: Detailed breakdown of required knowledge areas like metallurgy and thermodynamics. : The Handbook of Formulae and Physical Constants
The standard 2nd Class program is divided into two main parts, each containing three volumes. While "free" PDFs of these are rarely available legally, you can purchase digital access or find used copies on community boards. Part A (2A1, 2A2, 2A3): 2nd class power engineering books pdf