Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% equal to 100% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Newton is equivalent to 981 dyne 9.81 kg. wt 1 kg. wt 1/9.81 kg. wt 981 dyne 9.81 kg. wt 1 kg. wt 1/9.81 kg. wt ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of impulse, is kg.m/sec kg.m/sec² kg.m/sec kg.m/sec kg.m/sec kg.m/sec² kg.m/sec kg.m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is 1.5 sec 1 sec 1.2 sec ½ sec 1.5 sec 1 sec 1.2 sec ½ sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J All (i), (ii) and (iii) Both (ii) and (iii) Only (ii) Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) Only (ii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a Right angled triangle Equilateral triangle Circle Rectangle Right angled triangle Equilateral triangle Circle Rectangle ANSWER DOWNLOAD EXAMIANS APP
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