Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Pitch circle Prime circle Pitch curve Base circle Pitch circle Prime circle Pitch curve Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). (1 + cos² θ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. All of these The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because 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 The system is unbalanced Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L + 2 L L - 1 L + 1 L + 2 L L - 1 L + 1 ANSWER DOWNLOAD EXAMIANS APP
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