MCQ in Broadcasting and Cable TV System Part 13 | ECE Board Exam

This is the Multiples Choice Questions Part 13 of the Series in Broadcasting and Cable TV System as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

MCQ Topic Outline included in ECE Board Exam Syllabi

• MCQ in Radio Transmitter
• MCQ in AM and FM
• MCQ in Television
• MCQ in Studio (Microphone, Amplifiers, Cameras, Lighting, etc.)
• MCQ in Cable Television

Continue Practice Exam Test Questions Part 13 of the Series

Choose the letter of the best answer in each questions.

601. What is the frame frequency in the US TV system?

A. 30 Hz

B. 60 Hz

C. 15750 Hz

D. 157625 Hz

602. What is the highest video frequency set by the FCC for commercial TV?

A. 4.2 MHz

B. 15 MHz

C. 6 MHz

D. 5.5 MHz

603. What determines the maximum number of vertical picture elements?

A. Number of frames per second

B. Number of lines on the screen

C. Number of pixels

D. Number of fields per second

604. How many horizontal lines are used to develop a TV raster?

A. 615

B. 525

C. 750

D. 15750

605. The channel width in the U.S. TV system is :

A. 2 MHz

B. 6 MHz

C. 7 MHz

D. 8 MHz

606. It is the popular TV camera designed with much smaller package and lower cost than its earlier designs

A. Image orthicon

B. Iconoscope

C. Vidicon

D. Plumbicon

607. In a composite video signal, what is the relationship between the amplitude of the signal and the intensity of the electron beam in the receiver picture tube?

A. The greater the amplitude the darker the picture

B. The lower the amplitude the darker the picture

C. The greater the amplitude the lighter the picture

D. No effect

608. If there are 625 lines per TV picture then the number of lines per field are:

A. 1250

B. 312.5

C. 625

D. 2500

609. What is the process of placing the chrominance signal in the band space between portions of the luminance signal?

A. Interlacing

B. Fitting

C. Sneaking

D. Interleaving

610. How much time elapses between the start of one horizontal sync pulse and the next?

A. 10.2 μs

B. 63.5 μs

C. 16.67 μs

D. 100 μs

611. Which of the following frequencies is wrong?

A. 15,750 Hz for horizontal sync and scanning

B. 60 Hz for vertical sync and scanning

C. 31,500 Hz for the equalizing pulses and serrations in the vertical sync pulse

D. 31,500 Hz for the vertical scanning frequency

612. The camera tube that uses selenium, arsenic and tellurium

A. Plumbicon

B. Vidicon

C. Saticon

D. Silicon Vidicon

613. The components of composite video signal are:

A. Chroma signal

B. Blanking pulse

C. Synchronizing pulse

D. All of these

614. What is the smallest amount of information that can be displayed on a television screen?

A. Blip

B. Burst

C. Pixel

D. Bits

615. It is the quality of the TV picture after imperfections

A. Aspect ratio

B. Utilization ratio

C. A1

D. Monochrome

616. What section of a TV receiver determines the bandwidth and produces the most signal gain?

A. RF amplifier

B. Audio amplifier

C. IF amplifier

D. Tuned circuit

Questions and Answers in Broadcasting and Cable TV System Series

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQ in Communications Engineering per topic