Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 700°K 600°K 625°K 650°K 700°K 600°K 625°K 650°K ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.6253/√δ 0.4985/√δ 0.5615/√δ 0.571/√δ 0.6253/√δ 0.4985/√δ 0.5615/√δ 0.571/√δ 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 sin β μ₁ = μ cos β μ₁ = μ/cos β μ₁ = μ/sin β μ₁ = μ sin β μ₁ = μ cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness Increasing the ball mass Increasing the spring stiffness Decreasing the ball mass Decreasing the spring stiffness Increasing the ball mass Increasing the spring stiffness Decreasing the ball mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.8 0.2 0.4 0.6 0.8 0.2 0.4 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
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