Last Updated：2025/12/31
Sentence
These
locomotives
have
now
had
their
economisers
removed,
while
retaining
the
boilers
of
smaller-than-standard
diameter
….
Trouble,
however,
is
being
experienced
owing
to
the
fact
that,
without
the
retarding
and
lowering
effect
of
the
economiser
on
the
velocity
and
temperature
respectively
of
the
firebox
gases,
severe
burning
of
the
superheater
elements
is
occurring.
Quizzes for review
These locomotives have now had their economisers removed, while retaining the boilers of smaller-than-standard diameter …. Trouble, however, is being experienced owing to the fact that, without the retarding and lowering effect of the economiser on the velocity and temperature respectively of the firebox gases, severe burning of the superheater elements is occurring.
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