Engineering Mechanics Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is 20 N 120 N 40 N None of the listed here 20 N 120 N 40 N None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The bodies which rebound after impact are called Neither elastic nor inelastic bodies Inelastic bodies None of these Elastic bodies Neither elastic nor inelastic bodies Inelastic bodies None of these Elastic bodies ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 60 and 70 % Between 80 and 90% Between 70 and 80% 1 Between 60 and 70 % Between 80 and 90% Between 70 and 80% 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the number of teeth of the pinion Increasing the length of the handle All of these Increasing the radius of the load drum Increasing the number of teeth of the pinion Increasing the length of the handle All of these Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar concurrent forces are those forces which Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
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