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 0.4 0.2 0.6 0.8 0.4 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a surface contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 5 2 3 4 5 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A point Two lines A triangle A straight line A point Two lines A triangle A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Maintain constant engine speed Limit the vehicle speed Decrease the variation of speed Maximize the fuel economy Maintain constant engine speed Limit the vehicle speed Decrease the variation of speed Maximize the fuel economy 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 minimum length of the coupler will be Slightly more than 45 mm 45 mm 95 mm Slightly less than 45 mm Slightly more than 45 mm 45 mm 95 mm Slightly less than 45 mm ANSWER DOWNLOAD EXAMIANS APP
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