Theory of Machine The flank of the tooth is the surface of the tooth __________ the pitch surface. Below At None of these Above Below At None of these Above 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 (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πr/k. √(g/l) r/2πk. √(g/l) 2πk/r. √(g/l) r/2πk. √(l/g) 2πr/k. √(g/l) r/2πk. √(g/l) 2πk/r. √(g/l) r/2πk. √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of Single slider crank chain? Rotary engine Beam engine Elliptical trammel Oldham’s coupling Rotary engine Beam engine Elliptical trammel Oldham’s coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Slow speed Moderate speed Highs peed Any one of these Slow speed Moderate speed Highs peed Any one of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these Both (A) and (B) Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP