What Is the Major Cost Element of the Railroad

question 39

Multiple Choice

What is the major cost element of the railroad?

• A) operation and maintenance of locomotives
• B) operation and maintenance of rights
• C) operation and maintenance of railcars
• D) operation and maintenance of yards and terminals

---

Definitions:

Methanol

A simple alcohol with the formula CH3OH, known for being a volatile, colorless, and flammable liquid.

Base

A substance that can accept protons or release hydroxide ions in aqueous solutions.

pKa

A quantitative measurement that describes the acidity of a substance, specifically the negative log of the acid dissociation constant (Ka).

Acid Strength

A measure of the propensity of a compound to donate a proton (H+) in an aqueous solution, often quantified by the acid dissociation constant (Ka).