Theory of Machine The approximate straight line mechanism is a 3 bar linkage Four bar linkage 8 bar linkage 6 bar linkage 3 bar linkage Four bar linkage 8 bar linkage 6 bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be isochronous when the controlling force Increases as the radius of rotation increases Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remain constant for all radii of rotation Increases as the radius of rotation increases Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remain constant for all radii of rotation 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 (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Crossed belt drive is recommended Open belt drive is recommended Both open belt drive and crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended Open belt drive is recommended Both open belt drive and crossed belt drive is recommended The drive is recommended depending upon the torque transmitted ANSWER DOWNLOAD EXAMIANS APP
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