Theory of Machine The dynamic friction is the friction experienced by a body, when the body Is in motion None of these Is at rest Just begins to slide over the surface of the other body Is in motion None of these Is at rest Just begins to slide over the surface of the other body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke) m.ω².r cosθ m.ω².r sinθ m.ω².r (cosθ - sinθ) (1 - c).m.ω².r (cosθ - sinθ) m.ω².r cosθ m.ω².r sinθ m.ω².r (cosθ - sinθ) (1 - c).m.ω².r (cosθ - sinθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A circular bar moving in a round hole is an example of Partially constrained motion Successfully constrained motion Incompletely constrained motion Completely constrained motion Partially constrained motion Successfully constrained motion Incompletely constrained motion Completely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cross head and guides form a Lower pair Sliding pair Higher pair Turning pair Lower pair Sliding pair Higher pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Ackermann steering gear consists of Turning pairs Rolling pairs Sliding pairs Higher pairs Turning pairs Rolling pairs Sliding pairs Higher pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 360° 90° 180° 0° 360° 90° 180° 0° ANSWER DOWNLOAD EXAMIANS APP