Theory of Machine A mechanism is an assemblage of Four or more than four links Two links Three links All of these Four or more than four links Two links Three links All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to x₁/x₂ log(x₁/x₂) log(x₁.x₂) loge(x₁/x₂) x₁/x₂ log(x₁/x₂) log(x₁.x₂) loge(x₁/x₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a spring controlled governor? Hartung governor All of these Wilson-Hartnell governor Hartnell governor Hartung governor All of these Wilson-Hartnell governor Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Decreases as the radius of rotation increases Increases as the radius of rotation decreases Increases as the radius of rotation increases Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation decreases Increases as the radius of rotation increases Remains constant for all radii of rotation ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism ANSWER DOWNLOAD EXAMIANS APP