Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) secβ cosecβ cosβ sinβ secβ cosecβ cosβ sinβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω² × AB ω × (AB)² ω × AB (ω × AB)² ω² × AB ω × (AB)² ω × AB (ω × AB)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A completely constrained motion can be transmitted with. 4 links with pin joints 2 links with pin joints 3 links with pin joints 1 link with pin joints 4 links with pin joints 2 links with pin joints 3 links with pin joints 1 link with pin joints ANSWER DOWNLOAD EXAMIANS APP
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 0.6 0.8 0.2 0.4 0.6 0.8 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Transverse vibrations Longitudinal vibrations All of these Torsional vibrations Transverse vibrations Longitudinal vibrations All of these Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
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