Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called Maximum fluctuation of speed Fluctuation of speed None of these Coefficient of fluctuation of speed Maximum fluctuation of speed Fluctuation of speed None of these Coefficient of fluctuation of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 180° 0° 360° 90° 180° 0° 360° 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. More than Less than None of these Same as More than Less than None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity. Zero Minimum None of these Maximum Zero Minimum None of these Maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS