Decibel of db - Guides d'étude, Notes de cours & Résumés
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CAOHC Exam Prep Questions with 100% correct Answers Latest Updated 2024-2025.
- Examen • 44 pages • 2024
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CAOHC Exam Prep Questions with 100% correct Answers Latest Updated . decibel is a unit of: - answers-sound intensity 
the frequency of sound is perceived as: - answers-pitch 
what is the first thing you should do when fitting 
earplugs? - answers-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 so...
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BNSF Telecom 1 Exam Questions with Correct Answers
- Examen • 18 pages • 2024 Très apprécié
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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 is a de...
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BICSI IN101 Exam Questions and Answers Graded A+ 2023 update
- Examen • 76 pages • 2023
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BICSI IN101 Exam Questions and Answers 
Graded A+ 2023 update 
Professionalism - Answer the competence or skill expected of a professional (How 
you look, sound, and feel) 
Actions of a professional - Answer Refrain from acts that cause background checks, 
time management, avoid arguments, park appropriot, do not steal time 
Principle of transmission - Answer The movement of information in either analog or 
digital form through copper conductors and fiber strands 
AC - Answer Alternating current...
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Spectrum Field Technician 1 Test correctly answered already passed 2023
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Spectrum Field Technician 1 Test correctly answered already passed 2023Decibel (dB) - correct answer Relative # of signal gain or loss through a device or cable. 
 
Decibel millivolt (dBmV) - correct answer Absolute # of signal strength. 
 
Foreign voltage detector (FVD) - correct answer Detects unwanted voltage on cables/strands; test on plastics too. 
 
Data Over Cable Service Interface Specification (DOCSIS) - correct answer The international standard for adding high-bandwidth data to an exis...
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BICSI Installer 1 Study Guide with Complete Solutions
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BICSI Installer 1 Study Guide with Complete Solutions 
25-pair color code - Correct 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 - Correct Answer Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua 
 
NVP - Correct Answer Nominal Velocity of Propagation 
 
Insertion loss - C...
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Audiology Praxis 5343 Exam 2023
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Audiology Praxis 5343 
Exam 2023 
What is the relationship between fundamental frequencies and harmonics? - AnswerF0= lowest freq component of a complex periodic sound; harmonic is a regular and 
repeating multiple of the f0 
In which frequencies and at what intensities are most speech sounds produced? - 
Answer-When applied to speech, the human voice spans a range from about 125Hz to 
8kHz. 55-65 dB 
Define threshold - Answer-"Threshold is defined as the lowest decibel hearing level at 
wh...
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CTS Exam Questions and Answers Rated A
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When checking signal flow, the first thing you need to confirm is that the signal is _____. 
being generated by the source components 
What type of connection is pictured below? (wire under screw) direct connection 
What type of chart is displayed below? (activity/year/budget/actual) gantt chart 
This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard over 
a larger audience. Speech Reinforcement System 
0 dB SPL describes: the threshold of human hearing ...
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Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed
- Examen • 15 pages • 2023
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Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed What does the "S" in S.A.F.E stand for? Stop 
What does the "A" in S.A.F.E stand for? Assess 
What does the "F" in S.A.F.E stand for? Focus 
What does the "E" in S.A.F.E stand for? Eliminate 
What are the three branches of the Safety Triangle? Knowledge Technique Attitude 
What (in electricity) is the direct cause of injury voltage (E), current (I), or resistance (R)? Current (I) 
Wha...
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IFT 372 WIRELESS COMMUNICATION - HELM - QUIZ 1-7 + MIDTERM + LECTURE ACTIVITIES
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What is a logarithm? - Answer-A logarithm is an exponent based mathematical representation of a numerical value. 
 
What logarithmic base is used in digital communications? - Answer-Two 
 
How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) - Answer-log2(a) = [log10(a) / log10(2)] 
 
What is the definition of a decibel? - Answer-A decibel is a mathematical representation of a power level on a logarithmic scale. 
a = 10lob(b), where a is th...
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Progression: Construction Coordinator I - II Exam Answered Correctly.
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Progression: Construction Coordinator I - II Exam Answered Correctly. 
 
A chain trencher 
 
A return path sweep-and-alignment system is used to adjust which of the following? 
 
Anomalies, such as echoes and blind spots, can hide cable faults or cause a technician to misinterpret the signature of a time domain reflectometer (TDR) waveform. What causes an echo on a waveform TDR? 
 
As the RF signal travels on the coaxial cable, one portion of the signal may be attenuated more than the others. ...
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