Theory of Machine The maximum fluctuation of speed is the Difference of minimum fluctuation of speed and the mean speed Variations of speed above and below the mean resisting torque line Sum of maximum and minimum speeds Difference of the maximum and minimum speeds Difference of minimum fluctuation of speed and the mean speed Variations of speed above and below the mean resisting torque line Sum of maximum and minimum speeds Difference of the maximum and minimum speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Above the critical speed Near the critical speed None of these Below the critical speed Above the critical speed Near the critical speed None of these Below the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary 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 sinθ 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a Meyer's expansion valve D-slide valve Flywheel Governor Meyer's expansion valve D-slide valve Flywheel Governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Torsional vibrations Longitudinal vibrations Transverse vibrations None of these Torsional vibrations Longitudinal vibrations Transverse vibrations None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is due to the Secondary unbalanced force Partial balancing Two cylinders of locomotive Primary unbalanced force Secondary unbalanced force Partial balancing Two cylinders of locomotive Primary unbalanced force ANSWER DOWNLOAD EXAMIANS APP