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) ¾μWR ²/₃ μWR μwr ½μWR ¾μWR ²/₃ μWR μwr ½μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If some links are connected such that motion between them can take place in more than one direction, it is called Incompletely constrained motion Completely constrained motion Successfully constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion Partially constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The following is the inversion of slider crank chain mechanism Oscillating cylinder engine Hand pump All of these Whitworth quick return mechanism Oscillating cylinder engine Hand pump All of these Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectilinear motion of piston is converted into rotary by Connecting rod Gudgeon pin Cross head Slider crank Connecting rod Gudgeon pin Cross head Slider crank ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Neither fixed nor permanent instantaneous centers None of these Fixed instantaneous centers Permanent instantaneous centers Neither fixed nor permanent instantaneous centers None of these Fixed instantaneous centers Permanent instantaneous centers 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
EXAMIANS