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Mechanical Engineering Compressors, Gas Turbines And Jet Engines Difficulty: Medium

The maximum delivery pressure in a rotary air compressor is When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? The equation of motion for a single degree of freedom system with viscous damping is $$4\frac{{{{\text{d}}^2}{\text{x}}}}{{{\text{d}}{{\text{t}}^2}}} + 9\frac{{{\text{dx}}}}{{{\text{dt}}}} + 16{\text{x}} = 0.$$ The damping ratio of the system is The direction of linear velocity of any point on a link with respect to another point on the same link is