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Dan2024 Study > Batteries-Quizlet > Flashcards

Batteries-Quizlet Flashcards

1
Q

UPS

A

Uninterrtible Power Suppply

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2
Q

Batteries contain these 2 chemicals

A

Sulphuric acid, lead

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3
Q

Batteries must follow guidleines from these 2 oragizatioins

A

EPA, OSHA

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4
Q

Batteries produce what type of gas when charging

A

Hydrogen

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5
Q

OSHA requires a wash station must be within of operating and handling charging areas

A

25 ft

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6
Q

This chemical in battery attacks the central nervous system in your body

A

lead

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7
Q

Batteries can weigh from

A

45 - 65 lbs

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8
Q

Regulatory battery reports must be completed how often

A

Monthly

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9
Q

Regulatory battery reports must be sent how often

A

Quarterly

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10
Q

When stacking batteries it must be to a max of

A

5

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11
Q

How often should batteries be inspected to ensure optimal per- formance, range in months

A

3 - 6 months

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12
Q

What are the 3 methods to test a battery

A

load test, voltage test, conductance test

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13
Q

This is the most accurate and reliable test to for batteries

A

load test

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14
Q

When conducting the voltage test batteries differences should not exceed

A

.3 VDC

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15
Q

This test involves measuring the impedance of a battery

A

Conductance test

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16
Q

Which company do you notify if you have a hazardous spill

A

3E 3eonline.com

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17
Q

PPE required when handling batteries

A

hard hat, safety glasses, resistant gloves & apron, boots

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18
Q

When stacking bateries they should be seperated by this

A

wood

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19
Q

Battery terminals should be covered by

A

plastic or rubber caps

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20
Q

Batteries should be stored in this postion

A

Upright

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21
Q

Batteries should be stored with edeges at a minimum to ensure that leaks will not spread

A

4 inches

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22
Q

Best place to carry batteries

A

From the bottom

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23
Q

Batteries less than this % of conductance values are known to be bad

A

50%

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24
Q

Battery acid in eyes flush water for atleast this long

A

15 mins

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25
Q

site to report acid spills

A

3eonline.com

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26
Q

Float charge voltage for a battery string should be within this amount of mVDC from the temperature compensated charger voltage

A

30%

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27
Q

List the 5 symptoms a technicain should look for when physically inspecting batteries

A

cracks, leaks, acid residue, discoloration, swelling (clads)

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28
Q

Number of years a battery date code should not exceed

A

6

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29
Q

Battery termainal connectors should be torqued to this many pounds, at installation

A

75 lbs

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30
Q

Battery terminals should be torqued to this many pouns during routine maitenance

A

60 lbs

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31
Q

the difference between any batteries in the string should not be greater than this, in VDC

A

0.3

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32
Q

it takes this long for the battery voltage to stabilize under loaded conditions, range in mins

A

8 to 10

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33
Q

Power supply output voltage should fall between this percentage of the nameplate value

A

plus or minus 5 %

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34
Q

ATS

A

Automatic transer switch

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35
Q

LAP

A

Lightening arrestor protector

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36
Q

XPDR

A

Transponder

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37
Q

TMPR

A

tamper

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38
Q

SPI

A

Service Power Inserter

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39
Q

Power supplies should be visted at least this many time a year

A

1

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40
Q

Battery maintenance should be conducted in this temperature range in F and C

A

32 - 100 f and 0 to 38 C

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41
Q

proper way to storage battery

A

sencondary contamination

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42
Q

use these two substances to clean any corrosion or excessive dirt from the battery itself

A

baking soda and water

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43
Q

This is the minimum space required between batteries

A

1/4 inch

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44
Q

RTS

A

Remote Temperature sensor

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45
Q

PTS

A

Precision temperature sensor

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46
Q

Ensure the battery is in this charger mode

A

Float

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47
Q

a unit of conductance equal to the reciprocal of the ohm

A

mho (opposite of ohm)

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48
Q

a unit of conductance in the meter-kilogram-second system equivalent to one ampere per volt

A

siemens

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49
Q

to test for conductance these two tools are required

A

conductance meter and thermator

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50
Q

conductanve test drop of this percentage indicates battery should be replaced

A

greater than 60%

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51
Q

Rule of thumb with siemens value with temperature

A

2 degree is adjusted by .7 %

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52
Q

The 10 min self test, at which minute do you record the individual battery voltages

A

9th minute

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53
Q

During the self test, if voltage drops below this amount you must replace battery, in VDC

A

10.8

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54
Q

An electronic instrument that is capable of measuring voltage, and sometimes also current and resistance

A

Digital Voltmeter (DMM)

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55
Q

A housing, cabinet, pedestal or other protective covering for elec- tronic or electrical components or equipment.

