Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 180° and 0° 90° and 180° 90° and 0° 0° and 180° 180° and 0° 90° and 180° 90° and 0° 0° and 180° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a first system of pulleys with 4 pulleys is 8 20 16 4 8 20 16 4 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 100 50 200 400 100 50 200 400 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n 2n - 1 n n² 2n 2n - 1 n n² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coefficient of friction depends upon Area of contact only Nature of surface only Both (A) and (B) None of these Area of contact only Nature of surface only Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The principle of transmissibility of forces states that, when a force acts upon a body, its effect is Same at every point on its line of action Different at different points on its line of action Maximum, if it acts at the center of gravity of the body Minimum, if it acts at the center of gravity of the body Same at every point on its line of action Different at different points on its line of action Maximum, if it acts at the center of gravity of the body Minimum, if it acts at the center of gravity of the body ANSWER DOWNLOAD EXAMIANS APP