Quiz Notes

Question 0

How many outlets do residential hydrants have

Answer 0

Residential: (1) 2 1/2” (1) 4”

Commercial: (1) 2 1/2” (2) 4”

Question 1

What type of water system supplies the city of San Diego

Answer 1

Combination system gravity fed grid loop system

Question 2

Fire hydrants are spaced approximately how many feet apart

Answer 2

600 feet

Question 3

The hydrant is positioned with what outlet facing the street

Answer 3

4”

Question 4

Requirements for clearance around a hydrant

Answer 4

Lowest outlet minimum 18 inches above ground. No obstructions can be within 3 feet. No parking within 15 feet.

Question 5

What type system only reports on premise

Answer 5

Local alarm

Question 6

Central station, proprietary, and remote station alarm system are examples of what alarm system

Answer 6

Monitored alarm system

Question 7

Types of manual alarm devices

Answer 7

Single and dual action

Question 8

Automatic alarm systems

Answer 8

Heat, smoke and gas detectors

Question 9

Ionization smoke detector

Answer 9

Positive and negative ions are measured on an electrically charged electrode. Smoke enters the chamber, the flow of ions to the electrode changes and the alarm is activated

Question 10

What type of alarm uses a beam of light with a sensor to detect smoke particles

Answer 10

Photoelectric smoke detector

Question 11

Class one standpipe

Answer 11

Required in buildings more than how many stories above or below ground. Three stories

Question 12

Class one standpipes having minimum of how many FDC’s at street level

Answer 12

2

Question 13

How much PSI is required at the most remote outlet

Answer 13

65 psi pre 1993

100 psi post 1993

Question 14

What system that utalizes a provided 1 1/2” hose connection , 100 ft of hose and a 50 gpm nozzle for occupant use

Answer 14

Class 2

Question 15

Class III standpipe systems are required to deliver how many PSI pre/post 1993 per NFPA 14

Answer 15

100 psi pre/ 175 psi post

Question 16

Automatic dry systems

Answer 16

Filled with pressurized air. Connected to a water supply to flow water once hose valve is open

Question 17

Semi automatic dry systems

Answer 17

Airfield may or may not be pressurized. Use of deluge valve

Question 18

FDC checks

Answer 18

Gasket, swivel, thread, obstruction, Clapper

Question 19

Four categories of water based fire protection systems

Answer 19

Wet, dry, pre-action, deluge

Question 20

Easiest and most common system

Answer 20

Wet pipe system

Question 21

How many GPM’s are discharged in a industrial manufacturing sprinkler

Answer 21

20-40 gpm

Question 22

Indicating valve

Answer 22

Os&y, post indicator valve piv, wall post indicator valve, indicating butterfly valve

Question 23

Most common type of non-indicating valve

Answer 23

Globe valve

Question 24

Two types of operating elements for fire sprinklers

Answer 24

Fusible link and frangible bulb

Question 25

3 million

Answer 25

Gallons per day

Question 26

Dry and wet barrels

Answer 26

Sd uses wet barrels

Question 27

Transmission and distribution

Answer 27

16-66" transmission lines looped to form grid, from supply to distribution. 8-16" distribution lines, smaller grid system

Question 28

White painted or unpainted hydrants

Answer 28

Low pressure/high volume utilized to maintain water pressure in the mains during repairs or large scale emergencies

Question 29

Monitored alarm systems can be categorized as the following

Answer 29

Central station, proprietary, remote station

Question 30

Sprinklers most water-based fire protection systems fall within one of four categories

Answer 30

Wet pipe Dry pipe Pre action Deluge

Question 31

Atypical sprinkler use for industrial manufacturing occupancies discharges about

Answer 31

20-40 gpm

Question 32

Sprinkler activation will do less damage than the fire department ostream which provides approximately

Answer 32

250 gpm

Question 33

A sprinkler system is described as a combination of underground and overhead piping that is connected to an automatic water supply and is installed throughout the building

Answer 33

Yup

Question 34

Pre-action sprinkler systems are specialized for use in locations where accidental activation is undesired such as

Answer 34

In museums with the rare artworks, manuscripts, or books, and data centers, for protection of computer equipment from accidental water discharge

Question 35

There are two main subtypes of pre-action systems

Answer 35

Single interlock, and a double interlock

Question 36

Single interlock system

Answer 36

The system is he sensually converted from a Dry system into a wet system

Question 37

Double interlock system

Answer 37

The operation of double interlock systems is similar to deluge systems except that automatic sprinklers are used

Question 38

Deluge systems

Answer 38

Systems in which all sprinklers connected to the water piping system are open, in that the heat sensing operating element is removed. Used for special hazards where rapidfire is a concern

Question 39

Sprinkler temperature ratings

Answer 39

The exact operating temperature is regulated by adjusting the amount of liquid and the size of the bubble when the bulb is sealed

Question 40

Sprinkler system control valves

Answer 40

Control valves are used to shut off the water supply to a fire sprinkler system control valves should remain in the open position at all times with the exception of systems modification or maintenance

Question 41

Fire protection pump system

Answer 41

Most fire pumps are found in the lower floors of the building and are either diesel or electrically powered. Modern pumps start automatically when the pressure in the system drops to a predetermined level to supply

Question 42

Shutting down fire protection systems

Answer 42

As a general rule you should work from the activation and move backwards to the system towards the water supply source. Stop/plug the sprinkler head using sprinkler tongs, red wood plugs or door wedges

Question 43

Non-water-based fire protection systems

Answer 43

Halogenated agents Halon replacement agents and systems Co2 systems

Question 44

Chemical extinguishing systems

Answer 44

Dry chemical, wet chemical, foam

Question 45

What is a standpipe

Answer 45

Standpipe systems are fixed piping systems with associated equipment that transports water from a reliable water supply to designated areas of buildings warehouses can be deployed for firefighting

Question 46

Combined systems are simply class one or class III standpipe systems that also

Answer 46

Supply water to the sprinkler system

Question 47

Class three systems pressure regulating devices are required when

Answer 47

Outlet pressure exceeds 175 PSI

Question 48

In the event that the buildings you are supplying water to is over 20 stories in height

Answer 48

The triple jacket, high-pressure hose shall be used if available