The change in volume of the boiler cylinder per unit volume will be
A. εc + 2εl
B. 2εc + εl
C. εc + εl²
D. εc² + εl
Answer:A
The change in volume of the boiler cylinder per unit volume will be
A. εc + 2εl B. 2εc + εl C. εc + εl² D. εc² + εl