What is the main purpose of checking an engineering answer physically in thermofluids problems?
Question 2
Which of the following is the best example of a physical reasonableness check?
Question 3
Why are units important when checking engineering answers physically?
Question 4
A calculated temperature in a heat exchanger is $-20\,^{\circ}\text{C}$ for a fluid that must stay liquid above $0\,^{\circ}\text{C}$. What should a student do first?
Question 5
What does it mean to check the order of magnitude of an answer?
