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Mk1 > Electricity > Flashcards

Electricity Flashcards

(86 cards)

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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
Electrolyte temp must not exceed what temp at any given time
125F
26
What is the minimum voltage for death
30 volts
27
What toxic gas is produced if seawater enters a battery cell
Chlorine gas
28
Class 2 gloves have a shock rating of how many volts
17,500 yellow
29
What is one of the standards used for wire size
AWG
30
Atoms traveling through a conductor are measured in
Amps
31
In larger wire what increases and what decreases
Amps increase and resistance decreases
32
As the number for the wire goes up what happens
Diameter decreases
33
Class 0 gloves are what color and protect up to how many volts
Red/1000 volts
34
Class I gloves are what color and protect up to what volts
White/7500 volts
35
Class II gloves are what color and protect up to what volts
Yellow/17,500 volts
36
Class III gloves are what color and protect up to what volts
Green/26,500 volts
37
What is this a picture of
Transistor
38
What is this a picture of
Diode
39
What is currents equation symbol?
I
40
What is currents unit of measure?
Ampere (AMP)
41
What is currents unit abbreviation?
A
42
What is voltage equation symbol?
E or V
43
What is voltage unit of measure
Volts
44
What is voltage unit abbreviation
V
45
What is voltage schematic symbol
46
What is resistance equation symbol
R
47
What is resistance unit of measure
Ohm
48
What is resistance unit abbreviation and schematic symbol
49
What kind of circuit is this
Series circuit ( has only one path of current flow )
50
What kind of circuit is this
Parallel circuit ( has more then one path of flow )
51
What kind of circuit is this
Series-parallel ( has some of the loads are in series some are in parallel )
52
What kind of switch is this
Single pole Single throw
53
What kind of switch is this
Double pole Single throw
54
What kind of switch is this
Single pole Double throw
55
What kind of switch is this
Double pole Double throw
56
What kind of switch is this
Push button Normally open
57
What kind of switch is this
Push button Normally closed
58
What kind of switch is this
Push button Two position
59
What kind of switch is this
Multi-position switch
60
What kind of switch is this
Pressure switch
61
What kind of fuses are these
1: plug fuse 2: ribbon fuse 3: knife fuse
62
What kind of breaker is this
Thermal
63
What kind of breaker is this
Magnetic
64
What kind of resistor is this
Basic resistor
65
What kind of resistor is this
Rheostat (variable resistor)
66
What kind of resistor is this
Potentiometer (variable resistor)
67
What is this
Cadmium photocell
68
What kind of capacitor is this
Basic capacitor
69
What kind of capacitor is this
Polarized capacitor
70
What kind of capacitor is this
Variable capacitor
71
What kind of diode is this
Basic diode
72
What kind of diode is this
Zener diode
73
What kind of diode is this
Light emitting diode (LED)
74
What kind of diode is this
Photodiode
75
What kind of power supply symbol is this
Battery
76
What kind of power supply symbol is this
DC power supply
77
What kind of power supply symbol is this
AC power supply
78
What kind of power supply symbol is this
Transformer
79
What kind of power supply symbol is this
Ground negative
80
What kind of electrical drawing is this
Pictorial
81
What kind of electrical drawing is this
Isometric Helps assist you in locating a component within a system
82
What kind of drawing is this
Isometric (Block diagram)
83
What kind of electrical drawing is this
Single-line(uses symbols rather than labeled blocks) All components shown In a single line
84
What kind of electrical drawing is this
Terminal Useful when connecting wires to terminal boards, relays, switches, etc
85
What kind of electrical drawing is this
Schematic Uses graphic symbols to show both electrical components and the functional organization of a circuit
86
What kind of electrical drawing is this
Wiring Shows all wiring, connectors, terminal boards, and electrical components of the circuit

Mk1 (16 decks)

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