Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 6π Hz 3 Hz 3π Hz 6 Hz 6π Hz 3 Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Compound mechanism Machine Inversion Structure Compound mechanism Machine Inversion Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Is along the sliding velocity vector Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Lags the sliding velocity vector by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Permit relative motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The interference is inherently absent. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In geometric progression In logarithmic progression Constant In arithmetic progression In geometric progression In logarithmic progression Constant In arithmetic progression ANSWER DOWNLOAD EXAMIANS APP