Chapter 10 & 11 utilities/SR

Question 1

Integral part of SR?

Answer 1

Proper equipment

Question 2

Search and rescue comprised of two phases?

Answer 2

Primary phase

Secondary

Question 3

Three factors in determining path of rescue?

Answer 3

Information gathered from occupants

Search an unknown area for victims

attack lines

Question 4

Generating plants?

Answer 4

13,800

Question 5

Step up transformers?

Answer 5

230,000 Volts

Question 6

Receiving station?

Answer 6

34,500

Question 7

Primary distribution lines?

Answer 7

4,800 volts

Question 8

Secondary distribution lines

Answer 8

480
240
120volts

Question 9

High voltage

Answer 9

750-34,500 volts

Question 10

Transmission insulators can be approx

Answer 10

4-14ft

Question 11

Sub transmission insulators?

Answer 11

12-22”

Question 12

Primary insulators?

Answer 12

4-6”

Question 13

Secondary voltage insulators?

Answer 13

2-3”

Question 14

3 principal ways to eliminate electricity from structure?

Answer 14

Depend in local utility company

Shut off service

Cut drip loops

Question 15

A _____ bolt is used to secure the Cabinate doors, requiring a special wrench to open

Answer 15

PENTA

Question 16

What is step potential?

Answer 16

Personnel who step near or between wires can be energized

Question 17

What shape man hole cover is transformer vault?

Answer 17

Square

Question 18

Telephone line scary ___ volts?

Answer 18

45-100 volts

Question 19

AC

Answer 19

Alternating current

Flows on one direction then the other.

Question 20

Amperage?

Answer 20

Quantity of electrons moving through a conductor in one second

Question 21

Direct current

Answer 21

Flows in one direction

Question 22

Electron?

Answer 22

Negatively charged particle of an atom

Question 23

Resistance?

Answer 23

Measured on ohms

Compared to friction loss

Question 24

Voltage

Answer 24

Moving electrons through conductor

Similar to pressure of water

Question 25

Natural gas is comprised of?

Answer 25

Hydrocarbon and ethane

Question 26

NG consists of ___% methane

Answer 26

97%

Question 27

Common odorant in NG

Answer 27

Thiophane

1 pint per million cubic feet

Question 28

Natural gas is ___ than air?

Answer 28

Lighter

Question 29

Flammable range of NG

Answer 29

4%-14%

Question 30

Ignition temperature of NG

Answer 30

100 f

Question 31

Ten admission lines maintain pressures of up to?

Answer 31

1,000psi

Question 32

Transmission lines diameters?

Answer 32

12-36”

Question 33

Flow of medium pressure usually does not exceed ___psi

Answer 33

60 psi

Question 34

Polyethylene are what colors

Answer 34

Pink or orange

Question 35

Older pipes are made of?

Answer 35

Steel or copper

Question 36

Pressure inside a customer line?

Answer 36

1/3psi

Question 37

MSA’s?

Answer 37

Meter set assembly

Question 38

Flat washer on stopcock valve?

Answer 38

Plastic pipe inserted in an older metal pipe

Question 39

A ring on a stopcock valve indicates?

Answer 39

Branch service

Question 40

A band (green) on riser near stop cock indicates?

Answer 40

Service line is plastic

Question 41

Some earth quake probe areas have?

Answer 41

Emergency vibration sensitive shutoff device known as earthquake valve

Question 42

Industrial shutoff valves are known as _____valves

Answer 42

Nordstrum

Question 43

Natural color code

Red
Orange
Green blue
Yellow

Answer 43

Red-power
Orange-telecommunication 
Green-sewer
Blue-water
Yellow-gas

Question 44

Trunk lines

Answer 44

Carry water from a primary source to mains within distribution

Question 45

Trunk lines diameter?

Answer 45

36”-10’

Question 46

Mains diameter?

Answer 46

2”-72”

Question 47

Service line diameter?

Answer 47

1/2”-12”

Question 48

Two types of shutoff valves?

Answer 48

Nonindicating

• ball and cone
• gate valve

Indicating

• os&y
• post indicator

Question 49

Weakest fire ground operations?

Answer 49

Search and Reacue