Applied Mechanics and Graphic Statics A Seconds pendulum executes 2.5 beats per second 1.0 beat per second 0.5 beat per second 2.0 beats per second 2.5 beats per second 1.0 beat per second 0.5 beat per second 2.0 beats per second ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 M’^T’ M’L-‘T0 M2L’T3 M’L-‘T1 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 (i) and (iii) Only (ii) Both (ii) and (iii) All (i), (ii) and (iii) Both (i) and (iii) Only (ii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 200 J 150 J 50 J 400 J 200 J 150 J 50 J 400 J ANSWER DOWNLOAD EXAMIANS APP
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 is zero but resultant couple is not 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 may not be zero The resultant force is zero but resultant couple is not 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 may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be Less than 60% 0.5 None of these More than 50% Less than 60% 0.5 None of these More than 50% ANSWER DOWNLOAD EXAMIANS APP