Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Sum Difference Product Ratio Sum Difference Product Ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross 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 In a screw jack, the effort required to lower the load W is given by P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts Along the direction of acceleration force Perpendicular to the acceleration force None of the listed here Opposite to the direction of acceleration force Along the direction of acceleration force Perpendicular to the acceleration force None of the listed here Opposite to the direction of acceleration force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be cor, 0 0, and less than coV 0, and more than co2r 0, 0 cor, 0 0, and less than coV 0, and more than co2r 0, 0 ANSWER DOWNLOAD EXAMIANS APP