Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 529.2 N-s/m 18.52 N-s/m 1.4 N-s/m 52.92 N-s/m 529.2 N-s/m 18.52 N-s/m 1.4 N-s/m 52.92 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. One-half Three-fourth Two-third Whole One-half Three-fourth Two-third Whole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with increasing time period Oscillate with decreasing amplitude Return to equilibrium position without oscillation Oscillate with constant amplitude Oscillate with increasing time period Oscillate with decreasing amplitude 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/sin β μ₁ = μ/cos β μ₁ = μ sin β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ/cos β μ₁ = μ sin β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Grasshopper mechanism Robert’s mechanism Watt’s mechanism Peaucellier’s mechanism Grasshopper mechanism Robert’s mechanism Watt’s mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of gears used to connect two non parallel and non intersecting shafts is Bevel gear Helical gear Spiral gear Spur gear Bevel gear Helical gear Spiral gear Spur gear ANSWER DOWNLOAD EXAMIANS APP
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