Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Higher pair Self-closed pair Force-closed pair Lower pair Higher pair Self-closed pair Force-closed pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of the path of approach)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of speed to the mean speed is called Coefficient of fluctuation of speed None of these Fluctuation of speed Maximum fluctuation of speed Coefficient of fluctuation of speed None of these Fluctuation of speed Maximum fluctuation of 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 (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be 100 RPM 80 RPM data are insufficient 90 RPM 100 RPM 80 RPM data are insufficient 90 RPM ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used to determine acceleration of various parts when the crank is at Inner dead centre Right angles to the link of the stroke Outer dead centre All of the listed here Inner dead centre Right angles to the link of the stroke Outer dead centre All of the listed here ANSWER DOWNLOAD EXAMIANS APP