Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Parallel to OA At 45° to OA Perpendicular to OA Along AO Parallel to OA At 45° to OA Perpendicular to OA Along AO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tanα/tan (α - φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) tan (α - φ)/tanα tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Spiral gearing Spur gearing Bevel gearing Helical gearing Spiral gearing Spur gearing Bevel gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Compound train of wheels Epicyclic gear train Simple train of wheels Reverted gear train Compound train of wheels Epicyclic gear train Simple train of wheels Reverted gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.5 1 2 0.25 0.5 1 2 0.25 ANSWER DOWNLOAD EXAMIANS APP
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