Locksmith Test #4

Question 1

A coordinator is necessary for a set of fire doors that:

Accepted Answer

An overlapping astragal

Answer

Fusible link louvers

Answer

An open back strike

Answer

Manual flush bolts

Question 2

What danger poses the greatest threat while using gas-powered equipment indoors?

Accepted Answer

Hazardous vapors or fumes

Answer

Temperature of the motor and parts

Answer

Corrosiveness of the fuel

Answer

Carcinogens in the fuel

Question 3

Which cutter material normally lasts the longest with proper care?

Accepted Answer

Carbide

Answer

Cobalt

Answer

Carbon steel

Answer

High speed steel

Question 4

Many mortise locks employ thru-bolt trim to:

Accepted Answer

Make the installation look better

Answer

Allow use of either knob or lever trim with the same lock body

Answer

Strengthen the installation and minimize binding

Answer

Require either a flexible head or concealed shell cylinder

Question 5

How many springs and tumblers are there in a typical 5-cut key cylinder?

Accepted Answer

5

Answer

3

Answer

8

Answer

9

Question 6

Which of the following lock manufacturers is regarded as having "high security" locks?

Accepted Answer

Medeco

Answer

Kwikset

Answer

Master

Answer

American

Question 7

If two adopted references clash, the following reference shall take precedence:

Accepted Answer

With the more stringent standard

Answer

That is adopted by the local jurisdiction

Answer

Used by the AHJ

Answer

That is adopted by the OSFM

Question 8

Picking guns involves:

Accepted Answer

Bouncing the top pins above the shear line

Answer

Clicking all pins above the shear line

Answer

Bouncing the bottom pins above the shear line

Answer

Crushing the springs

Question 9

A rim cylinder's position is maintained by:

Accepted Answer

Two screws from the back of the cylinder

Answer

Set screws

Answer

The strike plate

Answer

A screw in the lock

Question 10

When picking locks, the tension wrench:

Accepted Answer

Holds the tumblers at the shear line

Answer

Relieves the spring pressure

Answer

Raises the pins to the shear line

Answer

Relieves the pressure on the tumblers