A

Encolsure

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56
Q

A component used to protect an electrical or electronic circuit or device from an over- current condition

A

fuse

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57
Q

A device or circuit that converts direct current electricity to alter- nating current electricity

A

inverter

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58
Q

A wire, cable, printed circuit board trace, or other conductor inter- connecting two components or circuits.

A

jumper

59
Q

A semiconductor that emits photons (light) when an electrical current flows across its p-n junction

A

Light emitting diode (LED)

60
Q

An electrical device or component connected to a power source

A

load

61
Q

One of several standardized units or components that function together in a system

A

module

62
Q

Any steady state (several seconds or longer) voltage in excess of the normal or rated operating voltage of a device or circuit.

A

Overvoltage

63
Q

An interface between a power source such as a UPS and critical loads

A

Power distribution

64
Q

A device that produces electricity for use by electrical or electronic equipment, or that converts the electricity from the utility mains to a form suitable for use by electronic equipment.

A

power supply

65
Q

The available capacity of a battery expressed as a percentage of its rated capacity.

A

state of charge

66
Q

A mechanical or electronic switch that connects one or more power sensitive loads to one of several possible power sources, ensuring that the transition between the sources is smooth.

A

transfer switch

67
Q

The force of electrical attraction between two points of different charge potential, sometimes called electromotive force (EMF).

A

volt

68
Q

is a measure of electromotive force

A

volt

69
Q

The potential difference between two points on a wire carrying 1 ampere of current when a power of 1 watt is dissipated between the points is

A

1 volt.

70
Q

A backup power source that maintains uninterrupted operation of one or more critical loads in the event of commercial power failure

A

UPS

71
Q

This chemical is directly linked to brain damage and other illness- es

A

Lead

72
Q

This chemical is highly toxic

A

Lead

73
Q

This chemical reacts violenty with water

A

Sulfuric Acid

74
Q

this may look like gray or white power

A

Acid residue

75
Q

EPA requires batteries must be stored

A

Secondary containment system

76
Q

The most accurate and reliable tst involves testing the batteries under this condition

A

Load

77
Q

before conducting a load test batteries must first be

A

disconnected from power supply and from each other

78
Q

This device is used as backup to commerical power in standby power supplies

A

Battery

79
Q

Batteries in the voltage test are considered to be bad when the float is less than this many volts

A

12 volts

80
Q

Any battery spills or lead should be contained by using this sub- stance

A

lime or bicarbonate soda

81
Q

ATS

A

Automatic Transfer Switch

82
Q

is a constant current charge during battery recharge.

A

Bulk

83
Q

EOD

A

End of Discharge

84
Q

Batteries are fully charged and ready to provide backup power.

A

Float

85
Q

is the 1st stage in the battery charge or recharge cycle

A

Bulk

86
Q

is the 3rd stage in the battery recharge process

A

Float

87
Q

NESC

A

National Electric Safety Code

88
Q

PIM

A

Protective interface module

89
Q

a charge that is manually applied after bulk and accept charges have been completed

A

Refresh

90
Q

charge is turned off batteries are charged

A

REST

91
Q

SCTE code for Outside Plant Power Preventative Maintenance

A

SCTE 205

92
Q

SPI

A

Service Power Inserter

93
Q

XPDR

A

transponder

94
Q

List the three different amps power supplies

A

15, 18, 24

95
Q

15 Amp rated power supply should not exceed this many Amps

A

12.8

96
Q

18 Amp rated power supply shall not exceed this many Amps

A

15.3

97
Q

24 Amp rated power supply shall not exceed this many Amps

A

20.4

98
Q

Power supply amperage provided for any individual distribution cable leg should not exceed this many Amps

