In ideal machines, mechanical advantage is __________ velocity ratio. None of these Greater than Less than Equal to TRUE ANSWER : ? YOUR ANSWER : ?
The moment of inertia of a square of side a about its diagonal is a²/8 a³/12 a⁴/16 a⁴/12 TRUE ANSWER : ? YOUR ANSWER : ?
The angle between two forces when the resultant is maximum and minimum respectively are 0° and 180° 90° and 180° 90° and 0° 180° and 0° TRUE ANSWER : ? YOUR ANSWER : ?
The centre of percussion is below the centre of gravity of the body and is at a distance equal to h/kG h2/kG h × kG kG2/h TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of limiting friction and normal reaction is known as Angle of repose Sliding friction Coefficient of friction Angle of friction TRUE ANSWER : ? YOUR ANSWER : ?
The motion of a wheel of a car is Combined translation and rotational Purely translation Purely rotational None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
A cable with a uniformly distributed load per horizontal meter run will take the following shape Straight line Hyperbola Elliptical Parabola TRUE ANSWER : ? YOUR ANSWER : ?
The range of a projectile is maximum, when the angle of projection is 30° 60° 45° 90° TRUE ANSWER : ? YOUR ANSWER : ?
The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is D/(d₁ - d₂) D/(d₁ + d₂) 2D/(d₁ - d₂) 2D/(d₁ + d₂) TRUE ANSWER : ? YOUR ANSWER : ?