PE 4B2 Chapter 140 Boiler Maintenance
Exam Questions & Answers (Grade A+)
If you aren't sure of how often you should lubricate a certain piece
of equipment, what should you do?
A. Over lubricate
B. Lubricate it weekly
C. Lubricate it monthly
D. Don't lubricate it
E. Refer to the manufacturer's instructions -
correct answer ✅E
Usually, hoe often do sealed bearings require additional
lubrication?
A. Monthly
B. Semi-annually
C. Yearly
D. Every 3 years
E. Never -
correct answer ✅D
The front and back door gaskets of a fire tube boiler should be
cooled with an anti-seize compound:
A. Which will act as a sealant and prevent leakage
, PE 4B2 Chapter 140 Boiler Maintenance
Exam Questions & Answers (Grade A+)
B. So the gasket will harden and set once temperature is raised
C. Thereby allowing the gasket to move during seating
D. To prevent the gasket from sticking to the mating surfaces
E. So that leaks will show up more readily -
correct answer ✅D
A substance, which will absorb humidity inside a boiler during dry
lay up is:
A. Zeolite
B. Sodium sulphate
C. Sodium chloride
D. Activated alumina
E. Lime soda -
correct answer ✅D
When replacing a tube in a tube sheet, how far should the tube
extend beyond the tube sheet?
A. A distance equal to the tube thickness
B. A distance equal to twice the tube thickness
C. A distance equal to three times the tube thickness
Exam Questions & Answers (Grade A+)
If you aren't sure of how often you should lubricate a certain piece
of equipment, what should you do?
A. Over lubricate
B. Lubricate it weekly
C. Lubricate it monthly
D. Don't lubricate it
E. Refer to the manufacturer's instructions -
correct answer ✅E
Usually, hoe often do sealed bearings require additional
lubrication?
A. Monthly
B. Semi-annually
C. Yearly
D. Every 3 years
E. Never -
correct answer ✅D
The front and back door gaskets of a fire tube boiler should be
cooled with an anti-seize compound:
A. Which will act as a sealant and prevent leakage
, PE 4B2 Chapter 140 Boiler Maintenance
Exam Questions & Answers (Grade A+)
B. So the gasket will harden and set once temperature is raised
C. Thereby allowing the gasket to move during seating
D. To prevent the gasket from sticking to the mating surfaces
E. So that leaks will show up more readily -
correct answer ✅D
A substance, which will absorb humidity inside a boiler during dry
lay up is:
A. Zeolite
B. Sodium sulphate
C. Sodium chloride
D. Activated alumina
E. Lime soda -
correct answer ✅D
When replacing a tube in a tube sheet, how far should the tube
extend beyond the tube sheet?
A. A distance equal to the tube thickness
B. A distance equal to twice the tube thickness
C. A distance equal to three times the tube thickness
