Test Index

JEE Main Physics Class 11 Thermodynamics Part 1 Questions

© examsnet.com

Question : 74

Total: 100

This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements.
Statement 1: An inventor claims to have constructed an engine that has an efficiency of 30% when operated between the boiling and freezing points of water. This is not possible.
Statement 2: The efficiency of a real engine is always less than the efficiency of a Carnot engine operating between the same two temperatures.

[Online May 19, 2012]

Statement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.
Statement 1 is true, Statement 2 is false.
Statement 1 is false, Statement 2 is true.
Statement 1 is true, Statement 2 is true, Statement 2 is the correct explanation of Statement 1.

Go to Question:

Prev Question

Next Question