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 natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) 0.4985/√δ Any one of the listed here 1/2π × √(s/m) 1/2π × √(g/δ) 0.4985/√δ Any one of the listed here 1/2π × √(s/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Watt governor Pickering governor Hartnell governor Porter governor Watt governor Pickering governor Hartnell governor Porter governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has 3 links 5 links 4 links 2 links 3 links 5 links 4 links 2 links 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 sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP