Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 5 10 20 40 5 10 20 40 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 200 50 100 400 200 50 100 400 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are correct Constant Both of above are wrong Equal to the moment of the couple Both of above are correct Constant Both of above are wrong Equal to the moment of the couple ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 Between 80 and 90% Between 70 and 80% Between 60 and 70 % 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular velocity is Revolutions/min m/min Both (B) and (C) rad/s Revolutions/min m/min Both (B) and (C) rad/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -8.9 m/s2 +9.8 m/s2 -9.8 m/s2 +8.9 m/s2 -8.9 m/s2 +9.8 m/s2 -9.8 m/s2 +8.9 m/s2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS