If the second law were not true

a ship could be driven by extracting heat from the ocean

run a power plant by extracting heat from the air

According to Kelvin-Planck statement, it is ____ for a heat engine to produce net work in a complete cycle if it exchanges heat only with bodies at ____

impossible, single fixed temperature

impossible, changing temperature

possible, single fixed temperature

Explore topic-wise MCQs in Thermodynamics.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.	If the second law were not true
A.	a ship could be driven by extracting heat from the ocean
B.	run a power plant by extracting heat from the air
C.	both of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

2.	According to Kelvin-Planck statement, it is ____ for a heat engine to produce net work in a complete cycle if it exchanges heat only with bodies at ____
A.	impossible, single fixed temperature
B.	possible, changing temperature
C.	impossible, changing temperature
D.	possible, single fixed temperature
Answer» B. possible, changing temperature

Discussion