Theory of Machine A watt's governor can work satisfactorily at speeds from 60 to 80 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used to determine acceleration of various parts when the crank is at Right angles to the link of the stroke Inner dead centre All of the listed here Outer dead centre Right angles to the link of the stroke Inner dead centre All of the listed here Outer dead centre 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 0.8 0.4 0.2 0.6 0.8 0.4 0.2 0.6 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 (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 m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Logarithmic decrement Damping coefficient Magnification factor Damping factor Logarithmic decrement Damping coefficient Magnification factor Damping factor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Lags by 90° Are in phase Leads by 90° Leads by 180° Lags by 90° Are in phase Leads by 90° Leads by 180° ANSWER DOWNLOAD EXAMIANS APP