Theory of Machine The lower pairs are _________ pairs. Friction closed Self-closed None of these Force-closed Friction closed Self-closed None of these Force-closed 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 cosecθ W cosθ W tanθ W sinθ W cosecθ W cosθ W tanθ W sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is used when Crank has nonuniform angular acceleration Crank has uniform angular acceleration Crank has nonuniform angular velocity Crank has uniform angular velocity Crank has nonuniform angular acceleration Crank has uniform angular acceleration Crank has nonuniform angular velocity Crank has uniform angular velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W cos(α + φ) P = W tan(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α + φ) P = W tan(α - φ) P = W tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Mean speed to the maximum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the minimum equilibrium speed Mean speed to the maximum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₁/S₂ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₂/S₁ = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
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