home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Media Share 9
/
MEDIASHARE_09.ISO
/
hamradio
/
hamtest.zip
/
ELE2F
< prev
next >
Wrap
Text File
|
1992-01-26
|
12KB
|
378 lines
FCC NOVICE Exam Question Pool. Subelement 2F.
Circuit Components. 2 Questions.
---------------------------------------------------
2F 1.1 B
What is the symbol used on schematic diagrams to represent
a resistor?
A. B.
───│── ──/\/\/\/\/\/\──
.
.
.
C. ┌─┐ D.
───┤ ├─── ┌─┬─┬─┬─┬─┬─┬─┐
└─┘ │ │ │ │ │ │ │ │
2F 1.2 C
What is the symbol used on schematic diagrams to represent
a variable resistor or potentiometer?
A. ─┐ ─┐ B. ─┐
/ / ┌─┬─┬─┬─┬─/─┬─┐
──│─── │ │ │ │ / │ │ │
/
.
.
C. ┌─ D. ─┐
\ │ │/
──/\/\/\/\/\/\─ ───┤/├───
\ /│ │
2F 1.3 C
In diagram 2F-1, which component is a resistor?
A. 1
B. 2
C. 3 Figure 2F-1
D. 4
/ 2
/ ┌┬───┬┐ 3
┌──O O────┤│ │├────/\/\/\/\/\/\───┐
│ 1 └┴───┴┘ │
│ │
│ 4 │
│ │ │
└────────────────┤ ├───────────────────┘
── │ ─┼─
2F 2.1 A
What is the symbol used on schematic diagrams to represent
a single-throw switch?
/
A. / B. ─┐
O O ──│───
└─
.
O ┌───
C. / D.
/ O────
O O
└───
2F 2.2 A
What is the symbol used on schematic diagrams to represent
a single-pole, double-throw switch?
O
/
A. / B. O────
O O
└───
.
.
C. / D. ┬
/ ─┴────O──
O O ───
.
2F 2.3 B
What is the symbol used on schematic diagrams to represent
a double-pole, double-throw switch?
O
/ O──┬──O
A. / B. |
O O O──┴──O
.
┌───
C. O──── D.
O────
└───
└───
2F 2.4 D
What is the symbol used on schematic diagrams to represent
a single-pole, 5-position switch?
│
───┴───
O O O O O ─ ─ ─ ─
A. ├ ─ ┼ ─ ┼ ─ ┼ ─ ┤ B. ─ ─ ─ ─
O O O O O ─ ─ ─ ─
┌─────┐
│
.
.
O O
C. O │ O D. O O
\ /
O────O────O O O────O
.
2F 2.5 A
In diagram 2F-2, which component is a switch?
A. 1
B. 2
C. 3 Figure 2F-2
D. 4
/ 2
/ ┌┬───┬┐ 3
┌──O O────┤│ │├────/\/\/\/\/\/\───┐
│ 1 └┴───┴┘ │
│ │
│ 4 │
│ │ │
└────────────────┤ ├───────────────────┘
── │ ─┼─
2F 3.1 C
What is the symbol used on schematic diagrams to represent
a fuse?
.
A. ┌─┐ B. │┌─┐│
──┤ ├── ───┤│ │├───
└─┘ │└─┘│
.
.
│
C. ┌┬───┬┐ D. ┌──┴──┐
─┤│ │├─ └──┬──┘
└┴───┴┘ │
2F 4.1 C
What is the symbol used on schematic diagrams to represent
a single-cell battery?
.
A. ── │ ─┼─ B. ── ┌─┐ ─┼─
───┤├─── ──┤ ├──
│ └─┘
.
.
.
C. ─┼─ │ ── D. ─┼─ ┌┬───┬┐ ──
───┤├─── ─┤│ │├─
│ └┴───┴┘
2F 4.2 B
What is the symbol used on schematic diagrams to represent
a multi-cell battery?
.
A. ── ┌─┐ ┌─┐ ┌─┐ ─┼─ B. ─┼─ │ │ ──
──┤ ├──┤ ├──┤ ├── ───┤││├───
└─┘ └─┘ └─┘ │ │
.
.
.
