Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 90° to each other 45° to each other 120° to each other 180° to each other 90° to each other 45° to each other 120° to each other 180° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.5615/ √δS 0.571/ √δS 0.6253/ √δS 0.4985/ √δS 0.5615/ √δS 0.571/ √δS 0.6253/ √δS 0.4985/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ½μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. The length of the belt is π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable. Increases Remains constant Decreases None of these Increases Remains constant Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
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