Theory of Machine The maximum fluctuation of speed is the Difference of minimum fluctuation of speed and the mean speed Difference of the maximum and minimum speeds Variations of speed above and below the mean resisting torque line Sum of maximum and minimum speeds Difference of minimum fluctuation of speed and the mean speed Difference of the maximum and minimum speeds Variations of speed above and below the mean resisting torque line Sum of maximum and minimum speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment? D-slide valve Meyer's expansion valve Flywheel Governor D-slide valve Meyer's expansion valve Flywheel Governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Difficult to manufacture Wears rapidly Both (A) and (B) above Bulky Difficult to manufacture Wears rapidly Both (A) and (B) above Bulky ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration is taken into account for Four bar chain mechanism All of these Slider crank mechanism Quick return motion mechanism Four bar chain mechanism All of these Slider crank mechanism Quick return motion mechanism 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 sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a spring controlled governor? Hartung governor Wilson-Hartnell governor Hartnell governor All of these Hartung governor Wilson-Hartnell governor Hartnell governor All of these ANSWER DOWNLOAD EXAMIANS APP
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