Theory of Machine A spring controlled governor is found unstable. It can be made stable by Increasing the spring stiffness Increasing the ball mass Decreasing the ball mass Decreasing the spring stiffness Increasing the spring stiffness Increasing the ball mass Decreasing the ball mass Decreasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Pitch circle Clearance circle Dedendum circle Addendum circle Pitch circle Clearance circle Dedendum circle Addendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Pitch circle Pitch curve Prime circle Base circle Pitch circle Pitch curve Prime circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Crank pin, crankshaft and flywheel All of these Connecting rod with big and small end brasses, caps and bolts Piston, piston rod and cross-head Crank pin, crankshaft and flywheel All of these Connecting rod with big and small end brasses, caps and bolts Piston, piston rod and cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 1/2π 2π. √(q/I) 2π qI (1/2π). √(q/I) 1/2π 2π. √(q/I) 2π qI (1/2π). √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
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