Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. 1/n times Two-third n times One-half 1/n times Two-third n times One-half ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following can completely balance several masses revolving in different planes on a shaft? Two masses in any two planes A single mass in one of the planes of the revolving masses Two equal masses in any two planes A single mass in different planes Two masses in any two planes A single mass in one of the planes of the revolving masses Two equal masses in any two planes A single mass in different planes 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 (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts Opposite to the direction of acceleration force Perpendicular to the acceleration force Along the direction of acceleration force None of the listed here Opposite to the direction of acceleration force Perpendicular to the acceleration force Along the direction of acceleration force None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience No acceleration Both angular and linear accelerations Angular acceleration Linear acceleration No acceleration Both angular and linear accelerations Angular acceleration Linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod ANSWER DOWNLOAD EXAMIANS APP