NCCER BOILERMAKER EVALUATION TEST
QUESTIONS AND ANSWERS SET A+
✔✔The best source for information about welding on a tube is the - ✔✔QA/QC
✔✔Equal width grating panels are being unloaded on the job site. One piece measures
4 1/2 FT in width. There are 7 panels, what is the total width when all the panels are laid
side-by-side? - ✔✔31 1/2 FT
✔✔What is the demister pad used for? - ✔✔Filtering chemicals and vapors
✔✔Who is responsible for blocking valves that isolate a reboiler before work is begun? -
✔✔Operations
✔✔The channel head cover on an exchanger is used on the - ✔✔Tube side
✔✔What type of steel beams are attached to the furnace wall with clips to contain a
boilers horizontal expansion? - ✔✔Buckstays
✔✔Who determines the size and type of spring can be used? - ✔✔Engineer
✔✔How many bolts must be removed so that a 3-inch 150# flange can be hot bolted? -
✔✔0
✔✔How often must entry permits be updated during normal working hours. - ✔✔At the
end of each shift change
✔✔All of the following would be reasons for rejecting a synthetic sling for rigging
except? - ✔✔An identification tag on the wrong side of the sling
✔✔Tube expanding is a method of - ✔✔Connecting
, ✔✔Why should a full port valve be used for a corrosion probe? - ✔✔So the probe will
not corrode the valve
✔✔What is "Back Gouging"? - ✔✔Removing metal from the other side of a welded joint
✔✔What type of purge must be maintained when a catalyst is removed form a reactor?
- ✔✔Nitrogen
✔✔Where should the shell side gasket on the new tube bundle be installed? - ✔✔Over
the floating head end of the tube bundle, before the bundle is put back in the exchanger
✔✔Chain hoist are primarily designed for what type of lifting? - ✔✔Vertical lifting
✔✔What type of valve is used on a hydro test tree to maintain test pressure after the
hydro has reached its required pressure? - ✔✔Check
✔✔If the sling angle decreases, sling stress? - ✔✔Increses
✔✔What substance is resistant to oil and solvent but has poor resistance to chemicals?
- ✔✔Neoprene
✔✔A reboiler in a tower is being hydrotested, the water should be at what level? -
✔✔Above the reboiler
✔✔What type of drawing shows the precise dimensions of a section part of the larger
plan - ✔✔Scale
✔✔A worker is installing a blind in a flange for blanking off the gas line to the burners.
The appropriate gasket cannot be found. What should the worker do? - ✔✔Do not
continue installing the blind until the proper gasket can be found
✔✔What is the most commonly used light lifting device? - ✔✔Chain hoist
✔✔What should the boiler maker"crack" the cylinder valve before connecting the
regulator to the oxyacetylene? - ✔✔To clean the cylinder valve of foreign matter
✔✔What is one way to permanently support a pipe in a pipe rack? - ✔✔With shoes
✔✔Which type pf drawing would normally be used to fabricate a spooled piece of pipe?
- ✔✔Isomatric
QUESTIONS AND ANSWERS SET A+
✔✔The best source for information about welding on a tube is the - ✔✔QA/QC
✔✔Equal width grating panels are being unloaded on the job site. One piece measures
4 1/2 FT in width. There are 7 panels, what is the total width when all the panels are laid
side-by-side? - ✔✔31 1/2 FT
✔✔What is the demister pad used for? - ✔✔Filtering chemicals and vapors
✔✔Who is responsible for blocking valves that isolate a reboiler before work is begun? -
✔✔Operations
✔✔The channel head cover on an exchanger is used on the - ✔✔Tube side
✔✔What type of steel beams are attached to the furnace wall with clips to contain a
boilers horizontal expansion? - ✔✔Buckstays
✔✔Who determines the size and type of spring can be used? - ✔✔Engineer
✔✔How many bolts must be removed so that a 3-inch 150# flange can be hot bolted? -
✔✔0
✔✔How often must entry permits be updated during normal working hours. - ✔✔At the
end of each shift change
✔✔All of the following would be reasons for rejecting a synthetic sling for rigging
except? - ✔✔An identification tag on the wrong side of the sling
✔✔Tube expanding is a method of - ✔✔Connecting
, ✔✔Why should a full port valve be used for a corrosion probe? - ✔✔So the probe will
not corrode the valve
✔✔What is "Back Gouging"? - ✔✔Removing metal from the other side of a welded joint
✔✔What type of purge must be maintained when a catalyst is removed form a reactor?
- ✔✔Nitrogen
✔✔Where should the shell side gasket on the new tube bundle be installed? - ✔✔Over
the floating head end of the tube bundle, before the bundle is put back in the exchanger
✔✔Chain hoist are primarily designed for what type of lifting? - ✔✔Vertical lifting
✔✔What type of valve is used on a hydro test tree to maintain test pressure after the
hydro has reached its required pressure? - ✔✔Check
✔✔If the sling angle decreases, sling stress? - ✔✔Increses
✔✔What substance is resistant to oil and solvent but has poor resistance to chemicals?
- ✔✔Neoprene
✔✔A reboiler in a tower is being hydrotested, the water should be at what level? -
✔✔Above the reboiler
✔✔What type of drawing shows the precise dimensions of a section part of the larger
plan - ✔✔Scale
✔✔A worker is installing a blind in a flange for blanking off the gas line to the burners.
The appropriate gasket cannot be found. What should the worker do? - ✔✔Do not
continue installing the blind until the proper gasket can be found
✔✔What is the most commonly used light lifting device? - ✔✔Chain hoist
✔✔What should the boiler maker"crack" the cylinder valve before connecting the
regulator to the oxyacetylene? - ✔✔To clean the cylinder valve of foreign matter
✔✔What is one way to permanently support a pipe in a pipe rack? - ✔✔With shoes
✔✔Which type pf drawing would normally be used to fabricate a spooled piece of pipe?
- ✔✔Isomatric
