SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Power Engineering Gas and Vapor Power Cycles Brayton Cycle
Air enters the compressor of a gas turbine plant operating on an air-standard Brayton cycle at 100 kPa and 300 K. The compressor pressure ratio is 10. What will be the isentropic compression work per kg of air? [Given, γ = 1.4, Constant pressure Specific heat of air = 1.0 kJ/kg-K, (10)2/7 = 1.9]
1
470 kJ/kg
2
270 kJ/kg
3
570 kJ/kg
4
300 kJ/kg