Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line At 45° to line as per (A) Not possible to determine with these data Joining the corresponding points Perpendicular to line as per (A) At 45° to line as per (A) Not possible to determine with these data Joining the corresponding points Perpendicular to line as per (A) 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 cotθ = cosα sinθ = ± tanα tanθ = ± cosα cosθ = sinα cotθ = cosα sinθ = ± tanα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ¾μWR ½μWR μwr ²/₃ μWR ¾μWR ½μWR μwr ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Close pair Higher pair Lower pair Open pair Close pair Higher pair Lower pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. None of the listed here Less Same More None of the listed here Less Same More ANSWER DOWNLOAD EXAMIANS APP
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