Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 2.50 mm 2 mm 3.0 mm 2.22 mm 2.50 mm 2 mm 3.0 mm 2.22 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l - 1 l - 2 l + 1 l l - 1 l - 2 l + 1 l ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Transmission of power from the engine to the rear axle of an automobile is by means of Compound gears Hooke's joint Worm and wheel method Crown gear Compound gears Hooke's joint Worm and wheel method Crown gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any -ve value Any +ve value Infinity Zero Any -ve value Any +ve value Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve ANSWER DOWNLOAD EXAMIANS APP
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