Home
Learn about new technologies!

What is the correct answer?

4

The Locomotive boiler has

A. 137 fire tubes and 44 superheated tubes

B. 147 fire tubes and 34 superheated tubes

C. 157 fire tubes and 24 superheated tubes

D. 167 fire tubes and 14 superheated tubes

Please do not use chat terms. Example: avoid using "grt" instead of "great".