7 Which of the following statements about Air Standard Assum

7. Which of the following statements about “Air Standard Assumptions” is FALSE? (Select the best response.)

a) The working fluid is air, which behaves as an Ideal Gas.

b) All processes in the cycle are internally reversible.

c) Analysis of the system should be undertaken using Constant Specific Heats.

d) Analysis of the system should be undertaken using Variable Specific Heats.

e) The combustion and exhaust process are modeled as heat transfer processes.

Solution

Answer

Option D - analysis of the system should be undertaken using variable specific heat .

The specific heat should be constant to carry out the process . generally it is considered at 25 degree Celsius