Decibels db Study guides, Class notes & Summaries

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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BICSI Installer 2 Technician exam Questions with elaborated answers 2024 1 - CORRECT ANSWER-KEY TERMS Choose Correct Term: 1. Attenuation, 2. Bandwidth, 3. Cable Loss, 4. Cladding, 5. Connector, 6. Dispersion, 7. Ferrule (Optical Fiber), 8. FC, 9. Furcating Harness, 10. Insertion Loss, 11. LC Connector/Adapter, 12. Multimode Optical Fiber, 13. SFF, 14. SC Definition: The decrease in magnitude or the power loss of a signal that propagates between points, expressed in decibels (dB) as ...

Protools 101 Latest Update with Certified Solutions Absolute Polarity When the polarity of the wave remains the same through the signal chain AES/EBU Digital connection that uses XLR-type connectors. Stands for Audio Engineering Society/European Broadcast Union Alias tones The false tones produced by low sample rates Amplitude Intensity of the sound pressure variations. Creates our perception of the loudness of the sound. Measured in decibels (dB). The measurement of how far vib...

DoD Hearing Technician: Chapters 1-12 - Review Questions and Answers Which occupational sector accounts for the highest incidence of noise -induced hearing loss: a. Transportation b. Construction c. Mining d. Manufacturing d Noise exposures are considered likely to be harmful if shouting is required in order to communicate to a person _____feet away. a. 4 b. 3 c. 2 d. 5 b The primary role of CAOHC is: a. Advocate for comprehensive programs tha...

Manufacturing Correct Answer-Which occupational sector accounts for the highest incidence of noise-induced hearing loss? Tinnitus Correct Answer-A buzzing or ringing in the ears is known as Three Correct Answer-Noise exposures are considered likely to be harmful if shouting is required in order to communicate to a person __________ feet away Painless, Progressive, Permanent, Preventable Correct Answer-What are the four P's of Noise-Induced Hearing Loss 140 dBP Correct Answer-Impulse...

Attenuation Correct Answer-The Decrease in magnitude or power loss of a signal. Decibels, dB Correct Answer-Unit of measurement for attenuation. American Wire Gauge (AWG) Correct Answer-The numerical system for designating wire diameter. inverse relationship Correct Answer-American Wire Gauge numbers have this relationship to the wire size. Balanced Twisted-Pair Correct Answer-Type of wiring in which 2 conductors of a single circuit are twisted together in order to minimize EMI V=...

Which of the following options is the BEST option when trying to control undesirable medial lateral motions of the foot? a) grass b) wood c) concrete d) carpet - Answer- wood Which combination of symptoms requires immediate medical attention? a) cold, clammy skin and low blood pressure b) headache and general weakness c) bright, red skin color and labored breathing d) profuse sweating and a weak rapid pulse - Answer- bright, red skin color and labored breathing Cold environment...

CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025 (GRADED) 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 ...

When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: A) surface wave. B) longitudinal wave. C) transverse wave. D) non-linear sound. - CORRECT ANSWER B) longitudinal wave If the sound beam attenuated 6 dB, what will happen to the overall intensity? A) Quadrupled B) Doubled C) Halved D) Quartered - CORRECT ANSWER D) Quartered Frequency increased from 3 MHz to 6 MHz, what will happen to ...