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Mk1 > Electricity > Flashcards

Electricity Flashcards

1
Q

A burned/ broke motor winding means what

A

An open/ short

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2
Q

How do you check a milliamp sensor

A

MA setting on meter in series

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3
Q

How do you wire a batteries in series

A

Negative to positive

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4
Q

Why do batteries have separator plates

A

Electrolysis

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5
Q

Two things to look for in vented type batteries

A

Specific gravity and electrolyte level

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6
Q

How do you wire an ammeter

A

In series

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7
Q

How to wire batteries in parallel

A

Positive to positive and negative to negative

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8
Q

You always start out checking amps on what setting of the meter

A

Highest

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9
Q

SWBS code for electrical

A

300

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10
Q

Electric component din code for the letter K

A

Relay

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11
Q

A 400amp hour battery is good for

A

100amp for 4hrs

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12
Q

Electric component din code for the letter F

A

Fuse

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13
Q

NSTM chapter for electrical and electrical safety

A

NSTM 300

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14
Q

Definition of ‘CAN’ bus

A

Control area network

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15
Q

How many milliamps can kill someone when shock last 1-2 seconds

A

At least 100 milliamperes (0.100)

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16
Q

Installed in all PIM 1 and PIM 2

A

MPU 23 card

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17
Q

When testing a P1000 pyrometer and you read 0 ohms

A

Sensor is good/closed

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18
Q

What is the most common shipboard voltage that causes fatalities

A

115 volts or less

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19
Q

What is the unit for capacitance

A

FARAD

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20
Q

For a 600 volt or less panel what is the shore side safety perimeter

A

36IN

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21
Q

Piezoelectric is created how

A

Pressure

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22
Q

Basic needs for electrical components

A

Resistance, capacitance, and inductance

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23
Q

How do you measure an electric actuator

A

Resistance

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24
Q

Shelf life of a battery if stored properly

A

6 years, 2 years for a dry cell

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25
Q

Electrolyte temp must not exceed what temp at any given time

A

125F

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26
Q

What is the minimum voltage for death

A

30 volts

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27
Q

What toxic gas is produced if seawater enters a battery cell

A

Chlorine gas

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28
Q

Class 2 gloves have a shock rating of how many volts

A

17,500 yellow

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29
Q

What is one of the standards used for wire size

A

AWG

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30
Q

Atoms traveling through a conductor are measured in

A

Amps

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31
Q

In larger wire what increases and what decreases

A

Amps increase and resistance decreases

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32
Q

As the number for the wire goes up what happens

A

Diameter decreases

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33
Q

Class 0 gloves are what color and protect up to how many volts

A

Red/1000 volts

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34
Q

Class I gloves are what color and protect up to what volts

A

White/7500 volts

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35
Q

Class II gloves are what color and protect up to what volts

A

Yellow/17,500 volts

36
Q

Class III gloves are what color and protect up to what volts

A

Green/26,500 volts

37
Q

What is this a picture of

A

Transistor

38
Q

What is this a picture of

39
Q

What is currents equation symbol?

40
Q

What is currents unit of measure?

A

Ampere
(AMP)

41
Q

What is currents unit abbreviation?

42
Q

What is voltage equation symbol?

43
Q

What is voltage unit of measure

44
Q

What is voltage unit abbreviation

45
Q

What is voltage schematic symbol

46
Q

What is resistance equation symbol

47
Q

What is resistance unit of measure

48
Q

What is resistance unit abbreviation and schematic symbol

49
Q

What kind of circuit is this

A

Series circuit
( has only one path of current flow )

50
Q

What kind of circuit is this

A

Parallel circuit
( has more then one path of flow )

51
Q

What kind of circuit is this

A

Series-parallel
( has some of the loads are in series some are in parallel )

52
Q

What kind of switch is this

A

Single pole
Single throw

53
Q

What kind of switch is this

A

Double pole
Single throw

54
Q

What kind of switch is this

A

Single pole
Double throw

55
Q

What kind of switch is this

A

Double pole
Double throw

56
Q

What kind of switch is this

A

Push button
Normally open

57
Q

What kind of switch is this

A

Push button
Normally closed

58
Q

What kind of switch is this

A

Push button
Two position

59
Q

What kind of switch is this

A

Multi-position switch

60
Q

What kind of switch is this

A

Pressure switch

61
Q

What kind of fuses are these

A

1: plug fuse
2: ribbon fuse
3: knife fuse

62
Q

What kind of breaker is this

63
Q

What kind of breaker is this

64
Q

What kind of resistor is this

A

Basic resistor

65
Q

What kind of resistor is this

A

Rheostat (variable resistor)

66
Q

What kind of resistor is this

A

Potentiometer (variable resistor)

67
Q

What is this

A

Cadmium photocell

68
Q

What kind of capacitor is this

A

Basic capacitor

69
Q

What kind of capacitor is this

A

Polarized capacitor

70
Q

What kind of capacitor is this

A

Variable capacitor

71
Q

What kind of diode is this

A

Basic diode

72
Q

What kind of diode is this

A

Zener diode

73
Q

What kind of diode is this

A

Light emitting diode
(LED)

74
Q

What kind of diode is this

A

Photodiode

75
Q

What kind of power supply symbol is this

76
Q

What kind of power supply symbol is this

A

DC power supply

77
Q

What kind of power supply symbol is this

A

AC power supply

78
Q

What kind of power supply symbol is this

A

Transformer

79
Q

What kind of power supply symbol is this

A

Ground negative

80
Q

What kind of electrical drawing is this

81
Q

What kind of electrical drawing is this

A

Isometric
Helps assist you in locating a component within a system

82
Q

What kind of drawing is this

A

Isometric
(Block diagram)

83
Q

What kind of electrical drawing is this

A

Single-line(uses symbols rather than labeled blocks)
All components shown In a single line

84
Q

What kind of electrical drawing is this

A

Terminal
Useful when connecting wires to terminal boards, relays, switches, etc

85
Q

What kind of electrical drawing is this

A

Schematic
Uses graphic symbols to show both electrical components and the functional organization of a circuit

86
Q

What kind of electrical drawing is this

A

Wiring
Shows all wiring, connectors, terminal boards, and electrical components of the circuit

Mk1 (16 decks)

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