 sec 4 sec 2 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts Downwards at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end Downwards at its upper end Upwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of moment of inertia of an area are m4 m3 kg/m2 kg/m m4 m3 kg/m2 kg/m 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) both (i) and (ii) only (i) both (i) and (iii) all (i), (ii) and (iii) both (i) and (ii) only (i) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is 9.3 m/sec 6.3 m/sec 7.3 m/sec 8.3 m/sec 9.3 m/sec 6.3 m/sec 7.3 m/sec 8.3 m/sec ANSWER DOWNLOAD EXAMIANS APP
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