# Electrical engineering/Audio Video Engineering MCQs set -1 Sample Test,Sample questions

## Question: ``` In which instruments Helmholtz resonators also important? ```

1.Stringed

2.Woodwind

3.Brass

4.Keyboard

Posted Date:-2022-06-24 12:08:08

## Question: ```As sound requires a medium, it cannot travel through which of the following? ```

1.Glass

2.Air

3.Vacuum

4.Water

Posted Date:-2022-06-24 11:37:48

## Question: ```At what sound pressure is the pain felt? ```

1.53 Pa

2.63 Pa

3.73 Pa

4.103 Pa

Posted Date:-2022-06-24 12:37:31

## Question: ```By which formula the resonant frequency is determined? ```

1.f = c/2Ï€âˆšB/VS Hz

2.f = c/5Ï€âˆšA/VL Hz

3.f = c/2Ï€âˆšA/VL Hz

4.f = c/3Ï€âˆšA/VS Hz

Posted Date:-2022-06-24 12:05:26

## Question: ```How do sound waves travel from the point of source? ```

1.Spherical waves

2.Oval waves

3.Sinewaves

4.Cos waves

Posted Date:-2022-06-24 11:50:01

## Question: ```How many bones does middle ear have? ```

1.1

2. 2

3. 3

4.4

Posted Date:-2022-06-24 12:26:37

## Question: ```How many set of frequencies comprise the spectrum? ```

1.1

2.2

3.3

4.4

Posted Date:-2022-06-24 12:12:48

## Question: ```How much phons is equal to 1 sone? ```

1.10

2.20

3.30

4.40

Posted Date:-2022-06-24 12:39:41

## Question: ```How much times greater is the threshold of pain corresponding to pressure amplitude of the atmospheric pressure? ```

1.10 million

2.1 billion

3.1 trillion

4.1 million

Posted Date:-2022-06-24 12:36:03

## Question: ```Two sounds have levels of 80 dB and 100 dB. What is the difference in sound intensities? ```

1.50

2.100

3.200

4.1000

Posted Date:-2022-06-24 12:42:27

## Question: ```What can be expressed as distance travelled in one second? ```

1.Phase

2.Velocity

3.Period

4.Wavelength

Posted Date:-2022-06-24 11:56:36

## Question: ```What can be termed as frequencies higher than the fundamental frequencies? ```

1.Overtones

2.Timbre

3.Pitch

4.Frequency

Posted Date:-2022-06-24 12:13:48

## Question: ```What can be termed as the intensity of compressions and rarefaction produced in the medium? ```

1.Frequency

2.Cycle

3.Wavelength

4.Amplitude

Posted Date:-2022-06-24 11:50:55

## Question: ```What can be termed as the sensation of a frequency? ```

1.Interval

2.Octaves

3.Harmonic

4.Pitch

Posted Date:-2022-06-24 12:09:29

## Question: ```What can occur when the speed of a wave changes, as it moves from one environment to another? ```

1.Reflection

2.Diffraction

3.Frequency

4.Refraction

Posted Date:-2022-06-24 12:01:45

## Question: ```What causes reverberation? ```

1.Diffraction

2.Frequency

3.Reflection

4. Refraction

Posted Date:-2022-06-24 12:01:08

## Question: ```What does the bones in the ear act like? ```

1.Audio amplifier

2.Video amplifier

4.Ultrasonic amplifier

Posted Date:-2022-06-24 12:27:44

## Question: ```What is called as the sound power per unit area? ```

1.Sound intensity

2.Sound pressure

3.Sound amplitude

4.Sound velocity

Posted Date:-2022-06-24 12:41:35

## Question: ```What is caused by bending across obstacles in sound waves? ```

1.Diffraction

2.Reflection

3.Frequency

4.Refraction

Posted Date:-2022-06-24 12:02:23

## Question: ```What is disturbed at the opening of Helmholtz resonator that bounces like a mass on a spring in simple harmonic motion which creates sound? ```

1.Air

2.Water

3.Sound

4. Frequency

Posted Date:-2022-06-24 12:08:41

## Question: ```What is termed as a pattern which repeats itself over time? ```

1.Wavelength

2.Frequency

3.Amplitude

4.Periodic Vibration

Posted Date:-2022-06-24 11:52:02

## Question: ```What is termed as one repetition of the pattern? ```

1.Velocity

2.Cycle

3.Frequency

4. Wavelength

Posted Date:-2022-06-24 11:52:39

## Question: ```What is termed as the amount of sound energy that is reflected off a surface? ```

1.Reflection

2.Refraction

3.Diffraction

4.Frequency

Posted Date:-2022-06-24 11:58:36

## Question: ```What is termed as time required to complete one cycle of vibration? ```

1.Amplitude

2. Wavelength

3.Period

4.Cycle

Posted Date:-2022-06-24 11:53:51

## Question: ```What is the dimension of sound waves in the real world? ```

1.One-dimensional

2.Two-dimensional

3.Three-dimensional

4.Four-dimensional

Posted Date:-2022-06-24 11:36:46

## Question: ```What is the effect called in which each single molecule only moves a small distance as it vibrates, and it causes the nearby molecules to vibrate all the way to the ear? ```

