The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 4 2 1 3 TRUE ANSWER : ? YOUR ANSWER : ?
A point on a connecting link (excluding end points) of a double slider crank mechanism traces a Hyperbolic path Elliptical path Parabolic path Straight line path TRUE ANSWER : ? YOUR ANSWER : ?
The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 6 4, 5 5, 4 4, 4 TRUE ANSWER : ? YOUR ANSWER : ?
In a radial cam, the follower moves In any direction irrespective of the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis Along the cam axis TRUE ANSWER : ? YOUR ANSWER : ?
The unbalanced force due to reciprocating masses Varies in direction but constant in magnitude Varies in magnitude but constant in direction Constant in magnitude and direction both Varies in magnitude and direction both TRUE ANSWER : ? YOUR ANSWER : ?
The sense of Coriolis component is such that it Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 90° TRUE ANSWER : ? YOUR ANSWER : ?
A universal joint is an example of Lower pair Sliding pair Rolling pair Higher pair TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) m/(m + M) M/(m + M) (m + M)/m (m + M)/M TRUE ANSWER : ? YOUR ANSWER : ?
The frequency of oscillation of a compound pendulum is 2π. √[(kG² + h²)/gh] 2π. √[gh/(kG² + h²)] (1/2π). √[(kG² + h²)/gh] (1/2π). √[gh/(kG² + h²)] TRUE ANSWER : ? YOUR ANSWER : ?
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring) 1/2π. √(g/δ) 1/2π. √(δ/g) 2π. √(g/δ) 2π. √(δ/g) TRUE ANSWER : ? YOUR ANSWER : ?