Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα 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 independent of me area of contact. All of these The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. The friction force is independent of me area of contact. All of these The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. The length of the belt is π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Both linear and angular acceleration No acceleration Only linear acceleration Only angular acceleration Both linear and angular acceleration No acceleration Only linear acceleration Only angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain Two are turning pairs and two are sliding pairs Each of the four pairs is a turning pair One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs Each of the four pairs is a turning pair One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ANSWER DOWNLOAD EXAMIANS APP