NCCER BOILERMAKER MAINTENANCE EXAM NEWEST ACTUAL EXAM COMPLETE 150 QUESTIONS AND
CORRECT DETAILED ANSWERS
Which organization requires a person to be trained to operate personal lifting equipment -
(ANSWER)OSHA
Where would the usage of a RTJ Gasket be found - (ANSWER)high pressure system
All of the following are examples of internal manway hardware except - (ANSWER)Slide fastener
The fitting that makes it easy to dissemble threaded pipe is - (ANSWER)Union
What type of wrench measures how much a fastener is being tightened - (ANSWER)Torque
What is the purpose of a gasket? - (ANSWER)to create a seal between 2 stationary parts
What is the first consideration when making a gasket - (ANSWER)material compatibility
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
ring gaskets may be affected by all of the following except - (ANSWER)Number of bolts
Which way should the teeth face on a hacksaw blade - (ANSWER)Away from handle
Pressure of a 1" and 10" pipe when both are 20" tall - (ANSWER)The pressure is both the same
When making a threaded connection and it stops on 2nd thread.... - (ANSWER)Stop, something is wrong
,When using a sealing ring on heat exchanger, what material is used to seal off in between the floating
tube sheet and test ring? - (ANSWER)Permatex
For duct bolted together there is usually some kind of - (ANSWER)gasket
If the end of a tube sheet of an exchanger has been smashed this is caused by all of the following except
- (ANSWER)The partition plate being to short
Which of the following should be removed when pressure testing the vessel - (ANSWER)relief valve
What components are attached to the baffle on an exchanger tube bundle - (ANSWER)Tie rods
All of the following are safety hazards associated with vessel confined space except - (ANSWER)improper
inspection
Valves used to relieve pressure in a pipeline - (ANSWER)safety valve
What tool can be used to generate force making tightening or loosening easier - (ANSWER)impact
Washers are used to prevent fasteners from marrying? - (ANSWER)surface
Title blocks are found where - (ANSWER)Bottom right corner
The following threaded fitting requires a thread lubricant except - (ANSWER)rubber
Taps are used to cut what type of threads? - (ANSWER)internal threads
chain hoist are primarily used for what type of lifting - (ANSWER)vertical lifting
Oxyfuel torch what valve must be turned off first - (ANSWER)Acetylene
,What does SWL stand for? - (ANSWER)Safe Working Load
On a variable can (spring can) support, when are the load straps removed - (ANSWER)Just prior to
energizing the system
When rigging a valve the spring should be placed around the - (ANSWER)body
Minimum required oxygen and fuel gas storage separation when not in use and stored in open areas -
(ANSWER)20'
When tightening up a manway or tower that has 1 1/4" x 8" stud bolts, what size wrench should you use
- (ANSWER)2"
What should a worker do before removing flange bolts on the exchanger channel head - (ANSWER)verify
blinds are in, bleeders are open, and loto is complete
What does NPT stand for? - (ANSWER)National Pipe Thread
Flange protector should be removed from the valve when - (ANSWER)ready for installation
Which sling configuration has the greatest capacity - (ANSWER)basket
Tube sheet - (ANSWER)To pull a bundle from the shell the eye bolts should be installed on the
What is the standard pipe thread used in the USA - (ANSWER)NPT
What type of metal would an oxyfuel torch be used to cut - (ANSWER)carbon steel
When doing hydrostatic where should the gauge be installed in the system - (ANSWER)highest point
, All of the following would be reasons for rejecting a sling except - (ANSWER)ID tag on the wrong side
Which of the special markings on the head of a bolt can be used to determine the quality of the fastener
- (ANSWER)grade
What type of tray had a flat perforated with a riser of chimney fitted over each - (ANSWER)bubble
What type of bolt can be used as a lifting device - (ANSWER)eye bolt
To help control a load install a - (ANSWER)Tag line
What is the first step when cutting a gasket - (ANSWER)Verify proper material
According to osha the fall protection tie off point must have a minimum rating of - (ANSWER)5000 lbs
All of the following are standard methods for thread identification except - (ANSWER)Packing series
symbol
When plugging a straight tube exchanger in the shell all of the following heads need to be removed
except - (ANSWER)Tub head
Under which circumstances are the shell and tube side pressurized at the same time - (ANSWER)When
performing a differential hydro test
Where can an exchangers operating pressure be found - (ANSWER)On the name plate
When blinding a tower it is common practice to install blinds - (ANSWER)As close as possible to the
