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 0.8 0.2 0.4 0.6 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ + ω₂)r (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ + ω₂)r (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n/2 n(n - 1)/2 n n - 1 n/2 n(n - 1)/2 n n - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to None of these Torsional vibrations Longitudinal vibrations Transverse vibrations None of these Torsional vibrations Longitudinal vibrations Transverse vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? Helical gear None of these Spur gear Bevel gear Helical gear None of these Spur gear Bevel gear ANSWER DOWNLOAD EXAMIANS APP
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