Engineering Mechanics The centre of gravity of a uniform lamina lies at The centre of heavy portion The bottom surface The midpoint of its axis All of these The centre of heavy portion The bottom surface The midpoint of its axis All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Twice the area of the triangle None of these Area of the triangle Half the area of the triangle Twice the area of the triangle None of these Area of the triangle Half the area of the triangle 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 = 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) t = 2u sin (α + β)/g cos β t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α - β) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a first system of pulleys with 4 pulleys is 8 4 20 16 8 4 20 16 ANSWER DOWNLOAD EXAMIANS APP
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 0.5 cm 1.0 cm 2.5 cm 1.5 cm 0.5 cm 1.0 cm 2.5 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 87.5 mm 125 mm 50 mm 75 mm 87.5 mm 125 mm 50 mm 75 mm ANSWER DOWNLOAD EXAMIANS APP
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