Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Grasshopper mechanism Peaucellier’s mechanism Robert’s mechanism Watt’s mechanism Grasshopper mechanism Peaucellier’s mechanism Robert’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is due to the Partial balancing Secondary unbalanced force Two cylinders of locomotive Primary unbalanced force Partial balancing Secondary unbalanced force Two cylinders of locomotive Primary unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Power of a governor is the Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have line contact Permit relative motion Are held together Have surface contact Have line contact Permit relative motion Are held together Have surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/cos β μ₁ = μ cos β μ₁ = μ sin β μ₁ = μ/sin β μ₁ = μ/cos β μ₁ = μ cos β μ₁ = μ sin β μ₁ = μ/sin β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Reciprocal of velocity ratio of a gear train Always less than unity Always greater than unity Equal to velocity ratio of a gear train Reciprocal of velocity ratio of a gear train Always less than unity Always greater than unity Equal to velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS