Engineering Thermodynamics The following cycle is used for air craft refrigeration Brayton cycle Joule cycle Reversed Brayton cycle Carnot cycle Brayton cycle Joule cycle Reversed Brayton cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Petrol is distilled at 345° to 470°C 220° to 345°C 470° to 550°C 65° to 220°C 345° to 470°C 220° to 345°C 470° to 550°C 65° to 220°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy Enables to determine change in internal energy of the system Provides relationship between heat, work and internal energy All of these Does not enable to determine change in entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Heat transfer with a finite temperature difference Unrestricted expansion Mechanical and fluid friction All of these Heat transfer with a finite temperature difference Unrestricted expansion Mechanical and fluid friction All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Heat transfer is zero Both (A) and (B) above Work done is zero Work done is zero but heat increases Heat transfer is zero Both (A) and (B) above Work done is zero ANSWER DOWNLOAD EXAMIANS APP
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