Heat exchanger designs from oldest to newest are
A) tubular, serpentine, clamshell, barrel B) clamshell, barrel, tubular, serpentine
C) serpentine, barrel, tubular, serpentine D) barrel shaped, clamshell, serpentine, tubular
Question 2
Pitting, blistering, and corrosion are all indicators of _____.
a. mechanical failures
b. incorrect seal composition
c. improperly installed components
d. improper shaft alignment