Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.6 0.2 0.8 0.4 0.6 0.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. Two-third n times One-half 1/n times Two-third n times One-half 1/n times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In which of the following type of gear train the first gear and the last gear are co-axial. Simple gear train Reverted gear train Compound gear train None of the listed here Simple gear train Reverted gear train Compound gear train None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Four bar chain mechanism Quick return mechanism of shaper Slider crank mechanism Both (A) and (C) above Four bar chain mechanism Quick return mechanism of shaper Slider crank mechanism Both (A) and (C) above 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 Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair ANSWER DOWNLOAD EXAMIANS APP