Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection at which the horizontal range and maximum height of a projectile are equal to 36° 45° 56° 76° 36° 45° 56° 76° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum potential energy of a system will be in the position of Stable equilibrium Neutral equilibrium Unstable equilibrium All of these Stable equilibrium Neutral equilibrium Unstable equilibrium All of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 12.88 m/sec 10.88 m/sec 8.88 m/sec 5.88 m/sec 12.88 m/sec 10.88 m/sec 8.88 m/sec 5.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of the differential wheel and axle is 2R/r1 R/r1 - r2 2R/r1 + r2 3R/r1 - r2 2R/r1 R/r1 - r2 2R/r1 + r2 3R/r1 - r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Joule is equivalent to 1 Newton metre 9.81 Newton metre 1 kg wt metre 1 dyne metre 1 Newton metre 9.81 Newton metre 1 kg wt metre 1 dyne metre ANSWER DOWNLOAD EXAMIANS APP