Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Universal joint Whitworth quick return mechanism Elliptical trammels Rotary engine Universal joint Whitworth quick return mechanism Elliptical trammels Rotary engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become tp /16 4 tp 16 tp tp /4 tp /16 4 tp 16 tp tp /4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Mass and damping coefficient Mass and natural frequency Damping coefficient and natural frequency Mass and stiffness Mass and damping coefficient Mass and natural frequency Damping coefficient and natural frequency Mass and stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced partially Balanced by secondary forces Balanced completely Not balanced Balanced partially Balanced by secondary forces Balanced completely Not balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 600°K 625°K 650°K 700°K 600°K 625°K 650°K 700°K ANSWER DOWNLOAD EXAMIANS APP
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