Engineering Mechanics The force, by which the body is attracted, towards the center of the earth, is called Impulsive force Weight Mass Momentum Impulsive force Weight Mass Momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as Coplanar concurrent forces Like parallel forces Coplanar non-concurrent forces Unlike parallel forces Coplanar concurrent forces Like parallel forces Coplanar non-concurrent forces Unlike parallel forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be 1 Less than 50% Greater than 50% Equal to 50% 1 Less than 50% Greater than 50% Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the length of the handle All of these Increasing the number of teeth of the pinion Increasing the radius of the load drum Increasing the length of the handle All of these Increasing the number of teeth of the pinion Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.) t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α + β) t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α + β) ANSWER DOWNLOAD EXAMIANS APP