Decibel of db - Samenvattingen, Notities en Examens
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CAOHC EXAM PREP QUESTIONS AND ANSWERS
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hertz is a unit of: - Answer-sound frequency 
 
decibel is a unit of: - Answer-sound intensity 
 
the frequency of sound is perceived as: - Answer-pitch 
 
what is the first thing you should do when fitting earplugs? - Answer-a. pull the top of the ear to align the ear canal 
b. roll the earplug down into a tight, crease-free cylinder 
c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS 
d. insert the earplug deep into the ear canal 
 
hearing tests do not have to be conducted in a sound booth as long as ...
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PDD Final Exam Questions & Answers 2024/2025
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PDD Final Exam Questions & Answers 2024/2025 
 
 
Acoustics - ANSWERSdisturbance of molecules on an elastic medium 
 
Attenuation - ANSWERSReduction of sound 
 
Decibel (dB) / dBA - ANSWERS- Units of sound intensity. dBA is weighted to the human ear, while dB is logarithmic 
- 70 dB sounds 2x as loud as 60 dB; 10 dB difference 20 dB increase will sound 4x as loud 
 
0 dB - ANSWERSno noise 
 
30 dB - ANSWERSsoft music or rustling leaves 
 
40 dB - ANSWERSquiet office 
 
75 dB - ANSWERSvacuum clea...
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BICSI IN101 exam 2023/2024 with 100% correct answers
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Professionalism - correct answer the competence or skill expected of a professional (How you look, sound, and feel) 
 
Actions of a professional - correct answer Refrain from acts that cause background checks, time management, avoid arguments, park appropriot, do not steal time 
 
Principle of transmission - correct answer The movement of information in either analog or digital form through copper conductors and fiber strands 
 
AC - correct answer Alternating current 
 
Analog signal - ...
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CAOHC Exam Study Guide, Exam Questions With 100% Correct Answers Updated 2024/2025 (Graded)
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CAOHC Exam Study Guide, Exam Questions With 100% Correct Answers Updated 2024/2025 (Graded) Unit of measurement for intensity (loudness) - 
answers-Decibel (dB) 
Risk of damage from noise - answers-How loud 
(intensity) and how long (duration) 
Steady-state or continuous noise, e.g. generator - 
answers-Lasts 1 second or longer 
Impulse or Impact noise, e.g. gunfire or nail gun - 
answers-Lasts less than one second 
Parts of the outer ear - answers-Pinna and external 
auditory canal 
Parts of th...
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CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025.
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CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025. Unit of measurement for frequency (pitch) - answersHertz (Hz) 
Unit of measurement for intensity (loudness) - 
answers-Decibel (dB) 
Risk of damage from noise - answers-How loud 
(intensity) and how long (duration) 
Steady-state or continuous noise, e.g. generator - 
answers-Lasts 1 second or longer 
Impulse or Impact noise, e.g. gunfire or nail gun - 
answers-Lasts less than one second 
Parts of the outer ear - an...
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CAOHC Exam Study Guide Latest Update Rated A+
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CAOHC Exam Study Guide Latest 
 
Update Rated A+ 
 
Unit of measurement for frequency (pitch) Hertz (Hz) 
 
Unit of measurement for intensity (loudness) Decibel (dB) 
 
Risk of damage from noise How loud (intensity) and how long (duration) 
 
Steady-state or continuous noise, e.g. generator Lasts 1 second or longer 
 
Impulse or Impact noise, e.g. gunfire or nail gun Lasts less than one second 
 
Parts of the outer ear Pinna and external auditory canal 
 
Parts of the middle ear Tympanic membran...
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Spectrum Field Technician 1 Test Questions and Answers 100% Correct
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Spectrum Field Technician 1 Test Questions and Answers 100% CorrectSpectrum Field Technician 1 Test Questions and Answers 100% CorrectSpectrum Field Technician 1 Test Questions and Answers 100% CorrectSpectrum Field Technician 1 Test Questions and Answers 100% Correct 
Decibel (dB) - ANSWER-Relative # of signal gain or loss through a device or cable. 
 
Decibel millivolt (dBmV) - ANSWER-Absolute # of signal strength. 
 
Foreign voltage detector (FVD) - ANSWER-Detects unwanted voltage on cables/s...
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CTS Exam Questions & Answers 2023/2024
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CTS Exam Questions & Answers 2023/2024 
 
 
When checking signal flow, the first thing you need to confirm is that the signal is _____. - ANSWER-being generated by the source components 
 
What type of connection is pictured below? (wire under screw) - ANSWER-direct connection 
 
What type of chart is displayed below? (activity/year/budget/actual) - ANSWER-gantt chart 
 
This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard over a larger audience. - ANS...
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IHS Exam Physics Questions And Answers
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IHS Exam Physics Questions And Answers 
In general, mold modifications are as follows: - ANS-Venting affects lows, damping the midrange and 
horn effects boost highs. 
Basic verification involves: - ANS-checking MCL and UCL in quiet and noise. 
Sound field is - ANS-a controlled environment 
The configuration and height of the tympanogram can be a factor in deciding the proper matrix for the 
fitting of a hearing aid: - ANS-A high Type A tells us to decrease the output by 2-3 dB 
You cannot use...
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BICSI Installer 1 Questions and Answers Already Passed
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BICSI Installer 1 Questions and Answers 
 
Already Passed 
 
1. **What is the 25-pair color code used for?** 
- The 25-pair color code is used for identifying individual pairs of wires in 
telecommunications cables. It uses color combinations such as White - Blue, Orange, Green, 
Brown, Slate. 
White - Blue, orange, green, brown, slate 
Red - Blue, orange, green, brown, slate 
Black - Blue, orange, green, brown, slate 
Yellow - Blue, orange, green, brown, slate 
Violet - Blue, orange, green, br...
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