Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn fn/2 8 fn 4 fn 2 fn fn/2 8 fn 4 fn 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) cosφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work All of these The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work All of these The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be Unstable Isochronous None of the listed here Stable Unstable Isochronous None of the listed here Stable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Opposite to angular velocity Perpendicular to angular velocity May be any one of these Along the angular velocity Opposite to angular velocity Perpendicular to angular velocity May be any one of these Along the angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Roller follower Flat faced follower Spherical faced follower Knife edge follower Roller follower Flat faced follower Spherical faced follower Knife edge follower ANSWER DOWNLOAD EXAMIANS APP
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