Theory of Machine The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension. Double Two-third Three times One-third Double Two-third Three times One-third ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In its simplest form, a cam mechanism consists of following number of links 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b is also +ve a is +ve and b = 0 a = 0 and b is +ve a is +ve and b is -ve a is +ve and b is also +ve a is +ve and b = 0 a = 0 and b is +ve a is +ve and b is -ve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is used when Crank has nonuniform angular acceleration Crank has uniform angular velocity Crank has uniform angular acceleration Crank has nonuniform angular velocity Crank has nonuniform angular acceleration Crank has uniform angular velocity Crank has uniform angular acceleration Crank has nonuniform angular velocity 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 critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Torsional vibrations All of these Transverse vibrations Longitudinal vibrations Torsional vibrations All of these Transverse vibrations Longitudinal vibrations ANSWER DOWNLOAD EXAMIANS APP