Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Elliptical trammels Universal joint Rotary engine Whitworth quick return mechanism Elliptical trammels Universal joint Rotary engine Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Longitudinal vibrations Transverse vibrations Torsional vibrations All of these Longitudinal vibrations Transverse vibrations Torsional vibrations All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor. Remains constant Increases None of the listed here Decreases Remains constant Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Hammer blow All of these Swaying couple Variation in tractive force along the line of stroke Hammer blow All of these Swaying couple Variation in tractive force along the line of stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) sinβ cosecβ cosβ secβ sinβ cosecβ cosβ secβ ANSWER DOWNLOAD EXAMIANS APP
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