Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a Single slider crank chain Crank and slotted lever quick return motion mechanism All of these Whitworth quick return motion mechanism Single slider crank chain Crank and slotted lever quick return motion mechanism All of these Whitworth quick return motion mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In multi V-belt transmission, if one of the belt is broken, we have to change the Broken belt and its adjacent belts Broken belt There is no need of changing any one as remaining belts can take care of transmission of load All the belts Broken belt and its adjacent belts Broken belt There is no need of changing any one as remaining belts can take care of transmission of load All the belts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is Minimum and maximum Zero and maximum Maximum and zero Zero and minimum Minimum and maximum Zero and maximum Maximum and zero Zero and minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn 4 fn fn/2 8 fn 2 fn 4 fn fn/2 8 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to 2R Remain same as before Become equal to R/2 Become equal to R/4 Become equal to 2R Remain same as before Become equal to R/2 Become equal to R/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
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