Electrical engineering-Audio Video Engineering MCQs set /4 Sample Test,Sample questions

  1. Home

Question: 
A combination of how many bits in a binary number is commonly called a word?

1.32

2.64

3.16

4.8

Question: 
At which time step is a sample taken in ADC?

1.Odd

2.Even

3.Prime

4.1

Question: 
How many scanning lines per frame are there for Indian PAL system?

1.255

2.365

3.760

4.625

Question: 
How many times more pixels do an HDTV have than the resolution of analog signal in a DTV?

1.6

2.2

3.10

4.4

Question: 
In which audio systems, the sound is first converted into analog electrical signals using a microphone as a transducer?

1.Digital

2.Analog

3.Binary

4.Passive

Question: 
In which manner each sample is represented in audio signal?

1.Back porch

2.AGC (Automatic gain control)

3.Root mean square

4.Stepwise

Question: 
In which type of applications can hard disk based drives are useful?

1.Electronic news gathering

2.Timing errors

3.Low cost

4. High data stream

Question: 
On which principle is the moving-coil loudspeaker based?

1.Electromagnetic transduction

2.Electromagnetic induction

3.Piezoelectric effect

4. Electro dynamic induction

Question: 
Over how much distance can we transmit digital audio without loss of quality?

1.Zero

2.Infinite

3. 1

4.Thousands

Question: 
What happens to the image if the space between pictures is longer than the period of persistence of vision?

1.Skimming

2.Flickers

3. Scanning

4.Interlaced scanning

Question: 
What is attached to the coil of moving coil loudspeaker and it causes compression and rarefaction cycles in air?

1.Paper cone

2.Electrodynamic

3.Horn

4.Ribbon

Question: 
What is equal to 1024 bytes?

1.10K

2.3K

3.5K

4.1K

Question: 
What is expressed as the magnitude of sample represented by finite number which is proportional to some voltage in audio signal?

1.Quantizing

2.Amplitude

3. Phase

4.Frequency

Question: 
What is expressed as the ratio of ‘signal output’ to the ‘output in the absence of signal’?

1.Distortion

2.Signal to noise ratio (S/N)

3.Directivity

4.Impedance

Question: 
What is expressed as the ratio of output sound power to the input audio (electrical power) in loudspeaker?

1.Efficiency

2.Frequency response

3.Noise

4.Distortion

Question: 
What is known as each digit in binary?

1.Bit

2.Byte

3.ADC

4.Mega

Question: 
What is termed as the process of exploring a video picture image in quick succession?

1.Picture frame

2.Skimming

3.Flicker

4.Scanning

Question: 
What is the equation for the force in newton on the coil due to interaction between current through the coil and magnitude field?

1.F = Bli sin α

2.F = Bli tan α

3.F = Bli cos α

4.F = Bl sin α

Question: 
What is the field rate for PAL system?

1.15 Hz

2.75 Hz

3.2 Hz

4.50 Hz

Question: 
What is the full form of PCM?

1.Pulse code modulation

2.Phase code modulation

3.Pulse carrier motion

4.Pulse carrier modulation

Question: 
What is the full form of VSB?

1.Vestigial synchronous band

2.Vestigial side band

3.Vertical side band

4.Vestigial synchronous base

Question: 
What is the main advantage of binary signal?

1.We can store large data

2.We can store less data

3.We cannot store data

4.High gain

Question: 
What is the other name for black and white TV?

1.Monochrome TV

2.Color TV

3.QLED

4.Plasma

Question: 
What is the other name for video monitor?

1.SSD

2.CCU

3.VSU

4. VDU

Question: 
What is the power handling capacity for cone type speaker?

1.Up to 25 watts

2.Up to 250 watts

3.Up to 235 watts

4.Up to 75 watts

Question: 
What is the term for even and odd fields that are scanned alternately?

1.Interlaced scanning

2.Skimming

3.Scanning

4.Flicker

Question: 
What is the unit for directivity in loudspeaker?

1.Hz

2.KHz

3.Decibel

4.Newton

Question: 
What is the word used by TV engineers for one complete scanning from left to right and top to bottom and then again to the top?

1.Picture frame

2.Picture image

3.Picture video

4.Picture audio

Question: 
What numbers is digital information made of?

1.Discrete

2.Continuous

3.Binary

4.Prime

Question: 
What type of coding is used for weakness of human ears in audio compression?

1.Static

2.Dynamic

3.Perpetual

4.Disk based

Question: 
What type of errors can be eliminated for stereo images in digital systems?

