Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced completely Not balanced Balanced by secondary forces Balanced partially Balanced completely Not balanced Balanced by secondary forces Balanced partially ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as Tractive force Swaying couple Hammer blow None of these Tractive force Swaying couple Hammer blow None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 6 4, 5 4, 4 5, 4 4, 6 4, 5 4, 4 5, 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Product Sum Ratio Difference Product Sum Ratio Difference ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the center of drum, and n = Number of blocks) T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = μ. θ. n T₁/T₂ = (μ θ)n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = μ. θ. n T₁/T₂ = (μ θ)n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
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