NCCER BOILERMAKER COMPREHENSIVE QUESTIONS
AND ANSWERS SET A+
✔✔A boilermaker is installing trays in a tower. Where should the wired plates be
installed? - ✔✔Between the trays
✔✔Where is the convection section of a heater located? - ✔✔Above the radiant tubes
✔✔A leak in a fin fan is being repaired while hydrotesting ta being conducted on a
piping system. What should be done during the repair? - ✔✔Pressure should be
relieved before any tightening is started
✔✔A channel head cover on an exchanger is used on the? - ✔✔Tube side
✔✔Where is the demister pad usually located? - ✔✔At the sump
✔✔What can be used in the place of a shackle pin - ✔✔Nothing
✔✔What are the three types of basic hitches - ✔✔Vertical, Choker, Basket
✔✔What are lifting lugs? - ✔✔Rigging materials used to clamp onto surfaces such as
shell plates or sheet metal
✔✔What is the primary purpose of P&ID? - ✔✔Provides scale drawings of piping and
instrumentation control systems
✔✔Eye bolts, anchor bolts, and self taping bolts are all types of? - ✔✔Fasteners
✔✔How much is 3 inches in hundredths of a foot - ✔✔0.35
, ✔✔How is a plate dog used? - ✔✔It clamps onto a flat shell-plate, for lifting the plate
into position
✔✔Why are there ball checks on sight glass valves? - ✔✔To stop the flow if there are
leaks or if the sight glass breaks
✔✔What type of gasket is usually used when a steam service drum is blinded? -
✔✔Garloc
✔✔Pack beds are found in all of the following locations except in. - ✔✔Furnaces
✔✔The length of a rectangle is 8 Feet 6 Inches and the width is 4 Feet 7 Inches. What
is the perimeter. - ✔✔26 Ft 2 In
✔✔What is the proper way to attach two slings together? - ✔✔Use a shackle
✔✔What is a "Rosebud" normally used for? - ✔✔Heating metal
✔✔Which of the following characteristics of a gasket must be checked before the
gasket is installed in a flange? - ✔✔Check the size and rating stamped on the flanges
✔✔What type of gasket is normally used on a flange valve in a High-Pressure/ High-
Temperature line? - ✔✔Flexitallic Spiral Wound
✔✔A boilermaker who is hydrostatically testing an exchanger should have which of the
following information? - ✔✔The correct test pressure.
✔✔When an exchanger is blinded, spacers are used - ✔✔To space open the exhanger
side for steaming or nitrogen purge
✔✔When an exchanger tube is plugged, why is tube cut before the second plug is
installed - ✔✔To prevent pressure build up
✔✔When performing a welding repair, you must have a copy of what on hand? -
✔✔The quality assurance manual
✔✔Rigging is to be done with a wire sling over a steel beam, when is a softener
required? - ✔✔At all times
✔✔Where can the pass partition of an exchanger be found - ✔✔On the channel head
✔✔A reinforcement pad is used on the shell of a vessel to - ✔✔Strengthen nozzles and
man-ways
AND ANSWERS SET A+
✔✔A boilermaker is installing trays in a tower. Where should the wired plates be
installed? - ✔✔Between the trays
✔✔Where is the convection section of a heater located? - ✔✔Above the radiant tubes
✔✔A leak in a fin fan is being repaired while hydrotesting ta being conducted on a
piping system. What should be done during the repair? - ✔✔Pressure should be
relieved before any tightening is started
✔✔A channel head cover on an exchanger is used on the? - ✔✔Tube side
✔✔Where is the demister pad usually located? - ✔✔At the sump
✔✔What can be used in the place of a shackle pin - ✔✔Nothing
✔✔What are the three types of basic hitches - ✔✔Vertical, Choker, Basket
✔✔What are lifting lugs? - ✔✔Rigging materials used to clamp onto surfaces such as
shell plates or sheet metal
✔✔What is the primary purpose of P&ID? - ✔✔Provides scale drawings of piping and
instrumentation control systems
✔✔Eye bolts, anchor bolts, and self taping bolts are all types of? - ✔✔Fasteners
✔✔How much is 3 inches in hundredths of a foot - ✔✔0.35
, ✔✔How is a plate dog used? - ✔✔It clamps onto a flat shell-plate, for lifting the plate
into position
✔✔Why are there ball checks on sight glass valves? - ✔✔To stop the flow if there are
leaks or if the sight glass breaks
✔✔What type of gasket is usually used when a steam service drum is blinded? -
✔✔Garloc
✔✔Pack beds are found in all of the following locations except in. - ✔✔Furnaces
✔✔The length of a rectangle is 8 Feet 6 Inches and the width is 4 Feet 7 Inches. What
is the perimeter. - ✔✔26 Ft 2 In
✔✔What is the proper way to attach two slings together? - ✔✔Use a shackle
✔✔What is a "Rosebud" normally used for? - ✔✔Heating metal
✔✔Which of the following characteristics of a gasket must be checked before the
gasket is installed in a flange? - ✔✔Check the size and rating stamped on the flanges
✔✔What type of gasket is normally used on a flange valve in a High-Pressure/ High-
Temperature line? - ✔✔Flexitallic Spiral Wound
✔✔A boilermaker who is hydrostatically testing an exchanger should have which of the
following information? - ✔✔The correct test pressure.
✔✔When an exchanger is blinded, spacers are used - ✔✔To space open the exhanger
side for steaming or nitrogen purge
✔✔When an exchanger tube is plugged, why is tube cut before the second plug is
installed - ✔✔To prevent pressure build up
✔✔When performing a welding repair, you must have a copy of what on hand? -
✔✔The quality assurance manual
✔✔Rigging is to be done with a wire sling over a steel beam, when is a softener
required? - ✔✔At all times
✔✔Where can the pass partition of an exchanger be found - ✔✔On the channel head
✔✔A reinforcement pad is used on the shell of a vessel to - ✔✔Strengthen nozzles and
man-ways