1.Gross

2. Limiting

3.Timing

4. Random

Question: 
Which antenna is preferred for aerial TV receiver in monochrome TV receiver?

1.Loop

2.Dipole

3. Yagi-Uda

4.Helix

Question: 
Which audio storage device is faster in retrieving audio in disk based recording?

1.USB flash drive

2.Magnetic tape

3.Solid state drive

4.Blu-ray disk

Question: 
Which bit is used for signed numbers in binary signal?

1.MSB

2.LSB

3.PCM

4.ACD

Question: 
Which carrier frequency is used in audio modulation in an FM transmitter for the purpose of audio signal transmission?

1.10.5 MHz

2.5.5 MHz

3.7.5 MHz

4.2.4 MHz

Question: 
Which digital signal processing technique takes preventive measures to protect the transport streams from errors caused by noise and interference in the transmission channel in DTV transmitter and receiver?

1.FEC (Forward Error Correction)

2.AGC (Automatic Gain Control)

3.VDU (Visual Display Unit)

4.RFID (Radio Frequency Identification)

Question: 
Which generator produces sets of pulses to operate the system at appropriate timings?

1.Induction

2.Signal

3.Synchronizing

4. Electrical

Question: 
Which information is compared with the threshold level in a binary system?

1.Digital

2.Video

3.Audio

4. Binary

Question: 
Which is the ideal medium for editing like cut, copy and paste in disk based recording?

1.Blu-ray

2.Variable method

3.Audio compression

4.Magnetic disk drive

Question: 
Which is the important part of the system which are being used to time shift broadcast programs to skip commercial breaks?

1.Hard drive based servers

2.Software drive based servers

3.Disk based recording

4.Digital audio broadcasting

Question: 
Which magnetic material is the magnet in the moving coil loudspeaker made up of?

1.AlNiCo

2.BrNiCo

3.XeNiCo

4.PNiCo

Question: 
Which of the following cannot be detected and therefore it is difficult to separate the original signal from distorted signal in audio signal?

1.Bandwidth

2.Amplitude

3. Distortion

4.Wavelength

Question: 
Which of the following is also called reverse transducer?

1.Loudspeaker

2.Microphone

3.Baffle

4.Compact disk

Question: 
Which of the following microphone have an integrated circuit (IC) that replaces the JFET in a conventional in an electret condenser microphone resulting in a fully digital output of the electret microphone?

1.Ribbon

2.Fiber optical

3.Shot-gun type

4.Digital interface

Question: 
Which of the following restrictions apply to analog broadcasting?

1.Disc based recording

2.Channel coding

3.Networks

4.Interference, fading and multipath reception

Question: 
Which power supply is used in the monochrome TV receiver?

1.Linear

2.Switched

3. SMPS

4.Battery based

Question: 
Which signals are applied to the horizontal and vertical deflection circuits of the camera tube in scanning?

1.Analog

2. Unit impulse

3.Sawtooth

4.Ramp

Question: 
Which sync signals ensure that the scanning action of the electron beam down and across the screen is in synchronization in video monitors?

1.Horizontal

2.Left and right

3.Vertical

4.Horizontal and vertical

Question: 
Which three colors are used in color TV transmitter?

1.Red, green, blue

2.Orange, blue, green

3.Black, green, purple

4.Red, yellow, pink

Question: 
Which type of audio video files can be made portable by downloading?

1.Uncompressed

2.Compressed

3.Noisy

4.Distorted

Posted on by Online Exam TestTeam

More MCQS

  1. Microwave Engineering MCQs Set-1
  2. Microwave Engineering MCQs Set-2
  3. Microwave Engineering MCQs Set-3
  4. Microwave Engineering MCQs Set-4
  5. Microwave Engineering MCQs Set-5
  6. Microwave Engineering MCQs Set-6
  7. Microwave Engineering MCQs Set-7
  8. Microwave Engineering MCQs Set-8
  9. Network Theory Set-1
  10. Network Theory Set-2
  11. Network Theory Set-3
  12. Network Theory Set-4
  13. Network Theory Set-5
  14. Network Theory Set-6
  15. Network Theory Set-7
  16. Network Theory MCQs Set-7
  17. Audio Video Engineering MCQs set -1
  18. Audio Video Engineering MCQs set -2
  19. Audio Video Engineering MCQs set -3
  20. Audio Video Engineering MCQs set -4
  21. Audio Video Engineering MCQs set -5
  22. Audio Video Engineering MCQs set -6
  23. Audio Video Engineering MCQs set -7
Search
Olete Team
Online Exam TestTop Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Testwebsite is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!