engineering recuitment DVC Junior Engineer Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Carnot's Theorem and its Corollary
Which of the following is true?
1
A reservoir that supplies energy in the form of heat is known as a thermal energy sink.
2
A reservoir that absorbs energy in the form of heat is known as a thermal energy source.
3
A reservoir that supplies energy in the form of heat is known as a thermal energy source.
4
The thermal efficiency of heat engine is always 100%.