Boiler water is treated in order to prevent
a) sludge, mud, pitting, corrosion
b) foaming, corrosion, carryover, sludge
c) sludge, corrosion, scale, carryover
d) scale, sludge, mud, pitting
e) foaming, carryover, pitting, corrosion
Answer: C
Boiler water is treated in order to prevent
a) sludge, mud, pitting, corrosion
b) foaming, corrosion, carryover, sludge
c) sludge, corrosion, scale, carryover
d) scale, sludge, mud, pitting
e) foaming, carryover, pitting, corrosion