Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the ball mass Decreasing the spring stiffness Increasing the ball mass Increasing the spring stiffness Decreasing the ball mass Decreasing the spring stiffness Increasing the ball mass Increasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 90° to each other 120° to each other 180° to each other 45° to each other 90° to each other 120° to each other 180° to each other 45° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length) √(T/3m) (T.g)/3 √(3m/T) T/3 √(T/3m) (T.g)/3 √(3m/T) T/3 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). (1 - cos² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Self-closed pair Lower pair Higher pair Force-closed pair Self-closed pair Lower pair Higher pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
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