Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called None of these Maximum fluctuation of energy Coefficient of fluctuation of energy Fluctuation of energy None of these Maximum fluctuation of energy Coefficient of fluctuation of energy Fluctuation of energy 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 (sin 2θ/n) 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an open pair? Cam and follower Ball and socket joint Journal bearing Lead screw and nut Cam and follower Ball and socket joint Journal bearing Lead screw and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r sinφ (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ r cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum __________ in one revolution of the crank. Four times Eight times Sixteen times Two times Four times Eight times Sixteen times Two times ANSWER DOWNLOAD EXAMIANS APP
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 Spur gearing Helical gearing Bevel gearing Spiral gearing Spur gearing Helical gearing Bevel gearing Spiral gearing ANSWER DOWNLOAD EXAMIANS APP