Theory of Machine A pantograph is a mechanism with Turning pairs Rolling pairs Lower pairs Higher pairs Turning pairs Rolling pairs Lower pairs Higher pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Less than unity Zero Greater than unity Equal to unity Less than unity Zero Greater than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CS / 2CE 2 W CE / CS W CE / CS W CE / 2CS W CS / 2CE 2 W CE / CS W CE / CS W CE / 2CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Watt mechanism Grasshopper mechanism Peaucellier's mechanism Tchebicheff mechanism Watt mechanism Grasshopper mechanism Peaucellier's mechanism Tchebicheff mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced completely Not balanced Balanced by secondary forces Balanced partially Balanced completely Not balanced Balanced by secondary forces Balanced partially 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 Radius of journal Clearance between journal and bearing Angular velocity of journal Magnitude of the forces on journal Radius of journal Clearance between journal and bearing Angular velocity of journal Magnitude of the forces on journal ANSWER DOWNLOAD EXAMIANS APP