NCCER BOILERMAKER PRACTICE EXAM
Questions with 100% Correct Answers Latest
Versions 2025 GRADED A+
110. ring gaskets may be affected by all of the following except ii. torque on
the bolts jj. number of bolts
kk. system temperature: jj. Number of bolts
1. 11. CHAIN slings should be visually inspected ll.
annually mm. quarterly nn. before each use oo.
monthly: ll. Annually
2. 12. which way should the teeth face on a hack saw
blade pp. away from stem
qq. toward the handle
rr. away from the handle
ss. towards the wingnut: rr. Away from the handle
3. 13. to prevent injury due to crushing between crane sand other objects
what must be used tt. synthetic slings uu. barricades
vv. whip line: uu. Barricades
4. 14. which is true when comparing head pressure if a 1" pipe and a 10"
pipe when both are 20' tall
, ww. the 1" pressure is more xx. the
10" PRESSURE IS 5x MORE yy.
the pressure is the same
zz. the 10" pressure is 10x more/: yy. The pressure is the same
5. 15. when making a threaded connection the fitting stops on the 2nd thread
the next step is aaa. stop the connection is done
bbb. stop something is wrong
ccc. continue tightening: bbb. Stop something is wrong
6. 16. when using a sealing ring on a heat exchanger what material is used
to seal off in between the floating tube sheet and test ring
ddd. permatex
eee. Teflon
caulk fff.
Packing
ggg. ant seize: ddd. Permatex
7. 17. for duct sections bolted together there is usually some kind of seal or
hhh. wedge
iii. pin jjj.
gasket
kkk. packing: jjj. Gasket
8. 18. the end of a tube in an exchanger has been smashed, this is caused
by all of the following except
lll. warping of the partition plate
mmm. the channel head not being in the correct orientation nnn.
the partition plate being too short
ooo. The bundle not being level: nnn. The partition plate being too short
9. 19. which of the following should be removed when pressure testing the
vessel ppp. relief valve qqq. gate valve rrr. plugs
sss. internals: ppp. Relief valve
Questions with 100% Correct Answers Latest
Versions 2025 GRADED A+
110. ring gaskets may be affected by all of the following except ii. torque on
the bolts jj. number of bolts
kk. system temperature: jj. Number of bolts
1. 11. CHAIN slings should be visually inspected ll.
annually mm. quarterly nn. before each use oo.
monthly: ll. Annually
2. 12. which way should the teeth face on a hack saw
blade pp. away from stem
qq. toward the handle
rr. away from the handle
ss. towards the wingnut: rr. Away from the handle
3. 13. to prevent injury due to crushing between crane sand other objects
what must be used tt. synthetic slings uu. barricades
vv. whip line: uu. Barricades
4. 14. which is true when comparing head pressure if a 1" pipe and a 10"
pipe when both are 20' tall
, ww. the 1" pressure is more xx. the
10" PRESSURE IS 5x MORE yy.
the pressure is the same
zz. the 10" pressure is 10x more/: yy. The pressure is the same
5. 15. when making a threaded connection the fitting stops on the 2nd thread
the next step is aaa. stop the connection is done
bbb. stop something is wrong
ccc. continue tightening: bbb. Stop something is wrong
6. 16. when using a sealing ring on a heat exchanger what material is used
to seal off in between the floating tube sheet and test ring
ddd. permatex
eee. Teflon
caulk fff.
Packing
ggg. ant seize: ddd. Permatex
7. 17. for duct sections bolted together there is usually some kind of seal or
hhh. wedge
iii. pin jjj.
gasket
kkk. packing: jjj. Gasket
8. 18. the end of a tube in an exchanger has been smashed, this is caused
by all of the following except
lll. warping of the partition plate
mmm. the channel head not being in the correct orientation nnn.
the partition plate being too short
ooo. The bundle not being level: nnn. The partition plate being too short
9. 19. which of the following should be removed when pressure testing the
vessel ppp. relief valve qqq. gate valve rrr. plugs
sss. internals: ppp. Relief valve
