1) The acronym FM stands for
A. frequency modes
B. filter modulation
C. frequency modulation
D. filter methodology
E. future mediocrity
Ans: C
2) According to studies, the quarter of the hour with the largest listening audience is
A. 0 - 15 min
B. 15 - 30 min
C. 30 - 45 min
D. 45 - 60 min
Ans: A
3) Which scientist is credited with the discovery the existence of radio waves
A. Thomas Edison
B. Heinrich Hertz
C. Ben Franklin
D. Guglielmo Marconi
E. Albert Einstein
Ans:B
4) Which inventor conducted the first radio transmission in the year 1895
A. Thomas Edison
B. Heinrich Hertz
C. Ben Franklin
D. Guglielmo Marconi
E. Albert Einstein
Ans:D
5) Which single event resulted in global acceptance of 24 hour mandatory use of radio for shipping communications
A. The 'War of the Worlds' broadcast
B. The attack on Pearl Harbor
C. The crash of the Hindenburg Zeppelin
D. The sinking of the S.S. Titanic
E. Hitler's invasion of Poland
Ans:D
6) Morse Code is what form of radio transmission
A. AM (Amplitude modulation)
B. FM (Frequency Modulation)
C. PDM (Pulse Duration Modulation)
D. PCS (Personal Communications Services)
E. PCM (Pulse Code Modulation)
Ans:C
7) FM broadcasts are assigned what radio frequencies by the FCC
A. 540 kHz - 1630 kHz
B. 88 MHz - 174 MHz
C. 300 MHz - 3000 MHz
D. 1850 MHz - 1990 MHz
E. 7.25 gHz - 8.4 gHz
Ans:B
8) Line of sight propagation is defined as
A. A signal traveling directly from the transmitter antenna to the receiver antenna
B. The 'dead area' within the skip zone
C. A signal refracted, or bent back to the earth by the ionosphere
D. A signal traveling along the ground following the curve of the earth
E. None of the above
Ans:A
9) The term 'Picket Fencing' is used to describe
A. Slats of wood that divide one receiver from another
B. The actuality of direct and reflecting waves first canceling then reinforcing each other, causing fluttering of the transmission
C. The actuality of direct and reflecting waves canceling each other, but not reinforcing, thus causing fluttering of the transmission
D. None of the above
E. All of the above (Your Answer)
Ans:B
10) At night, AM transmissions can be received from great distances because
A. There are fewer stations broadcasting
B. There is less traffic on the roads to cause interference
C. The dissipation of the 'D' layer of the ionosphere
D. All of the above
E. None of the above
Ans:C
More Questions & Answers:-
Page1 Page2 Page3 Page4 Page5 Page6 Page7
A. frequency modes
B. filter modulation
C. frequency modulation
D. filter methodology
E. future mediocrity
Ans: C
2) According to studies, the quarter of the hour with the largest listening audience is
A. 0 - 15 min
B. 15 - 30 min
C. 30 - 45 min
D. 45 - 60 min
Ans: A
3) Which scientist is credited with the discovery the existence of radio waves
A. Thomas Edison
B. Heinrich Hertz
C. Ben Franklin
D. Guglielmo Marconi
E. Albert Einstein
Ans:B
4) Which inventor conducted the first radio transmission in the year 1895
A. Thomas Edison
B. Heinrich Hertz
C. Ben Franklin
D. Guglielmo Marconi
E. Albert Einstein
Ans:D
5) Which single event resulted in global acceptance of 24 hour mandatory use of radio for shipping communications
A. The 'War of the Worlds' broadcast
B. The attack on Pearl Harbor
C. The crash of the Hindenburg Zeppelin
D. The sinking of the S.S. Titanic
E. Hitler's invasion of Poland
Ans:D
6) Morse Code is what form of radio transmission
A. AM (Amplitude modulation)
B. FM (Frequency Modulation)
C. PDM (Pulse Duration Modulation)
D. PCS (Personal Communications Services)
E. PCM (Pulse Code Modulation)
Ans:C
7) FM broadcasts are assigned what radio frequencies by the FCC
A. 540 kHz - 1630 kHz
B. 88 MHz - 174 MHz
C. 300 MHz - 3000 MHz
D. 1850 MHz - 1990 MHz
E. 7.25 gHz - 8.4 gHz
Ans:B
8) Line of sight propagation is defined as
A. A signal traveling directly from the transmitter antenna to the receiver antenna
B. The 'dead area' within the skip zone
C. A signal refracted, or bent back to the earth by the ionosphere
D. A signal traveling along the ground following the curve of the earth
E. None of the above
Ans:A
9) The term 'Picket Fencing' is used to describe
A. Slats of wood that divide one receiver from another
B. The actuality of direct and reflecting waves first canceling then reinforcing each other, causing fluttering of the transmission
C. The actuality of direct and reflecting waves canceling each other, but not reinforcing, thus causing fluttering of the transmission
D. None of the above
E. All of the above (Your Answer)
Ans:B
10) At night, AM transmissions can be received from great distances because
A. There are fewer stations broadcasting
B. There is less traffic on the roads to cause interference
C. The dissipation of the 'D' layer of the ionosphere
D. All of the above
E. None of the above
Ans:C
More Questions & Answers:-
Page1 Page2 Page3 Page4 Page5 Page6 Page7
No comments:
Post a Comment