Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 6 Hz 3π Hz 6π Hz 3 Hz 6 Hz 3π Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding All four pairs are turning Two pairs turning and two pairs sliding Three pairs turning and one pair sliding One pair turning and three pairs sliding All four pairs are turning Two pairs turning and two pairs sliding Three pairs turning and one pair sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means Balancing partially revolving masses Balancing partially reciprocating masses All of these Best balancing of engines Balancing partially revolving masses Balancing partially reciprocating masses All of these Best balancing of engines ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gearing is used in steering system of an automobile? Rack and pinion Spiral gears None of the listed here Worm and wheel Rack and pinion Spiral gears None of the listed here Worm and wheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism is an assemblage of All of these Two links Four or more than four links Three links All of these Two links Four or more than four links Three links ANSWER DOWNLOAD EXAMIANS APP