Audio Video Engineering MCQ

Test your knowledge with important Audio Video Engineering MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Audio Video Engineering MCQs at Bissoy

• Elimination is the best method to catch any problem in troubleshooting in DVD.
  ক

  True

  খ

  False
• Which error message do we often see on the DVD players because of spoilt DVD lens?
  ক

  “No disc”

  খ

  “Unrecognized disc”

  গ

  “Invalid format”

  ঘ

  “Bad disc”
• A DVD player may not function properly because it has been imported from another country.
  ক

  True

  খ

  False
• Which is the very basic problem in troubleshooting in DVD players?
  ক

  Frequency

  খ

  Substitution

  গ

  Integration

  ঘ

  Aspect ratio
• In which of the following player all the mechanical, electrical and electronic components need to work in harmony with each other?
  ক

  DVD

  খ

  CD

  গ

  DVR

  ঘ

  VCR
• Which section needs to be checked for faults if the playback is working abnormally with its own recording but the same recording works perfectly on another device in troubleshooting in VCR?
  ক

  Recording

  খ

  Video

  গ

  Audio

  ঘ

  Playback
• Which section needs to be checked for faults if the playback works normally with the cassette and does not work properly with its own recording in troubleshooting in VCR?
  ক

  Playback

  খ

  Video

  গ

  Audio

  ঘ

  Recording
• Which special equipment is used to test a VCR?
  ক

  Dual-trace delayed sweep oscilloscope

  খ

  Digital storage oscilloscope

  গ

  Digital phosphor oscilloscope

  ঘ

  Mixed signal oscilloscope
• Which of the following serves an important part in troubleshooting in VCRs?
  ক

  Aspect ratio

  খ

  Integration

  গ

  Substitution

  ঘ

  Playback section
• A VCR is an electromagnetic device.
  ক

  True

  খ

  False
• In isolation technique each stage is isolated from the end point on by one in troubleshooting of power supply unit.
  ক

  True

  খ

  False
• Which test is conducted by keeping the power supply ON in power supply unit in troubleshooting of power supply unit?
  ক

  Cold

  খ

  Hot

  গ

  Continuity

  ঘ

  Impedance
• In which test the power of supply unit is kept switched off and the resistance at the divergent point is measured in power supply unit in troubleshooting of power supply unit?
  ক

  Continuity

  খ

  Impedance

  গ

  Hot

  ঘ

  Cold
• When the complexity of the system increases, chances of presence of intermittent fault increases.
  ক

  True

  খ

  False
• Which type of circuit has only one output but many different inputs?
  ক

  Subsequent stage

  খ

  Dissimilar circuits

  গ

  Merging circuits

  ঘ

  Feedback circuits
• Which of the following is not the type of circuit configuration when the stage is faulty?
  ক

  Subsequent stage

  খ

  Dissimilar circuits

  গ

  Merging circuits

  ঘ

  Section stage
• In many circuits, the current return path is designated as ground.
  ক

  True

  খ

  False
• How much percent of the problems are related to ground in wiring of an audio system?
  ক

  90

  খ

  50

  গ

  70

  ঘ

  30
• How many types of interfering fields are there?
  ক

  1

  খ

  3

  গ

  4

  ঘ

  2
• The purpose of shielding is to increase noise currents from coupling into electrical measurements.
  ক

  True

  খ

  False
• From where does tracing start to determine the faulty component in an isolated stage in circuit tracing techniques?
  ক

  Section

  খ

  Stages

  গ

  Component

  ঘ

  Pinpoints
• Signal tracing can be done by simple diode trace or CRO in circuit tracing techniques.
  ক

  True

  খ

  False
• Which of the following is defined as the thorough checking of equipment periodically as per the schedule prescribed in the service manual?
  ক

  Servicing

  খ

  Maintenance

  গ

  Shielding

  ঘ

  Grounding
• Faster the repair, lower should be the MTR (Mean Time to Repair) in corrective maintenance.
  ক

  True

  খ

  False
• Which of the following is defined as average of the time taken in repair work?
  ক

  MTBF

  খ

  MTR

  গ

  MAC

  ঘ

  MCU
• What is the full from of MTBF?
  ক

  Motion Transport between Frequencies

  খ

  Mean Transport bits Failures

  গ

  Motion Time between Frequencies

  ঘ

  Mean Time between Failures
• Which of the following pertains to integrating of million components on a single chip in modern electronic equipment?
  ক

  Miniaturisation

  খ

  Digitization

  গ

  Reliability

  ঘ

  Maintenance policy
• What is the full form of SMPTE?
  ক

  Specially Evolved Motion Picture and Television Engineering

  খ

  Scientifically Evolved Motion Picture and Television Engineering

  গ

  Specially Evolved Motion Photos and Telephone Engineering

  ঘ

  Scientifically Examined Moving Picture and Television Engineering
• What should not be too low for the audio signal to be reconstructed to the original one in a digital recording system?
  ক

  Amplitude

  খ

  Phase

  গ

  Frequency

  ঘ

  Sample rate
• In digital audio recorders the number of bytes used to represent a single audio wave directly affects the achievable noise level of signal recorded.
  ক

  True

  খ

  False