Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Rotary engine Universal joint Whitworth quick return mechanism Elliptical trammels Rotary engine Universal joint Whitworth quick return mechanism Elliptical trammels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An automobile steering gear is an example of Lower pair Sliding pair Higher pair Rolling pair Lower pair Sliding pair Higher pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 10°-15° 30°-40° 15°-25° 25°-30° 10°-15° 30°-40° 15°-25° 25°-30° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Scotch yoke mechanism is used to generate Sine functions Square roots Inversions Logarithms Sine functions Square roots Inversions Logarithms ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism ANSWER DOWNLOAD EXAMIANS APP
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