Decibel of db - Samenvattingen, Notities en Examens
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IHS Exam questions And Answers 2023 (Latest 100% Graded A)
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In general, mold modifications are as follows: - Venting affects lows, damping the midrange and horn effects boost highs. 
 
Basic verification involves: - checking MCL and UCL in quiet and noise. 
 
Sound field is - 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: - A high Type A tells us to decrease the output by 2-3 dB 
 
You cannot use feedback checks when - checking the telephone coil ...
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MC 110: Avid Certification | 120 Questions with 100% Correct Answers | Verified | 20 Pages
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From which menu do you open the Source Browser? - correct answer FILE > Input > Source Browser 
 
Which button enables the Source Browser to display a file folder as a media volume? - correct answer Media Volume button 
 
In the Source Browser, how do you mark a folder as a favorite? - correct answer Find the folder, select it in the directory and click the STAR BUTTON at the top of the Source Browser 
 
Name two settings that affect how files are imported to Media Composer. - correct answ...
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BNSF Telecom 1 Exam Questions with Correct Answers
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BNSF Telecom 1 Exam Questions with Correct Answers 
 
VHF - Low and High range 
Very High Frequency - Answer-Low is 30 to 50 MHz 
High is 150 to 300 MHz 
 
UHF - Ultra High Frequency - Answer-300 MHz - 3 GHz 
 
Super High Frequency - SHF - Answer-3-30 GHz 
 
Extremely High Frequency - EHF - Answer-30-300 GHz 
 
Legacy Band - Answer-25 kHz wide channel 
 
Very Narrowband - Answer-6.25 kHz wide, digital 
 
Narrowband - Answer-12.5 kHz wide analog 
 
What is dB and how much power is it - Answer-dB...
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EDU230 Liberty University -EDUC 230 Exam #3 well answered
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EDUC 230 Exam #3I.D.E.A definition of deafness - correct answer - a hearing loss that is so severe that the child is impaired in processing linguistic information through hearing, with or without amplification that... 
- adversely affects a child's educational performance 
 
I.D.E.A. definition of hearing loss - correct answer - a loss of hearing, whether permanent or fluctuating that adversely affects a child's educational performance but that is not included under the definition of deafness ...
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DOEHRS-HC TRAINING Questions Answered Correctly – Expert Verified | Latest Version 2024/2025
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________ _________ reflects the relationship between the allowable exposure time and the noise 
intensity level. 
a. action level 
b. exchange rate 
c. noise rating 
d. dose level - a. action level 
A biological calibration check should be completed __________? 
a. daily prior to audiometric testing 
b. at the end of the day 
c. once a month 
d. annually - a. daily prior to audiometric testing 
A change in hearing threshold (+ or -) relative to the baseline audiogram, of an average of 10 dB or 
...
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CAOHC Exam Study Questions with complete Solutions
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Unit of measurement for frequency (pitch) Correct Answer-Hertz (Hz) 
 
Unit of measurement for intensity (loudness) Correct Answer-Decibel (dB) 
 
Risk of damage from noise Correct Answer-How loud (intensity) and how long (duration) 
 
Steady-state or continuous noise, e.g. generator Correct Answer-Lasts 1 second or longer 
 
Impulse or Impact noise, e.g. gunfire or nail gun Correct Answer-Lasts less than one second 
 
Parts of the outer ear Correct Answer-Pinna and external auditory canal 
 
Pa...
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AVIXA CTS-D: Human Perception of Sound (Questions & Answers) Rated 100%
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Logarithm - is the exponent of base 10 that equals the value of a number 
In decibel formulas how should values be logically arranged when comparing two numbers (V1 / V2) - 
If you expect a gain, place the higher number first. If you expect a loss, place the smaller number 
first. 
Explain negative decibel values - measurement just means "less than before," or in this case, "less 
than the reference level. It does not mean the basic unit it represents has a negative value 
Decibel - describes...
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BICSI Installer 1 Exam Questions with 100% correct Answers
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25-pair color code - ANSWER-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, brown, slate 
 
Fiber color code - ANSWER-Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua 
 
NVP - ANSWER-Nominal Velocity of Propagation 
 
Insertion loss - ANSWER-The difference in the amount of power received before and after something...
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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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CAOHC Exam Prep Questions and Answers Already Passed
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CAOHC Exam Prep Questions and 
 
Answers Already Passed 
 
hertz is a unit of: sound frequency 
 
decibel is a unit of: sound intensity 
 
the frequency of sound is perceived as: pitch 
 
what is the first thing you should do when fitting earplugs? 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...
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