Theory of Machine At the nodal point in a shaft, the amplitude for torsional vibration will be Zero Infinity Minimum Maximum Zero Infinity Minimum Maximum 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 cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. The interference is inherently absent. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The variation in centre distance of shafts increases radial force. The interference is inherently absent. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be Involute Cycloidal A straight line A circle Involute Cycloidal A straight line A circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Torsional vibrations None of these Transverse vibrations Longitudinal vibrations Torsional vibrations None of these Transverse vibrations Longitudinal vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 600°K 700°K 650°K 625°K 600°K 700°K 650°K 625°K ANSWER DOWNLOAD EXAMIANS APP