Decibel - Study guides, Class notes & Summaries

BICSI Installer1 CALT Exam Prep Exam | Questions and Answers Graded A+ Latest 2024/2025 ____ is the movement of information by electromagnetic energy in the form of electrical or optical signals from one point to another through a transport medium. Transmission A ____ equals a frequency of one million cycles in one second Megahertz The decibal is a(n) ____ function. Logarithmic The _____ is the basic unit of measure for electrical resistance. ohm When the termination (load) ____...

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...

NAB Study Guide 2023/2024 Already Reviewed What is the decibel range for a hearing aide compatible telephone? - Correct Answer-12-18 What are the main symptoms of Tardives Dyskinesia? - Correct Answer-Lip Smacking and Uncontrolled facial gestures What do the initials COPD stand for? - Correct Answer-Chronic Obstructive Pulmonary Disease What is CHF? - Correct Answer-congestive heart failure What is blockage of the arteries called? - Correct Answer-arteriosclerosis What is hardening of th...

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...

Certified Fiber Optics Final Exam Questions and Answers 100% VerifiedCertified Fiber Optics Final Exam Questions and Answers 100% VerifiedCertified Fiber Optics Final Exam Questions and Answers 100% VerifiedCertified Fiber Optics Final Exam Questions and Answers 100% Verified the applications of optical fiber communications have increased at a rapid rate, since the first commercial instillation of a fiber optic system in the - ANSWER - 1970's The loss of a signal strength is called - ANSWER...

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. ...

The direction of the Doppler shift determines: A. the peak velocity of the flow B. the color Doppler hue C. the average velocity of the flow D. the color Doppler luminance -answer- B. the color Doppler hue Color Hue - perceived color used to demonstrate direction (red and blue or positive and negative shift) What is the primary factor that determines the resistance characteristics of the arterial signal displayed by PW Doppler? A. vessel course and location B. branch number C. part it...

DOEHRS-HC TRAINING QUESTIONS AND ANSWERS 100% PASS Which Occupational sector accounts for the highest incidence of noise-induced hearing loss? a. Transportation b. Construction c. Mining d. Manufacturing d. Manufacturing 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. 3 feet The primary role of CAOHC is? Advocate for comprehensive programs that promote best practices ...

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...

Spectrum Field Technician 1 Test Question with Correct Answers 2023/2024 Decibel (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 e...