Engineering Mechanics From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate 1.0 cm 1.5 cm 0.5 cm 2.5 cm 1.0 cm 1.5 cm 0.5 cm 2.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is g cosθ None of these g sinθ g tanθ g cosθ None of these g sinθ g tanθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is β/2 30° + β/2 45° + β/2 60° + β/2 β/2 30° + β/2 45° + β/2 60° + β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum 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 = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) t = g cos β/2u sin (α + β) t = 2u sin (α + β)/g cos β t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) t = g cos β/2u sin (α + β) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The wheels of a moving car possess Kinetic energy of translation only Kinetic energy of rotation only Kinetic energy of translation and rotation both Potential energy only Kinetic energy of translation only Kinetic energy of rotation only Kinetic energy of translation and rotation both Potential energy only ANSWER DOWNLOAD EXAMIANS APP
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