Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 2 1 1.5 0.5 2 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Grasshopper mechanism Robert’s mechanism Watt’s mechanism Peaucellier’s mechanism Grasshopper mechanism Robert’s mechanism Watt’s mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves None of these Parallel to its axis Perpendicular to its axis In a circle about its axis None of these Parallel to its axis Perpendicular to its axis In a circle about its axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam mechanism imparts following motion Oscillating Reciprocating Rotating All of these Oscillating Reciprocating Rotating All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Variation in tractive force along the line of stroke Swaying couple Hammer blow All of these Variation in tractive force along the line of stroke Swaying couple Hammer blow All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if The sum of the two masses is equal to the total mass of body The center of gravity of the two masses coincides with that of the body All of these The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body The center of gravity of the two masses coincides with that of the body All of these The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body ANSWER DOWNLOAD EXAMIANS APP
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