Objective Questions on Television Engineering

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Objective Questions on Television Engineering

Objective Questions on Television Engineering, MCQ on Television Engineering, Multiple Choice Questions on Television Engineering, MCQ on TV Engineering, Television Engineering Question Bank.

Multiple Choice Question on TV

In India, which monochrome TV system is used

  • 525 line system
  • 625 line system
  • 819 line system
  • None of these

Answer: 625 line system

The color TV system used in India is

  • NTSC
  • PAL-B
  • SECAM
  • None of these

Answer: PAL-B

Aspect ratio for width to height for a TV picture frame is

  • 1:1
  • 2:3
  • 4:3
  • 16:9

Answer: 4:3

The number of interruption in projection movie pictures on a cinema screen are

  • 50
  • 60
  • 24
  • 48

Answer: 48

Field frequency in India is

  • 60 Hz
  • 50 Hz
  • 15625 Hz
  • 625 Hz

Answer: 50 Hz

Horizontal scanning frequency, according to CCIR standards is

  • 15750 Hz
  • 15625 Hz
  • 60 Hz
  • 15725 Hz

Answer: 15625 Hz

Trace period of a horizontal line is

  • 64 µs
  • 12 µs
  • 52 µs
  • 1280 µs

Answer: 52 µs

The horizontal resolutions of a picture depends on

  • The number of horizontal lines
  • Horizontal scanning rate
  • The vertical scanning rate
  • Both 1st and 2nd

Answer: Both 1st and 2nd

Retrace period of a horizontal line is

  • 64 µs
  • 12 µs
  • 52 µs
  • 20 µs

Answer: 12 µs

Trace period of a vertical sweep is

  • 18720 µs
  • 1280 µs
  • 20 ms
  • None of the above

Answer: 18720 µs

Each sequence of scanning in the interlaced scanning method is known as

  • Field
  • Scanning lines
  • Trace path
  • Retrace path

Answer: Field

Vertical blanking period is

  • Equal to the vertical retrace
  • Greater than the vertical retrace
  • Less than the vertical retrace
  • None of these

Answer: Greater than the vertical retrace

According to CCIR standards the field sync occurs after lines

  • 312.5 and 625
  • 262.5 and 625
  • 310 and 662.5
  • None the above

Answer: 312.5 and 625

Aspect ratio of a televisions is

  • 3:4
  • 4:3
  • 9:16
  • None of these

Answer: 4:3

In India, horizontal blanking pulse is

  • 12 µs
  • 4.7 µs
  • 1280 µs
  • 1870 µs

Answer: 12 µs

The width of H-sync pulse in India is

  • 12 µs
  • 4.7 µs
  • 1870 µs
  • 52 µs

Answer: 4.7 µs

In interlaced scanning, there is one half line spacing between the start positions for scanning odd and even fields. This is done to produce

  • Horizontal Scanning
  • Linear Scanning
  • Exact Interlacing
  • Line Pairing

Answer: Exact Interlacing

According to CCIR standards, the televisions screen is blanked out

  • 25 times in one second
  • 60 times in one second
  • 50 times in one second
  • 15625 times in one second

Answer: 50 times in one second

The value of Kell factor is about …………

  • 0.5
  • 0.3
  • 0.7
  • 0.9

Answer: 0.7

Bandwidth of AMVSB for video carrier is

  • 4 MHz
  • 5.75 MHz
  • 7.85 MHz
  • 11 MHz

Answer: 5.75 MHz

The term pedestal is used for

  • Sync top level
  • Blanking Pulse
  • Black level
  • White level

Answer: Blanking Pulse

Video signals below 10% of the carrier are known as:

  • Pedestal height
  • Blacker than black
  • Whiter than white
  • None of the above

Answer: Whiter than white

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