Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Bevel gearing Helical gearing Spur gearing Spiral gearing Bevel gearing Helical gearing Spur gearing Spiral gearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n/2 n - 1 n n(n - 1)/2 n/2 n - 1 n n(n - 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω² √(r² - x²) ω √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω² √(r² - x²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Over-damped Critically damped Under damped Without vibrations Over-damped Critically damped Under damped Without vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the particles of a body moves perpendicular to its axis, then the body is said to have Transverse vibration Longitudinal vibration None of these Torsional vibration Transverse vibration Longitudinal vibration None of these Torsional vibration 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
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