True or false on thermodynamics

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The zeroth law defines temperature.

2. Statement is true

   No

   Statement

   An adiabatic wall lets heat pass freely.

3. Statement is true

   Yes

   Statement

   Isothermal means the temperature is fixed.

4. Statement is true

   No

   Statement

   Heat can pass by itself from cold to hot.

5. Statement is true

   Yes

   Statement

   Entropy of an isolated system never falls.

6. Statement is true

   No

   Statement

   A heat engine works in a straight line.

Instructions

Decide whether each statement is true or false.

Explanation