Locksmith Lock Mechanisms

Question 1

What is a pin tumbler lock?

Accepted Answer

A lock mechanism using spring-loaded pins of varying lengths that must be aligned at the shear line to open

Answer

A lock that uses a key card

Answer

A combination lock

Answer

A digital smart lock

Question 2

What is the shear line in a pin tumbler lock?

Accepted Answer

The gap between the plug and the shell where pins must align for the lock to open

Answer

The line where the key is cut

Answer

A scratch on the lock face

Answer

The line along which the bolt moves

Question 3

What is a master key system?

Accepted Answer

A hierarchical system where individual keys open specific locks while a master key opens all locks in the system

Answer

A key that opens any lock in the world

Answer

A key made from gold

Answer

A digital key system

Question 4

What is a deadbolt lock?

Accepted Answer

A lock mechanism with a bolt that must be actively thrown by turning a key or thumb turn, providing higher security

Answer

A lock that is broken

Answer

A lock for dead-end hallways

Answer

A padlock for outdoor use

Question 5

What is lock rekeying?

Accepted Answer

Changing the internal pin configuration so the lock works with a new key while keeping the same lock hardware

Answer

Making a new key for a lock

Answer

Replacing the entire lock

Answer

Painting the lock a new color

Question 6

What is a bump key?

Accepted Answer

A specially cut key used to manipulate pin tumbler locks by striking it while applying turning pressure

Answer

A damaged key

Answer

A key for car bumpers

Answer

A key that glows in the dark