2A3 - Chapter 4 - Boiler & Steam
Generator Maintenance & Inspection
Exam Questions & Answers (Grade A+)
Some of the tools used to mechanically clean watertube boiler
tubes are:
1) rotary driven wire brush cleaners
2) cutting heads
3) -
correct answer ✅Some of the tools used to mechanically clean
watertube boiler tubes are:
1)
2)
3) drill heads
Firetube boiler cleaning tools are used to _________________. -
correct answer ✅_________________ boiler cleaning tools are
used to clean soot deposits from the inside of the tubes.
Mechanical cleaning methods are used mostly on
_________________. -
, 2A3 - Chapter 4 - Boiler & Steam
Generator Maintenance & Inspection
Exam Questions & Answers (Grade A+)
correct answer ✅_________________ cleaning methods are used
mostly on firetube and small watertube boilers.
Chemical cleaning methods are used mostly on
_________________. -
correct answer ✅_________________ cleaning methods are used
mostly on large boilers.
Chemical cleaning has the following advantages compared to
mechanical cleaning:
• Less time and fewer maintenance personnel are required. Even a
large unit can usually be cleaned in less than 36 hours
• Inaccessible areas can readily be cleaned and the cleaning is more
thorough than with mechanical cleaning
•-
correct answer ✅Chemical cleaning has the following advantages
compared to mechanical cleaning:
•
•
Generator Maintenance & Inspection
Exam Questions & Answers (Grade A+)
Some of the tools used to mechanically clean watertube boiler
tubes are:
1) rotary driven wire brush cleaners
2) cutting heads
3) -
correct answer ✅Some of the tools used to mechanically clean
watertube boiler tubes are:
1)
2)
3) drill heads
Firetube boiler cleaning tools are used to _________________. -
correct answer ✅_________________ boiler cleaning tools are
used to clean soot deposits from the inside of the tubes.
Mechanical cleaning methods are used mostly on
_________________. -
, 2A3 - Chapter 4 - Boiler & Steam
Generator Maintenance & Inspection
Exam Questions & Answers (Grade A+)
correct answer ✅_________________ cleaning methods are used
mostly on firetube and small watertube boilers.
Chemical cleaning methods are used mostly on
_________________. -
correct answer ✅_________________ cleaning methods are used
mostly on large boilers.
Chemical cleaning has the following advantages compared to
mechanical cleaning:
• Less time and fewer maintenance personnel are required. Even a
large unit can usually be cleaned in less than 36 hours
• Inaccessible areas can readily be cleaned and the cleaning is more
thorough than with mechanical cleaning
•-
correct answer ✅Chemical cleaning has the following advantages
compared to mechanical cleaning:
•
•