Locksmith Real Exam Questions with Complete
Solutions
list the names of 8 popular lock manufacturers - ANSWER Yale, Schlage, Best, Master,
Arrow, Kwikset, Dexter, Sargent.
List 4 different types of locks based on internal construction - ANSWER Warded lock
Pin tumbler lock or pin tumbler cylinder lock
Disc tumbler lock or wafer tumbler lock
Lever tumbler lock
Side bar lock
List 8 basic key types - ANSWER Bit key
Barrel key
Flat key
Corrugated key
Cylinder key
Tubular key
Angularly bitted key
Dimple key
How high does the pin stack have to be in an IC Cylinder - ANSWER 23 (decimal
measurement 0.397")
What degrees are Medeco angular bitted keys cut at? - ANSWER Right-20º, Center-90º,
Left 20º
,Medeco Biaxial pin diameter and chisel pointed angle - ANSWER pin diameter-.135,
chisel angle-85º
Medeco Biaxial minimum and maximum stack height - ANSWER minimum-.499,
maximum- .524
4 levels of key control for Assa twin 6000 cylinder - ANSWER Beta, gamma, delta, alpha
top pins in a Assa 6000 are called - ANSWER spool drivers
this lock has a coded sidebar and key blank - ANSWER assa twin 6000 cyinder
Unique pins for Mul-t-lock high security cylinders are also called? - ANSWER a pin within
a pin
What high security key company uses a tip stop, enters the lock horizontally and is a
convenience key - ANSWER Mul-T-Lock keys
Key AR1 - ANSWER Arrow
Key DE6 - ANSWER Dexter
Key IN18 - ANSWER Ilco
Key KW1 - ANSWER Kwikset
Key SC1 - ANSWER Schlage
, Key SE1 - ANSWER Segal
Key WK2 - ANSWER Weslock
Key WR3 - ANSWER Weiser
Key Y1 - ANSWER Yale
A file used for cutting a key blank by hand - ANSWER Ward File
8 Parts inside lock case of a Warded Padlock - ANSWER Shackle pins, shackle springs,
stop plate, retainer spring, shackle retainer, several dummy plates, 1 or more ward
plates, keyway
8 parts inside lock case of a warded bit key lock - ANSWER latch bolt, hub spindle, latch
bolt spring, inside latch lock, inside latch lock spring, deadbolt, lever tumbler, wards
Name 4 of the most common items where lever tumbler locks are used - ANSWER
Luggage, mail boxes, school lockers, safe deposit boxes
How long of increments do most pin tumblers have between pin sizes? - ANSWER
0.005" or 0.003" increments
Top pin Tumblers usually range in length from - ANSWER 0.010" to 0.300"
Bottom pin tumblers usually range in length from - ANSWER 0.150" to 0.360"
Solutions
list the names of 8 popular lock manufacturers - ANSWER Yale, Schlage, Best, Master,
Arrow, Kwikset, Dexter, Sargent.
List 4 different types of locks based on internal construction - ANSWER Warded lock
Pin tumbler lock or pin tumbler cylinder lock
Disc tumbler lock or wafer tumbler lock
Lever tumbler lock
Side bar lock
List 8 basic key types - ANSWER Bit key
Barrel key
Flat key
Corrugated key
Cylinder key
Tubular key
Angularly bitted key
Dimple key
How high does the pin stack have to be in an IC Cylinder - ANSWER 23 (decimal
measurement 0.397")
What degrees are Medeco angular bitted keys cut at? - ANSWER Right-20º, Center-90º,
Left 20º
,Medeco Biaxial pin diameter and chisel pointed angle - ANSWER pin diameter-.135,
chisel angle-85º
Medeco Biaxial minimum and maximum stack height - ANSWER minimum-.499,
maximum- .524
4 levels of key control for Assa twin 6000 cylinder - ANSWER Beta, gamma, delta, alpha
top pins in a Assa 6000 are called - ANSWER spool drivers
this lock has a coded sidebar and key blank - ANSWER assa twin 6000 cyinder
Unique pins for Mul-t-lock high security cylinders are also called? - ANSWER a pin within
a pin
What high security key company uses a tip stop, enters the lock horizontally and is a
convenience key - ANSWER Mul-T-Lock keys
Key AR1 - ANSWER Arrow
Key DE6 - ANSWER Dexter
Key IN18 - ANSWER Ilco
Key KW1 - ANSWER Kwikset
Key SC1 - ANSWER Schlage
, Key SE1 - ANSWER Segal
Key WK2 - ANSWER Weslock
Key WR3 - ANSWER Weiser
Key Y1 - ANSWER Yale
A file used for cutting a key blank by hand - ANSWER Ward File
8 Parts inside lock case of a Warded Padlock - ANSWER Shackle pins, shackle springs,
stop plate, retainer spring, shackle retainer, several dummy plates, 1 or more ward
plates, keyway
8 parts inside lock case of a warded bit key lock - ANSWER latch bolt, hub spindle, latch
bolt spring, inside latch lock, inside latch lock spring, deadbolt, lever tumbler, wards
Name 4 of the most common items where lever tumbler locks are used - ANSWER
Luggage, mail boxes, school lockers, safe deposit boxes
How long of increments do most pin tumblers have between pin sizes? - ANSWER
0.005" or 0.003" increments
Top pin Tumblers usually range in length from - ANSWER 0.010" to 0.300"
Bottom pin tumblers usually range in length from - ANSWER 0.150" to 0.360"
