Theory of Machine The dynamic friction is the friction experienced by a body, when the body None of these Is at rest Is in motion Just begins to slide over the surface of the other body None of these Is at rest Is in motion Just begins to slide over the surface of the other body 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 In a steam engine, the link constitutes a Connecting rod with big and small end brasses, caps and bolts All of these Piston, piston rod and cross-head Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts All of these Piston, piston rod and cross-head Crank pin, crankshaft and flywheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 5 l = 2p - 2 l = 2p - 3 l = 2p - 4 l = 2p - 5 l = 2p - 2 l = 2p - 3 l = 2p - 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Damping factor Damping coefficient Magnification factor Logarithmic decrement Damping factor Damping coefficient Magnification factor Logarithmic decrement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as Second's pendulum Simple pendulum Torsional pendulum Compound pendulum Second's pendulum Simple pendulum Torsional pendulum Compound pendulum ANSWER DOWNLOAD EXAMIANS APP
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