Theory of Machine Which of the below are inversions of slider crank mechanism?1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial cylinder engine mechanism4. Quick return mechanism 2, 3 and 4 1, 3 and 4 1, 2 and 3 1, 2 and 4 2, 3 and 4 1, 3 and 4 1, 2 and 3 1, 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to secφ cosecφ cosφ sinφ secφ cosecφ cosφ sinφ 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 Less than unity Equal to unity Greater than unity Zero Less than unity Equal to unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a All of these Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine All of these Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Lower pair Self-closed pair Higher pair Force-closed pair Lower pair Self-closed pair Higher pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Line or point contact Surface contact None of these Body contact Line or point contact Surface contact None of these Body contact ANSWER DOWNLOAD EXAMIANS APP