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 - 2 l l - 1 l + 1 l - 2 l l - 1 l + 1 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 0.8 0.6 0.4 0.2 0.8 0.6 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Over damped Critically damped Without vibrations Under damped Over damped Critically damped Without vibrations Under damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 45 mm Slightly more than 95 mm Slightly less than 95 mm 95 mm 45 mm Slightly more than 95 mm Slightly less than 95 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Downward Upward Forward Backward Downward Upward Forward Backward ANSWER DOWNLOAD EXAMIANS APP