Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Forward Backward Downward Upward Forward Backward Downward Upward 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 (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Sixteen times Four times Eight times Twice Sixteen times Four times Eight times Twice ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To connect two parallel and coplanar shafts the following type of gearing is used Spiral gear None of the listed here Bevel gear Spur gear Spiral gear None of the listed here Bevel gear Spur gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Transverse vibrations Longitudinal vibrations Torsional vibrations All of these Transverse vibrations Longitudinal vibrations Torsional vibrations All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Maximum Zero None of these Minimum Maximum Zero None of these Minimum ANSWER DOWNLOAD EXAMIANS APP
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