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 0.8 0.6 0.4 0.2 0.8 0.6 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n + 1) ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n + 1) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of gears Dependent on the size of teeth Always variable Always constant Dependent on the size of gears Dependent on the size of teeth Always variable Always constant ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Angular velocity of journal Clearance between journal and bearing Radius of journal Magnitude of the forces on journal Angular velocity of journal Clearance between journal and bearing Radius of journal Magnitude of the forces on journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be To raise the stern and lower the bow To move the ship towards starboard To raise the bow and lower the stern To move the ship towards port side To raise the stern and lower the bow To move the ship towards starboard To raise the bow and lower the stern To move the ship towards port side ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Have line contact Permit relative motion Are held together Have surface contact Have line contact Permit relative motion Are held together ANSWER DOWNLOAD EXAMIANS APP
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