state gov TSPSC Polytechnic Lecturer Mock Test 2022 Thermodynamics Second Law of Thermodynamics and Entropy Efficiency of Reversible Heat Engine
Consider the following statements regarding Carnot engines,
1) The efficiency of a Carnot engine depends on temperatures of Source and sink
2) The efficiency of a Carnot engine depends on the type of working fluid used
3) The efficiency of a Carnot engine depends on the size and design of the engine
Which of the above statements are true?
1
only 1
2
1 and 3
3
1 and 2
4
1,2 and 3