engineering recuitment HPCL Junior Executive 2025 Mock Test Power Engineering Gas and Vapor Power Cycles Rankine Cycle
When two binary vapour cycles (with topping cycle and bottoming cycle) are coupled in series, what is the overall efficiency?
1
η1 + η2
2
η1η2
3
η1 + η2 – η1η2
4
\(\frac{1}{{{\eta _1}}} + \frac{1}{{{\eta _2}}}\)