Theory of Machine The example of rolling pair is Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing Ball and socket joint Lead screw of a lathe Bolt and nut Ball bearing and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ 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 0.2 0.4 0.8 0.6 0.2 0.4 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? It is a marginal case Yes No Data are insufficient to determine it It is a marginal case Yes No Data are insufficient to determine it ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor is a Pendulum type governor Spring loaded governor Inertia governor Dead weight governor Pendulum type governor Spring loaded governor Inertia governor Dead weight governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 10 20 30 34 10 20 30 ANSWER DOWNLOAD EXAMIANS APP