Theory of Machine A kinematic chain requires at least 3 links and 4 turning pairs 2 links and 3 turning pairs 4 links and 4 turning pairs 5 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs 4 links and 4 turning pairs 5 links and 4 turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pair is known as a higher pair, when the relative motion between the elements of a pair is Rolling only Partly turning and partly sliding Sliding only Turning only Rolling only Partly turning and partly sliding Sliding only Turning only 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 = 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 T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = (μ θ)n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum __________ in one revolution of the crank. Two times Four times Eight times Sixteen times Two times Four times Eight times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Secondary forces and couples must be balanced Both (A) and (B) Primary forces and couples must be balanced None of these Secondary forces and couples must be balanced Both (A) and (B) Primary forces and couples must be balanced None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 28 8 30 15 28 8 30 15 ANSWER DOWNLOAD EXAMIANS APP