Engineering Mechanics The unit of work in S.I. units is erg Newton kg-m joule erg Newton kg-m joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Directly None of these Square root Inversely Directly None of these Square root Inversely 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
Engineering Mechanics The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection. More than None of These Equal to Less than More than None of These Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A screw jack used for lifting the loads is None of these A non-reversible machine An ideal machine A reversible machine None of these A non-reversible machine An ideal machine A reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/ 8 8r/3 3r/4π 4r/ 3π 3r/ 8 8r/3 3r/4π 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP