Theory of Machine A higher pair has__________. No contact Surface contact Point contact None of these No contact Surface contact Point contact None of these 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 0.2 0.4 0.8 0.6 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Perpendicular to sliding surfaces None of these Somewhere in between above two Along sliding surfaces Perpendicular to sliding surfaces None of these Somewhere in between above two Along sliding surfaces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Mutter gears Double helical gears having identical teeth Single helical gear in which one of the teeth of helix angle a is more Double helical gears having opposite teeth Mutter gears Double helical gears having identical teeth Single helical gear in which one of the teeth of helix angle a is more Double helical gears having opposite teeth ANSWER DOWNLOAD EXAMIANS APP
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