Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. None of these Line or point contact Body contact Surface contact None of these Line or point contact Body contact Surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.4 0.8 0.2 0.6 0.4 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be One fourth of the first one Four times the first one Same as the first one One and a half times the first one One fourth of the first one Four times the first one Same as the first one One and a half times the first one ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W tanθ W sinθ W cosecθ W cosθ W tanθ W sinθ W cosecθ W cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of the listed here Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of the listed here 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
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