tower
CORRECT DETAILED ANSWERS
Which organization requires a person to be trained to operate personal lifting equipment -
(ANSWER)OSHA
Where would the usage of a RTJ Gasket be found - (ANSWER)high pressure system
All of the following are examples of internal manway hardware except - (ANSWER)Slide fastener
The fitting that makes it easy to dissemble threaded pipe is - (ANSWER)Union
What type of wrench measures how much a fastener is being tightened - (ANSWER)Torque
What is the purpose of a gasket? - (ANSWER)to create a seal between 2 stationary parts
What is the first consideration when making a gasket - (ANSWER)material compatibility
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
ring gaskets may be affected by all of the following except - (ANSWER)Number of bolts
Which way should the teeth face on a hacksaw blade - (ANSWER)Away from handle
Pressure of a 1" and 10" pipe when both are 20" tall - (ANSWER)The pressure is both the same
When making a threaded connection and it stops on 2nd thread.... - (ANSWER)Stop, something is wrong
,When using a sealing ring on heat exchanger, what material is used to seal off in between the floating
tube sheet and test ring? - (ANSWER)Permatex
For duct bolted together there is usually some kind of - (ANSWER)gasket
If the end of a tube sheet of an exchanger has been smashed this is caused by all of the following except
- (ANSWER)The partition plate being to short
Which of the following should be removed when pressure testing the vessel - (ANSWER)relief valve
What components are attached to the baffle on an exchanger tube bundle - (ANSWER)Tie rods
All of the following are safety hazards associated with vessel confined space except - (ANSWER)improper
inspection
Valves used to relieve pressure in a pipeline - (ANSWER)safety valve
What tool can be used to generate force making tightening or loosening easier - (ANSWER)impact
Washers are used to prevent fasteners from marrying? - (ANSWER)surface
Title blocks are found where - (ANSWER)Bottom right corner
The following threaded fitting requires a thread lubricant except - (ANSWER)rubber
Taps are used to cut what type of threads? - (ANSWER)internal threads
chain hoist are primarily used for what type of lifting - (ANSWER)vertical lifting
Oxyfuel torch what valve must be turned off first - (ANSWER)Acetylene
,What does SWL stand for? - (ANSWER)Safe Working Load
On a variable can (spring can) support, when are the load straps removed - (ANSWER)Just prior to
energizing the system
When rigging a valve the spring should be placed around the - (ANSWER)body
Minimum required oxygen and fuel gas storage separation when not in use and stored in open areas -
(ANSWER)20'
When tightening up a manway or tower that has 1 1/4" x 8" stud bolts, what size wrench should you use
- (ANSWER)2"
What should a worker do before removing flange bolts on the exchanger channel head - (ANSWER)verify
blinds are in, bleeders are open, and loto is complete
What does NPT stand for? - (ANSWER)National Pipe Thread
Flange protector should be removed from the valve when - (ANSWER)ready for installation
Which sling configuration has the greatest capacity - (ANSWER)basket
Tube sheet - (ANSWER)To pull a bundle from the shell the eye bolts should be installed on the
What is the standard pipe thread used in the USA - (ANSWER)NPT
What type of metal would an oxyfuel torch be used to cut - (ANSWER)carbon steel
When doing hydrostatic where should the gauge be installed in the system - (ANSWER)highest point
, All of the following would be reasons for rejecting a sling except - (ANSWER)ID tag on the wrong side
Which of the special markings on the head of a bolt can be used to determine the quality of the fastener
- (ANSWER)grade
What type of tray had a flat perforated with a riser of chimney fitted over each - (ANSWER)bubble
What type of bolt can be used as a lifting device - (ANSWER)eye bolt
To help control a load install a - (ANSWER)Tag line
What is the first step when cutting a gasket - (ANSWER)Verify proper material
According to osha the fall protection tie off point must have a minimum rating of - (ANSWER)5000 lbs
All of the following are standard methods for thread identification except - (ANSWER)Packing series
symbol
When plugging a straight tube exchanger in the shell all of the following heads need to be removed
except - (ANSWER)Tub head
Under which circumstances are the shell and tube side pressurized at the same time - (ANSWER)When
performing a differential hydro test
Where can an exchangers operating pressure be found - (ANSWER)On the name plate
When blinding a tower it is common practice to install blinds - (ANSWER)As close as possible to the
tower
