Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is db³/12 bd³/12 db³/36 bd³/36 db³/12 bd³/12 db³/36 bd³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.) v2 = u2 + 2a.s All of these s = u.t + ½ a.t2 v = u + a.t v2 = u2 + 2a.s All of these s = u.t + ½ a.t2 v = u + a.t ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Output to the input All of these Work done by the machine to the work done on the machine Mechanical advantage to the velocity ratio Output to the input All of these Work done by the machine to the work done on the machine Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The term 'Centroid' is The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The point of suspension The same as centre of gravity The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The point of suspension The same as centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about an axis perpendicular to the section is πd4/32 πd3/16 πd3/32 πd4/64 πd4/32 πd3/16 πd3/32 πd4/64 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is 2v v 4v 8v 2v v 4v 8v ANSWER DOWNLOAD EXAMIANS APP
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