Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. No contact Point contact Surface contact None of these No contact Point contact Surface contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called Fluctuation of energy Maximum fluctuation of energy Coefficient of fluctuation of energy None of these Fluctuation of energy Maximum fluctuation of energy Coefficient of fluctuation of energy None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is May be any one of these Along the angular velocity Perpendicular to angular velocity Opposite to angular velocity May be any one of these Along the angular velocity Perpendicular to angular velocity Opposite to angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Knuckle joint Oldham's coupling Universal joint Flexible coupling Knuckle joint Oldham's coupling Universal joint Flexible coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system of masses rotating in different parallel planes is in dynamic balance if the Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force is equal to zero Resultant couple is equal to zero Resultant force and resultant couple are both equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force is equal to zero Resultant couple is equal to zero Resultant force and resultant couple are both equal to zero ANSWER DOWNLOAD EXAMIANS APP