Nait 4Th Period Wet & Dry Standpipe

Front 1

What standpipe has water under pressure at all times

Back 1

Wet standpipes

Front 2

What device keeps the Siamese connection dry

Back 2

Ball drip

Front 3

What system allows water to the system through a remote control dry valve

Back 3

Dry standpipe

Front 4

Dry standpipe systems have this kind of release

Back 4

Mechanical release

Front 5

Another variation of the dry standpipe system is one charged by

Back 5

Air

Front 6

An air charged system works on

Back 6

Pressure differential

Front 7

At what pressure is a pressure reducing valve required to be installed at the outlet

Back 7

Over 100psi

Front 8

Standpipe and hose systems are designed to extinguish what class of fire

Back 8

Class A

Front 9

On a multi storey building where are fire cabinets located

Back 9

On each floor

Front 10

Wet and dry standpipe systems can either be fed by

Back 10

Upfeed

Downfeed

Split

Front 11

Wet and dry systems may or may not have

Back 11

Boosters pumps

Front 12

A dry system requires power to operate

True or False

Back 12

True

Front 13

Wet standpipe systems must be connected to what

Back 13

A permanent water supply

Front 14

The connection of a wet standpipe system is made upstream Or downstream of the water meter

Back 14

Upstream

Front 15

The connection of the system must be made by using what type/s of valve

Back 15

OS&Y or butterfly valve

Front 16

The pressure in the system is determined by the pressure in the water main. Calculating a pressure drop of ______ psi with a minimum ______psi static pressure at the top of the standpipe

Back 16

5psi/floor

60psi

Front 17

The fire department connection may be a

Back 17

Siamese inlet

Front 18

This fire department connection usually consists of two fire hose connections of _____in

Back 18

2-1/2” on a 4” or 7” female threaded inlet

Front 19

A check valve must be installed _________ of the fire department connection

Back 19

Downstream

Front 20

What size usually are ball drips

Back 20

1/2” or 3/4”

Front 21

If a private water supply is used for a standpipe system, it must have sufficient water for

Back 21

30min using one fire hose fully open

Front 22

Valves and fire department connections shall be inspected

Back 22

Annually

Front 23

Components of a standpipe system shall be visually inspected

Back 23

Quarterly

Front 24

A flow test shall be conducted every _____years at a design pressure of _____ psi

Back 24

5 Years

60psi

Front 25

At time of installation, what pressure and time is required for testing

Back 25

200psi for 2 hours

Front 26

Another method of testing is a pressure of ____psi in excess of the maximum pressure where maximum pressure is in excess of ______psi on dry standpipe systems

Back 26

50psi

150psi

Front 27

A Class 1 system is designed to be used by

Back 27

Fire department or trained personnel

Front 28

Class 1 system what size fire hose valve

Back 28

2-1/2”

Front 29

A Class 2 standpipe system has what size connection and has what attached

Back 29

1-1/2” valve and fire hose

Front 30

The maximum pressure of a Class 2 system is

Back 30

100psi

Front 31

A Class 3 system is a combination of Class 1 and Class 2 standpipe systems. The cabinets are equipped with what size valves

Back 31

2-1/2” and 1-1/2” with 1-1/2 firehose

Front 32

Some Class 3 cabinets may only have two 2-1/2” valves but use what to attach the fire hose

Back 32

1-1/2” adapter

Front 33

Standpipes that contain glycol require an

Back 33

RP

Front 34

Type B fires contain what

Back 34

Oil, grease, flammable liquid

Front 35

Type C fires are

Back 35

Electrical