Theory of Machine The flank of the tooth is the surface of the tooth __________ the pitch surface. Above Below None of these At Above Below None of these At ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced Bearing centre line coincides with the axis Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds The system is unbalanced Bearing centre line coincides with the axis Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Both (A) and (B) None of these Secondary forces and couples must be balanced Primary forces and couples must be balanced Both (A) and (B) None of these Secondary forces and couples must be balanced Primary forces and couples must be balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links Will not occur Will remain same Could change or remain unaltered depending on which link is fixed Will change Will not occur Will remain same Could change or remain unaltered depending on which link is fixed Will change ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 4 4, 5 4, 6 5, 4 4, 4 4, 5 4, 6 5, 4 ANSWER DOWNLOAD EXAMIANS APP
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