1.Spectral effect

2.Dynamic effect

3.Domino effect

4.Modulation effect

Posted Date:-2022-06-24 11:45:32

## Question: ```What is the full form of Hi â€“ Fi? ```

1.Highest fidelity

2.High fidelity

3. Huge fidelity

4.High frequency

Posted Date:-2022-06-24 12:32:44

## Question: ```What is the full form of SPL? ```

1.Signal Pressure Level

2.Sound Pressure Level

3.Signal Phase Level

4. Sound Periodic Level

Posted Date:-2022-06-24 12:40:50

## Question: ```What is the interval between 400 Hz and 100 Hz? ```

1.4

2.16

3.40,000

4.128

Posted Date:-2022-06-24 12:25:45

## Question: ```What is the newer unit of loudness and is now the international standard? ```

1.Phon

2.Sone

3.Decibel

4.Frequency

Posted Date:-2022-06-24 12:39:01

## Question: ```What is the required frequency range for Hi-Fi programs? ```

1.80 Hz to 5 KHz

2.40 Hz to 15 KHz

3.60 Hz to 55 KHz

4.8 Hz to 66 KHz

Posted Date:-2022-06-24 12:33:48

## Question: ```What is the required frequency range for normal entertainment programs? ```

1.80 Hz to 5 KHz

2.40 Hz to 15 KHz

3.60 Hz to 55 KHz

4.8 Hz to 66 KHz

Posted Date:-2022-06-24 12:35:05

## Question: ```What is the sound motion curves called? ```

1.Frequency

2.Cycle

3.Overtone

4.Waveform

Posted Date:-2022-06-24 11:48:47

## Question: ```What is the standard pitch of a human ear? ```

1.220 Hz

2.600 Hz

3.20 Hz

4.440 Hz

Posted Date:-2022-06-24 12:09:58

## Question: ```What is the unit of loudness level for pure tone? ```

1.Decibel

2.Velocity

3.Phon

4.Wavelength

Posted Date:-2022-06-24 12:38:23

## Question: ```What is the velocity at 0Â° C? ```

1.331 m/s

2. 339 m/s

3. 351 m/s

4.431 m/s

Posted Date:-2022-06-24 11:57:32

## Question: ```What makes two musical instruments sound different when they are playing the same note? ```

1.Overtones

2.Timbre

3.Frequency

4.Pitch

Posted Date:-2022-06-24 12:14:28

## Question: ```Which age group of people can hear the frequencies above 20,000 Hz? ```

1.70-80 years

2.65-75 years

3.Young

4.55-65 years

Posted Date:-2022-06-24 12:31:46

## Question: ```Which audio frequencies have smaller wavelength and suffer less diffraction? ```

1.Low

2.High

3.Medium

4.Low and High

Posted Date:-2022-06-24 12:03:27

## Question: ```Which change is insensitive to a human ear? ```

1.Phase

2.Velocity

3.Timbre

4.Overtones

Posted Date:-2022-06-24 12:11:26

## Question: ```Which is one of the most common applications of Helmholtz resonator? ```

1.Woofer

2.Subwoofer

3.Reflection

4. Diffraction

Posted Date:-2022-06-24 12:07:37

## Question: ```Which of the following has all the characteristics of a wave like amplitude, frequency, wavelength, phase and velocity? ```

1.Sound

2.Intensity

3.Air

4.Energy

Posted Date:-2022-06-24 11:46:15

## Question: ```Which of the following is the fluid-filled tube present in the inner ear? ```

1.Cochlea

2.Pinna

3.Auditory nerve

4.Fallopian

Posted Date:-2022-06-24 12:29:09

## Question: ```Which of the following sounds are considered harmonic? ```

1.Thunder and splattering of rain

2.Flute and trumpet

3.Thunder and trumpet

4.Thunder and saxophone

Posted Date:-2022-06-24 12:16:17

## Question: ```Which of the following sounds are considered inharmonic? ```

1.Thunder and splattering of rain

2.Thunder and trumpet

3.Saxophone and trumpet

4.Trumpet and flute

Posted Date:-2022-06-24 12:15:28

## Question: ```Which resonant frequencies can be obtained with Helmholtz resonator? ```

1.Low

2.High

3.Medium

4.Low and High

Posted Date:-2022-06-24 12:06:12

## Question: ```Which resonator is a container/bottle of gas with an open hole? ```

1.Helmholtz

2.Coaxial

3.Dielectric

4.Crystal

Posted Date:-2022-06-24 12:04:27

## Question: ```Which scale is often convenient to measure sound pressures on a logarithmic scale? ```

1.Amplitude

2.Decibel

3.Threshold

4.Temperature

Posted Date:-2022-06-24 12:36:51

## Question: ```Which sounds are generally pitched regarding human speech? ```

1.Vowels

2. Consonants

3. Amplitude

4.Resonant

Posted Date:-2022-06-24 12:16:48

## Question: ```Who is capable of detecting a difference in frequency between two separate sounds that is as little as 2 Hz? ```

1.Young

2.Old

3.Musically trained

4.Infants

Posted Date:-2022-06-24 12:10:41

## More MCQS

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