Television Engineering MCQs

390 questionsElectronics-EngineeringPage 1 of 44

Practice free Television Engineering multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 390 questions — no login required.

Question 1easy
A pulse-type waveform (such as television line pulse) is a modification of
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Question 2easy
The main purpose of interlacing in television scanning is to
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Question 3easy
If a TV picture has 525 lines and scanning rate is 30 pictures/second, time for scanning one line is second.
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Question 4easy
If there are 625 lines per TV picture, then lines per field are
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Question 5easy
The function of a sync separator ma TV set is to separate the signals.
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Question 6easy
The main function of electron gun in a cathode-ray tube is to ---- electrons.
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Question 7easy
In a CRT, focussing of electron beam is achieved by varying
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Question 8easy
Intensity of the electron beam in a CRT can be controlled by varying voltage
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Question 9easy
The observe a portion of a waveform, we must use
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