Theory of Machine In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to Ensure proper alignment Ensure uniform loading Reduce slip Reduce vibration Ensure proper alignment Ensure uniform loading Reduce slip Reduce vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 270° and 360° 45° and 225° 90° and 180° 180° and 270° 270° and 360° 45° and 225° 90° and 180° 180° and 270° 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 A foot step bearing and rotor of a vertical turbine form examples of Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called Exhaust lap None of these Steam lap Lead Exhaust lap None of these Steam lap Lead ANSWER DOWNLOAD EXAMIANS APP