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 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 less than 95 mm 95 mm Slightly more than 95 mm 45 mm Slightly less than 95 mm 95 mm Slightly more than 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gear teeth are undercut Pitch of the gears is not same Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles Gear teeth are undercut Pitch of the gears is not same Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________ the angle of friction. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hart mechanism has Eight links Twelve links Six links Four links Eight links Twelve links Six links Four links ANSWER DOWNLOAD EXAMIANS APP
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