Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the pin joint At the center of curvature On their point of contact At the center of circle At the pin joint At the center of curvature On their point of contact At the center of circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Pickering governor Porter governor Hartnell governor Watt governor Pickering governor Porter governor Hartnell governor Watt governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut 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 The minimum force required to slide a body of weight W on a rough horizontal plane is W cosθ W tanθ W sinθ W cosecθ W cosθ W tanθ W sinθ W cosecθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that None of these Governor B is more sensitive than governor A Both governors A and B are equally sensitive Governor A is more sensitive than governor B None of these Governor B is more sensitive than governor A Both governors A and B are equally sensitive Governor A is more sensitive than governor B ANSWER DOWNLOAD EXAMIANS APP
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