3-23
The new cable tag system numbers
show which of the following parts
in sequence?
QUESTIONS 3-23 THROUGH 3-28 DEAL WITH
THE NEW SHIPBOARD CABLE TAG SYSTEM.
3-24
1.
Service, voltage, source
2. Voltage, service, source
3.
Source, voltage, service
4.
Source, service, voltage
The number 24 identifies what
circuit voltage?
3-25.
3-26.
3-27.
1. 2.4
2. 24
3.
240
4.
100 to 240
Cable voltages between 100 and 199
are identified by what means?
1.
The letter A
2.
The letter B
3.
The number 1
4.
The actual circuit voltage
When two or more generators service
the same switchboard, the
generators are marked by what
means?
1.
The first has the same number
as the switchboard and the
second will have that number
followed by a letter
2.
The first is marked with an A
and the second with a B
3.
They are numbered consecutively
4.
Both have the switchboard
number followed by consecutive
numbers
On a cable marked with the number
(1-143-3)-ZE-4P-A(2), the (2)
provides what information about the
cable?
1.
Its location in the ship
2.
Its location in the compartment
3.
The section of the power main
4. The voltage in the circuit
17
3-28.
3-29.
3-30.
3-31.
3-32.
In a three-phase ac system, a power
cable with two conductors will be
what colors for (a) B polarity and
(b) C polarity?
1.
(a) White, (b) black
2.
(a) Black, (b) white
3.
(a) Red, (b) black
4.
(a) Red, (b) white
The symbols on an isometric wiring
diagram that identify fixtures and
fittings are found in what
publication?
1.
2.
MIL-STD-15-2
Standard Electrical Symbol
List, NAVSHIPS 0960-000-4000
3.
ANSI Y32.7
4.
Basic Military Requirements
A cable size of 9000 circular mils
is identified in which of the
following cable marking numbers?
1.
2.
(2-38-1)-L-A1-T-9
(3-12-9)-L-A1A-T-150
3.
(9-124-4)-L-1A
4.
(l-38-21-9
On an isometric wiring diagram, a
single line represents cables with
how many conductors?
1.
One only
2. Two only
3. Three only
4. Any number
Which of the following plans shows
the exact location of the cables
aboard a ship?
1.
Damage control plan
2.
General plans
3.
Wiring deck plan
4.
Fire control plan
IN ANSWERING QUESTIONS 3-33 THROUGH 3-40,
SELECT FROM THE FOLLOWING LIST THE DIAGRAM
THAT IS DESCRIBED IN THE QUESTION.
A.
Block diagram
B.
Electrical system diagram
C.
Elementary wiring diagram
D.
Equipment wiring diagram
E.
Isometric wiring diagram
F.
Schematic diagram
G.
Single-line diagram
3-33.
Which diagram shows each conductor,
terminal, and connection in the
circuit?
1. A
2. B
3. C
4. D
