An advantage of a locomotive boiler over other boilers of the era was
a) rugged construction
b) better cleaning and repair access
c) improved water circulation
d) less stays were required
e) lower maintenance costs
Answer: A
An advantage of a locomotive boiler over other boilers of the era was
a) rugged construction
b) better cleaning and repair access
c) improved water circulation
d) less stays were required
e) lower maintenance costs