7. The efficiency of Carnot cycle depends upon a. temperature limits b. pressure ratio c. volume compression ratio d. cut-off ratio and compression ratio 8. The compression ratio is the ratio of a. swept volume to total volume b. total volume to swept volume c. swept volume to clearance volume d. total volume to clearance volume 9. The ratio of isothermal power to actual measured input power of a compressor is known as: a. Isothermal efficiency b. Volumetric Efficiency c. Barometric efficiency d. None 10. The part use for heat rejection in the Rankine Cycle is: a. Turbine b. Boiler c. Condenser d. Pump

7. The efficiency of Carnot cycle depends upon a. temperature limits b. pressure ratio c. volume compression ratio d. cut-off ratio and compression ratio 8. The compression ratio is the ratio of a. swept volume to total volume b. total volume to swept volume c. swept volume to clearance volume d. total volume to clearance volume 9. The ratio of isothermal power to actual measured input power of a compressor is known as: a. Isothermal efficiency b. Volumetric Efficiency c. Barometric efficiency d. None 10. The part use for heat rejection in the Rankine Cycle is: a. Turbine b. Boiler c. Condenser d. Pump

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider a modification of the cold air-standard Otto cycle in which the isentropic compression and expansion processes are each replaced with polytropic processes having n = 1.3. The compression ratio is 12 for the modified cycle. At the beginning of compression, p1 = 1 bar and T1 = 300 K and V1 = 2270 cm3. The maximum temperature during the cycle is 2000 K. Determine the thermal eficiency, for the modified cycle. A) 49.77 B) 58.48 C) 52.51 (D) 48.27
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine p2 in kPa. (A) 3380.02 B) 4431.27 (C) 2528.92 D) 3675.83
What are the examples of Centrifugal Fans that can be use in the industry or everyday living?
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine p2 in kPa.
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine the heat transfer during heat addition process per unit mass in kJ/kg. A) 3865.1 B) 4104.58 C) 3838.71 (D) 4154.44
Question 2
Mechanical EngineeringThermodynamicsTopic: Rankine Cycles
pls ans quikly with 20 min
17. Derive a relation for the optimum rp of a gas turbine operating on a Brayton cycle having the turbine and the compressor efficiencies of 7, and ne, respectively. [Ans.: rp = (N.N,rp)" where ß= y/2(y- 1)].