A

12

99
Q

WiFI - access point power consumption in Watts

A

35

100
Q

The heart of a power supply is this type of transformer

A

Ferroresonant

101
Q

this provides a regulated, current limited output voltage with iso- lation and noise attenuation

A

Ferroresonant transformer

102
Q

this power supply rely upon an external power source supplied typically by the power utility

A

non-standby

103
Q

This power supply are used with an alternate source of power that can be used during a utility power fault

A

standby

104
Q

List two components of a standby power supply

A

battery and inverter

105
Q

When AC line voltage returns, the power supply will return power to utility power after a delay of , range in seconds

A

10 -20 seconds

106
Q

This protocol is used for quick, efficient, netowrk status and diagnostics

A

Simple network management protocol

107
Q

Power consumption of RFoG vHub, in watts

A

75 watts

108
Q

EPON FLM power consumption in watts

A

85 watts

109
Q

is entered when the charger is turned off and leaves the batteries without an external voltage applied.

A

Rest mode

110
Q

is a constant voltage charge

A

Accept mode

111
Q

in a three string battery, which battery do you place the sensor on

A

Center

112
Q

in a four string battery, which battery do you place the sensor on

A

3rd battery between 3rd and 4th

113
Q

This sensor attaches to the outside wall of the battery

A

Remote Temperature sensor RTS

114
Q

This sensor is required on all standby power supplies

A

Remote Temperature Sensor RTS

115
Q

in a three battery string, what color is the first battery wire

A

Brown

116
Q

in a three battery string which color is wire on the second battery

A

Orange

117
Q

in a three battery string which color is wire on the third battery

A

Red

118
Q

in a four battery string which color is wire on the first battery

A

Brown

119
Q

in a four battery string which color is wire on the second battery

A

Yellow

120
Q

in a four battery string which color is wire on the third battery

A

orange

121
Q

in a four battery string which color is wire on the fourth battery

A

Red

122
Q

This sensor is connected to the battery terminal as compared to the being placed on the side of battery

A

Precision Temperature Sensor

123
Q

These are designed to increase battery capacity in cold envirments

A

Heater mats

124
Q

is an encroachment sensor and should be used at all power supply locations

A

tamper switch

125
Q

Batteries should be stored in this enviroment

A

cool and dry location

126
Q

Before moving batteries, need to remove this

A

Metal items

127
Q

Only store batteries in this type of enviroment

A

Cool, dry and well ventilated

128
Q

Racks and trays must be sturdy and treated to be resistant to this substance

A

Electrolytes

129
Q

This test method involves testing the batteries voltage and com- paring it to that of the other batteries in the series

A

Voltage test

130
Q

Batteries that float at less than this many volts, are considered to be bad adn should be replaced

A

12 volts

131
Q

When replacing batteries, these values should be similar

A

Conductance

132
Q

This test involves measuring the impedence of the battery

A

Conductance

133
Q

This section of Comcast Engineering Policy safety section covers the employees responsibilities concerning a hazardous materials spill.

A

02.010.013.

134
Q

Batteries should be stored with an ambient temperature range of F and C

A

32 - 77 F and 0 - 25 C

135
Q

Power supply should not be more than how many feet from the active device

A

125 ft

136
Q

Minimum recommended height to mount aerial power supplies

A

10 ft

137
Q

Power supplies proper ventilation and maintenance need this minimum space in front and in rear between encolosure

A

36 inches in front and rear

138
Q

is a switched device in the power supply that can transition from the primary AC output voltage to an auxiliary or alternate AC

A

Service Power Inserter SPI

139
Q

is the power interface to the broadband network

A

Power inserter PI

140
Q

is a portable device used to provide temporary power while the existing power supply is being serviced

A

SPS Service Power Supply

141
Q

Conductance values are expressed with this value

A

mhos

142
Q

How often in the power supply polling information, in minutes

A

30 mins

143
Q

how often should a remote test be ran to determine the state of power supplies readiness for operation

A

Monthly

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