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 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) At 45° to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Turning pair Screw pair Rolling pair Spherical pair Turning pair Screw pair Rolling pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Variation in tractive force along the line of stroke All of these Hammer blow Swaying couple Variation in tractive force along the line of stroke All of these Hammer blow Swaying couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] 2.E.CS All of these I.ω².CS I.ω.(ω₁ - ω₂) 2.E.CS All of these I.ω².CS I.ω.(ω₁ - ω₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Three pairs turning and one pair sliding One pair turning and three pairs sliding All four pairs are turning Two pairs turning and two pairs sliding Three pairs turning and one pair sliding One pair turning and three pairs sliding All four pairs are turning Two pairs turning and two pairs sliding 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 (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
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