Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Angular velocity of journal Radius of journal Clearance between journal and bearing Magnitude of the forces on journal Angular velocity of journal Radius of journal Clearance between journal and bearing Magnitude of the forces on journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of ascent of cam is defined as the angle Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a radial cam, the follower moves In a direction perpendicular to the cam axis In a direction parallel to the cam axis Along the cam axis In any direction irrespective of the cam axis In a direction perpendicular to the cam axis In a direction parallel to the cam axis Along the cam axis In any direction irrespective of the cam axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Both open belt drive and crossed belt drive is recommended Open belt drive is recommended Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Both open belt drive and crossed belt drive is recommended Open belt drive is recommended Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
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