In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by

• A. <img src="/_files/images/mechanical-engineering/compressors-gas-dynamics-and-gas-turbines/372-68-1.png">
• B. <img src="/_files/images/mechanical-engineering/compressors-gas-dynamics-and-gas-turbines/372-68-2.png">
• C. <img src="/_files/images/mechanical-engineering/compressors-gas-dynamics-and-gas-turbines/372-68-3.png">
• D. <img src="/_files/images/mechanical-engineering/compressors-gas-dynamics-and-gas-turbines/372-68-4.png">