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Question 6 Not yet answered Marked out of 5.00 P Flag question In Rankine cycle, working fluid ----, in Brayton cycle working fluid a. remains in gaseous phase, undergoes phase change O b. undergoes phase change, undergoes phase change O c. undergoes phase change, remains in gaseous phase d. remains in gaseous phase, remains in gaseous phase
Question 7 Not yet answered Marked out of 5.00 P Flag question The Otto cycle consists of a. two reversible isochores and two reversible adiabatics O b. two reversible isotherms and two reversible isochores O c. two reversible isotherms and two reversible isobars d. two reversible isobars and two reversible adiabatics
Question 8 Not yet answered Marked out of 5.00 P Flag question The efficiency of Brayton cycle depends on a. compression ratio O b. pressure ratio C. either compression ratio or pressure ratio d. both compression ratio and pressure ratio
Question 9 Not yet answered Marked out of 5.00 Flag question How can regeneration be used to improve the efficiency of Brayton cycle? O a. the energy of exhaust gas can be used to heat up the air which leaves the compressor O b. heat supplied from external source thus decreases O c. the amount of heat rejected also decreases O d. all of the mentioned