Millwright Level1 Module 3 Fasteners
and Anchors Exam Questions and
Answers 100% score Latest update
2026
unified national coarse(UNC) thread -
correct answer ✅used for bolts,screws,nuts,and other general
purposes. Fasteners with UNC threads are commonly used for rapid
assembly or disassembly of parts and where corrosion or slight
damage may occur
unified national fine (UNF) thread -
correct answer ✅used for bolts,screws,nuts,and other applications
where a finer thread for a tighter fit is desired
Unified National Extra Fine (UNEF) thread -
correct answer ✅Used on thin-walled tubes,nuts,ferrules and
couplings
class 3A and 3B -
correct answer ✅provide a minimal clearance
class 1A and 1B -
correct answer ✅provide maximum clearance
, Millwright Level1 Module 3 Fasteners
and Anchors Exam Questions and
Answers 100% score Latest update
2026
nominal size -
correct answer ✅diameter of the fastener
square thread -
correct answer ✅strongest most useful of all
higher quality of steel fasteners -
correct answer ✅have the most marks on the head
cap screw -
correct answer ✅high quality assembles finished appearance
set screws -
correct answer ✅heat-treated steel is normally used to make
jam nut -
correct answer ✅used to lock a standard nut in place,a thin nut
installed on top of standard nut
and Anchors Exam Questions and
Answers 100% score Latest update
2026
unified national coarse(UNC) thread -
correct answer ✅used for bolts,screws,nuts,and other general
purposes. Fasteners with UNC threads are commonly used for rapid
assembly or disassembly of parts and where corrosion or slight
damage may occur
unified national fine (UNF) thread -
correct answer ✅used for bolts,screws,nuts,and other applications
where a finer thread for a tighter fit is desired
Unified National Extra Fine (UNEF) thread -
correct answer ✅Used on thin-walled tubes,nuts,ferrules and
couplings
class 3A and 3B -
correct answer ✅provide a minimal clearance
class 1A and 1B -
correct answer ✅provide maximum clearance
, Millwright Level1 Module 3 Fasteners
and Anchors Exam Questions and
Answers 100% score Latest update
2026
nominal size -
correct answer ✅diameter of the fastener
square thread -
correct answer ✅strongest most useful of all
higher quality of steel fasteners -
correct answer ✅have the most marks on the head
cap screw -
correct answer ✅high quality assembles finished appearance
set screws -
correct answer ✅heat-treated steel is normally used to make
jam nut -
correct answer ✅used to lock a standard nut in place,a thin nut
installed on top of standard nut
