Theory of Machine A pantograph is a mechanism with Higher pairs Rolling pairs Lower pairs Turning pairs Higher pairs Rolling pairs Lower pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cosθ = sinα sinθ = ± tanα cotθ = cosα tanθ = ± cosα cosθ = sinα sinθ = ± tanα cotθ = cosα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Clearance between journal and bearing Magnitude of the forces on journal Radius of journal Angular velocity of journal Clearance between journal and bearing Magnitude of the forces on journal Radius of journal Angular velocity of journal 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 cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at The center of the disc The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The point of contact The center of the disc The point on the circumference situated vertically opposite to the contact point An infinite distance on the plane surface The point of contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is ωv 2ωv² 2ωv ω²v ωv 2ωv² 2ωv ω²v ANSWER DOWNLOAD EXAMIANS APP