In a Dual cycle, the volume at the end of the isentropic compression is 0.07 L and the pressure at the beginning of the compression stroke is 1 bar. If the swept volume of the cycle is 0.81 L. the volume ratio during the constant pressure heat addition process is 2.2, the pressure ratio during the constant volume heat addition process is 1.95, the specific heat ratio is y=1.32 and the work done is 450 kj/kg, the heat rejected in kj per kg of air is: Select one: O a. 621.4 O b. 446.3 O c. 124.5 O d. 705.2

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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11586
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Od. 0.857
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In a Dual cycle, the volume at the end of the isentropic compression is 0.07 L and the pressure at the beginning of the
compression stroke is 1 bar. If the swept volume of the cycle is 0.81 L, the volume ratio during the constant pressure
heat addition process is 2.2, the pressure ratio during the constant volume heat addition process is 1.95, the specific
heat ratio is y=1.32 and the work done is 450 kJ/kg, the heat rejected in kj per kg of air is:
Select one:
Oa. 621.4
Ob. 446.3
Oc. 124.5
O d. 705.2
In a Diesel cycle, the air at the beginning of the isentropic compression is at 1 bar The volume at the end of the
isentropit compression process is 0.07 L. the displaced volume of the cycle is 0.78 L the temperature at the beginning of
the compression process is 27 C. the pressure at the end of the expansion process is 2.3 bar, the specific heat ratio is
=1.35, the specific heat at constant volume Cy = 0.77 kl/kg K and the gas constant is 287 j/kg. K for air.
Thoose... +
The compression ratio is:
The specific heat at constant pressure in k/kg.Kis
Transcribed Image Text:11586 D (1) WhatsApp ses This course Od. 0.857 EHide blocks In a Dual cycle, the volume at the end of the isentropic compression is 0.07 L and the pressure at the beginning of the compression stroke is 1 bar. If the swept volume of the cycle is 0.81 L, the volume ratio during the constant pressure heat addition process is 2.2, the pressure ratio during the constant volume heat addition process is 1.95, the specific heat ratio is y=1.32 and the work done is 450 kJ/kg, the heat rejected in kj per kg of air is: Select one: Oa. 621.4 Ob. 446.3 Oc. 124.5 O d. 705.2 In a Diesel cycle, the air at the beginning of the isentropic compression is at 1 bar The volume at the end of the isentropit compression process is 0.07 L. the displaced volume of the cycle is 0.78 L the temperature at the beginning of the compression process is 27 C. the pressure at the end of the expansion process is 2.3 bar, the specific heat ratio is =1.35, the specific heat at constant volume Cy = 0.77 kl/kg K and the gas constant is 287 j/kg. K for air. Thoose... + The compression ratio is: The specific heat at constant pressure in k/kg.Kis
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