Fire Dampers

Question 1

Static, dampers are designed for opening with

Answer 1

No air flow

Question 2

Dynamic dampers are designed for what opening

Answer 2

They are designed for openings with air movement

Question 3

Static dampers are designed to

Answer 3

Close with smoky condition and our interlocked in a wiring system

Question 4

 Types of dampers used

Answer 4

Curtain
Single blades
Multi blades

Question 5

What’s the most common damper used?

Answer 5

Curtainwall

Question 6

Curtain wall dampers can be designed in what type

Answer 6

A, B and C

Question 7

A dampers are used in what application

Answer 7

Low pressure

Question 8

Describe the B damper

Answer 8

Is used 12 inches or less or when air velocity’s are fast

Question 9

Define “B dampers

Answer 9

Medium to high velocity

Question 10

Who rates fire dampers

Answer 10

ULC 555

Question 11

What connections are used between the sleeve and a duct

Answer 11

Break away

Question 12

Fusible links are rated from

Answer 12

165 Fahrenheit to 212 Fahrenheit most common is 165 Fahrenheit

Question 13

Ceiling, radiant, dampers are designed to

Answer 13

Stop smoke and fire and designed for horizontal use only

Question 14

How are dampers installed?

Answer 14

Into a sleeve, but never mounted to the structure wall

Question 15

Sleeve must be made of

Answer 15

The same metal thickness

Question 16

What’s the distance of fasteners for fire damper?

Answer 16

2 inches from the ends within 6 inches of each other

Question 17

What are the parameters for expansion?

Answer 17

Eighth of an inch for every 12 inches no more than 2 inches total

Question 18

How are smoke/fire dampers installed?

Answer 18

Installed the same way as a fire damper

Question 19

What happens to the fans with static dampers?

Answer 19

They turn off

Question 20

What happens to the fans with dynamic dampers?

Answer 20

Fans will still running