Consider an ideal gas-turbine cycle with two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300 K and each stage of the turbine at 1200 K. Assume an efficiency of 86 percent for each compressor stage and an efficiency of 90 percent for each turbine stage. Determine the back work ratio and the thermal efficiency of the cycle, assuming: a. no regenerator is used
b. a regenerator with 75 percent effectiveness is used.

the warning light flashes for a second or two when the engine starts. if it stays on, there's must be something wrong with the coolant. you should never dare to continue driving when the light is on. pull over as soon as possible and shut the engine off.

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answer: chicken nuggets.

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