C. ─┼─ │ | | | ┌ D. ── │ │ ─┼─
───┤ | | | │ ── ───┤││├───
│ | | | └───── │ │
2F 5.1 D
What is the symbol normally used to represent an earth-ground
connection on schematic diagrams?
.
A. │ B. │
/│\ __│___
/ │ \ / / /
.
.
C. D. │
_│_│_ ───┴───
/_____\ ─────
───
2F 5.2 B
What is the symbol normally used to represent an chassis-ground
connection on schematic diagrams?
.
A. │ B. │
/│\ __│___
/ │ \ / / /
.
.
C. │ D.
───┴─── _│_│
───── /_____\
───
2F 5.3 A
In diagram 2F-5, which symbol represents an chassis ground connection?
A. 1
B. 2 Figure 2F-5
C. 3
D. 4 O
│ ┌──────────────┐
/ │ /
│ / │ │ /
┌──/\/\/\/\/\/\────┤\ │ O────┤\
│ │ > │ │ <
│ 2 \ │ 3 \
│ └──┘ │ 4
│ 1 ───┴───
__│___ ─────
/ / / ───
2F 5.4 D
In diagram 2F-5, which symbol represents an earth ground connection?
A. 1
B. 2 Figure 2F-5
C. 3
D. 4 O
│ ┌──────────────┐
/ │ /
│ / │ │ /
┌──/\/\/\/\/\/\────┤\ │ O────┤\
│ │ > │ │ <
│ 2 \ │ 3 \
│ └──┘ │ 4
│ 1 ───┴───
__│___ ─────
/ / / ───
2F 6.1 D
What is the symbol normally used to represent an antenna
on schematic diagrams?
.
─── ___________
A. ───── B. \ /
───┬─── \─────/
│ └─┬─┬─┘
.
.
.
/__/__/ \ │ /
C. │ D. \│/
│ │
2F 7.1 C
What is the symbol used to represent a NPN bipolar transistor
on schematic diagrams?
/──── C
│ / E \ ├────── B2
A. B ────┤\ B. > │
│ < \│
\──── E ├────── B1
.
.
/──── C
C. │ / D. E \ ├────── B2
B ────┤\ < │
│ > \│
\──── E ├────── B1
2F 7.2 A
What is the symbol used to represent a PNP bipolar transistor
on schematic diagrams?
/──── C
│ / E \ ├────── B2
A. B ────┤\ B. > │
│ < \│
\──── E ├────── B1
.
.
/──── C
C. │ / D. E \ ├────── B2
B ────┤\ < │
│ > \│
\──── E ├────── B1
2F 7.3 C
In diagram 2F-7, which symbol represents a PNP bipolar transistor?
A. 1
B. 2 Figure 2F-7
C. 3
D. 4 O
│ ┌──────────────┐
/ │ /
│ / │ │ /
┌──/\/\/\/\/\/\────┤\ │ O────┤\
│ │ > │ │ <
│ 2 \ │ 3 \
│ └──┘ │ 4
│ 1 ───┴───
__│___ ─────
/ / / ───
2F 7.4 B
In diagram 2F-7, which symbol represents a NPN bipolar transistor?
A. 1
B. 2 Figure 2F-7
C. 3
D. 4 O
│ ┌──────────────┐
/ │ /
│ / │ │ /
┌──/\/\/\/\/\/\────┤\ │ O────┤\
│ │ > │ │ <
│ 2 \ │ 3 \
│ └──┘ │ 4
│ 1 ───┴───
__│___ ─────
/ / / ───
2F 8.1 A
What is the symbol used to represent a triode vacuum tube on
schematic diagrams?
│ PLATE
│ PLATE ───┴───
A. ───┴─── B. ─ ─ ─ ─ ┐
GRID ─ ─ ─ ─ ─ ─ ─ ─ │GRID
┌─────┐ ─ ─ ─ ─ ┘
│ /\ CATHODE ┌─────┐
│ ││ CATHODE │ /\
.
.
PLATE PLATE
C. │ D. │
O GRID ▀▀▀
■ GRID ────▄
O ▄▄▄▄▄
CATHODE │ CATHODE │
--------------------------------------------------
End of Subelement 2F.