Theory of Machine 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 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To raise the nose and dip the tail To raise the nose and tail To dip the nose and tail To dip the nose and raise the tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and tail To dip the nose and raise the tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have 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 Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when None of these One of the links is fixed Two of the links are fixed None of the links is fixed None of these One of the links is fixed Two of the links are fixed None of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.4 0.2 0.8 0.6 0.4 0.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) Iω² I ω ωP (1/2). I ω ωP (1/2).Iω² Iω² I ω ωP (1/2). I ω ωP (1/2).Iω² ANSWER DOWNLOAD EXAMIANS APP
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