Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 30 8 28 15 30 8 28 15 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectilinear motion of piston is converted into rotary by Connecting rod Slider crank Cross head Gudgeon pin Connecting rod Slider crank Cross head Gudgeon pin 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) Zero Greater than unity Less than unity Equal to unity Zero Greater than unity Less than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding Two pairs turning and two pairs sliding Three pairs turning and one pair sliding All four pairs are turning One pair turning and three pairs sliding Two pairs turning and two pairs sliding Three pairs turning and one pair sliding All four pairs are turning ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Free vibration without damping Free vibration with damping Forced vibration without damping Forced vibration with damping Free vibration without damping Free vibration with damping Forced vibration without damping Forced vibration with damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies as the square root of the speed Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. ANSWER DOWNLOAD EXAMIANS APP