Theory of Machine A pulley and belt in a belt drive form a Sliding pair Rolling pair Cylindrical pair Turning pair Sliding pair Rolling pair Cylindrical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Sliding Screw Rolling Turning Sliding Screw Rolling Turning ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Cylinder and piston Crankshaft and flywheel Flywheel and engine frame Piston rod and connecting rod Cylinder and piston Crankshaft and flywheel Flywheel and engine frame Piston rod and connecting rod 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 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) m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) I ω ωP Iω² (1/2). I ω ωP (1/2).Iω² I ω ωP Iω² (1/2). I ω ωP (1/2).Iω² 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
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