NCCER BOILERMAKER MAINTENANCE EXAM COMPLETE 150
QUESTIONS AND CORRECT DETAILED ANSWERS
When making a Pipe thread connection where should you apply liquid lubricant? - ANSWER-Male
threads
When making a tight close seal on a threaded pipe which wrench should you use? - ANSWER-Pipe
Wrench
When is it allowed for the load not to have a tag line? - ANSWER-Both OSHA and industry standards
require the use of taglines unless the load configuration and weather conditions are such that load
control is not needed
What does packing do for the valve stem? - ANSWER-Stop it from leaking
What is the safest way to light an oxy acetylene? - ANSWER-Friction starter
When sealing an exchanger tube how do you seal it? - ANSWER-Pop-A-Plug
How do you use two straps together? - ANSWER-Shackle
What way will the shackle bolt face when rigged with 4 slings? - ANSWER-Bolt down
What is a combination square - ANSWER-(Picture)
If you were needing to make a repair on a "U"tube bundle what needs to be removed? - ANSWER-Dollar
Plate
What components are attached to the baffle on an exchanger tube bundle? - ANSWER-Tie Rods
, In order to get the bundle to line up with the shell side gasket the best tool to use to lift the bundle is a?
- ANSWER-Drift Pin
How far should a screw eye bolt be screwed in so it's properly seated? - ANSWER-All the way in
Pack beds are bound in all of the following except for? - ANSWER-Furnaces
What do baffles do for an exchanger bundle? - ANSWER-Support the tubs during assembly and
operations and help prevent vibration from flow-induced eddies
What is the proper way to place a pin in a shackle? - ANSWER-All the way and back it out a hair
How should a gasket face when using nubbin? - ANSWER-Smooth side towards the nubbin
What is the purpose for nubbin? - ANSWER-Predominately machined into a heat exchanger flange to
create a high stress to produce a tighter seal
What type of wrench measures how much a fastener is being tightened? - ANSWER-Torque
Where would the usage of a RTJ Gasket be found? - ANSWER-High Pressure System
Washers are used to prevent fasteners from marrying? - ANSWER-Surface
To pull a bundle from the shell the eyebolts should be installed on the? - ANSWER-Tube steel
What type of bolt can be used as a lifting device? - ANSWER-Eye Bolt
At what angle is a chain fall usually used? - ANSWER-Vertical
Pipeline PNID ask for what size the main line is - ANSWER-12"
QUESTIONS AND CORRECT DETAILED ANSWERS
When making a Pipe thread connection where should you apply liquid lubricant? - ANSWER-Male
threads
When making a tight close seal on a threaded pipe which wrench should you use? - ANSWER-Pipe
Wrench
When is it allowed for the load not to have a tag line? - ANSWER-Both OSHA and industry standards
require the use of taglines unless the load configuration and weather conditions are such that load
control is not needed
What does packing do for the valve stem? - ANSWER-Stop it from leaking
What is the safest way to light an oxy acetylene? - ANSWER-Friction starter
When sealing an exchanger tube how do you seal it? - ANSWER-Pop-A-Plug
How do you use two straps together? - ANSWER-Shackle
What way will the shackle bolt face when rigged with 4 slings? - ANSWER-Bolt down
What is a combination square - ANSWER-(Picture)
If you were needing to make a repair on a "U"tube bundle what needs to be removed? - ANSWER-Dollar
Plate
What components are attached to the baffle on an exchanger tube bundle? - ANSWER-Tie Rods
, In order to get the bundle to line up with the shell side gasket the best tool to use to lift the bundle is a?
- ANSWER-Drift Pin
How far should a screw eye bolt be screwed in so it's properly seated? - ANSWER-All the way in
Pack beds are bound in all of the following except for? - ANSWER-Furnaces
What do baffles do for an exchanger bundle? - ANSWER-Support the tubs during assembly and
operations and help prevent vibration from flow-induced eddies
What is the proper way to place a pin in a shackle? - ANSWER-All the way and back it out a hair
How should a gasket face when using nubbin? - ANSWER-Smooth side towards the nubbin
What is the purpose for nubbin? - ANSWER-Predominately machined into a heat exchanger flange to
create a high stress to produce a tighter seal
What type of wrench measures how much a fastener is being tightened? - ANSWER-Torque
Where would the usage of a RTJ Gasket be found? - ANSWER-High Pressure System
Washers are used to prevent fasteners from marrying? - ANSWER-Surface
To pull a bundle from the shell the eyebolts should be installed on the? - ANSWER-Tube steel
What type of bolt can be used as a lifting device? - ANSWER-Eye Bolt
At what angle is a chain fall usually used? - ANSWER-Vertical
Pipeline PNID ask for what size the main line is - ANSWER-12"
