Theory of Machine The relative velocity of B with respect to A in a rigid link AB is At 45° to AB Along AB Parallel to AB Perpendicular to AB At 45° to AB Along AB Parallel to AB Perpendicular to AB 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 sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when Two of the links are fixed None of these None of the links is fixed One of the links is fixed Two of the links are fixed None of these None of the links is fixed One of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An exact straight line motion mechanism is a All of these Scott-Russell's mechanism Hart's mechanism Peaucellier's mechanism All of these Scott-Russell's mechanism Hart's mechanism Peaucellier's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂)2r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ + ω₂)r (ω₁ - ω₂)2r ω₁.ω₂.r (ω₁ - ω₂)r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 10 30 20 34 10 30 20 34 ANSWER DOWNLOAD EXAMIANS APP
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