The moment of inertia of a solid cylinder of mass 'm', radius 'r' and length 'l' about the longitudinal axis or polar axis is mr²/2 mr²/6 mr²/8 mr²/4 TRUE ANSWER : ? YOUR ANSWER : ?
The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) None of these TRUE ANSWER : ? YOUR ANSWER : ?
The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 2πN/60 πN/60 πN/180 TRUE ANSWER : ? YOUR ANSWER : ?
The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.5 r 0.7 r 0.8 r 0.6 r TRUE ANSWER : ? YOUR ANSWER : ?
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 2mr²/5 3mr²/5 mr²/3 TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of limiting friction and normal reaction is known as Angle of repose Coefficient of friction Sliding friction Angle of friction TRUE ANSWER : ? YOUR ANSWER : ?
The ideal angle of banking provided on the curves on roads depends upon Weight of the vehicle Coefficient of friction between the road and vehicle contact point Nature of the road surface (Velocity)2 of the vehicle TRUE ANSWER : ? YOUR ANSWER : ?
The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 50 mm 125 mm 87.5 mm 75 mm TRUE ANSWER : ? YOUR ANSWER : ?
When the spring of a watch is wound, it will possess Electrical energy Strain energy Kinetic energy Heat energy TRUE ANSWER : ? YOUR ANSWER : ?
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 depth (d), is bd³/12 db³/36 bd³/36 db³/12 TRUE ANSWER : ? YOUR ANSWER : ?