Theory of Machine The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is Oldham's coupling Universal coupling Chain coupling Flexible coupling Oldham's coupling Universal coupling Chain coupling Flexible coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is Equal to 1 Less than 2 Greater than 2 Equal to 2 Equal to 1 Less than 2 Greater than 2 Equal to 2 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
Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per hour Number of cycles per minute Number of cycles per second None of these Number of cycles per hour Number of cycles per minute Number of cycles per second None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a Four bar linkage 6 bar linkage 8 bar linkage 3 bar linkage Four bar linkage 6 bar linkage 8 bar linkage 3 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of descent of cam is defined as the angle During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position ANSWER DOWNLOAD EXAMIANS APP