Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 90° Lags by 90° Leads by 180° Are in phase Leads by 90° Lags by 90° Leads by 180° Are in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gear teeth are undercut Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles Gear teeth are undercut Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles 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 (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to 10° 30° 20° 40° 10° 30° 20° 40° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 5 4, 6 5, 4 4, 4 4, 5 4, 6 5, 4 4, 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ None of these m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ None of these ANSWER DOWNLOAD EXAMIANS APP
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