Attenuation - Study guides, Class notes & Summaries

FOA CFOT Certification Exam v11 Questions and Answers (100% Correct). A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light coming out of a fiber into your eye. True or False? - ANSWER-True A fiber optic power meter measures absolute power in dBM (dB referenced to 1 mw) and, when used with a light source, can measure insertion loss expressed in dB. True or False? - ANSWER-True When we say 62.5/125 fiber, what does "62.5" mean? -...

IRRSP Practice Test graded A+ TO PASS The activity of a radioactive source - correct answer The term "Curie" defines: a. The exposure of a radioactive source b. The intensity of a radioactive source c. The activity of a radioactive source d. The output of a radioactive source Reddening of the skin, loss of hair, blistering - correct answer Which of the following are symptoms of an acute extremity overexposure? a. Nausea, vomiting, diarrhea b. Fatigue, nausea, reddening of the skin c...

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...

BICSI Installer 2 Latest Update Graded A+ 1. **KEY TERMS** **Identify the 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 reduction in signal magnitude or power loss as it travels between two points, typically measured in decibels (dB) representing the ratio o...

What is one of the differences between tree-and-branch and hybrid fiber/coax (HFC) DESIGNS? - Bandwidth in the downstream path. In the tree-and-branch design, the cable signal in the downstream path leaves the trunk at the bridge amplifier. There, It makes a transition to the feeder's domain, and the signal splits. What is the maximum number of output ports the split signal can be routed to? - Four. Which of the following statements accurately describes the relationship between coaxial cab...

CPSI Exam Solved 100% Correctly| Updated F1487-17 Standard for Consumer Safety Performance Specification for Playground Equipment for Public Use F1292-17 Impact Attenuation of Surfacing Materials Within the Use Zone of Playground Equipment F2223-15 Guide for ASTM Standards on Playground Surfacing F1951 Test Method for Accessibility on Safety Surfacing F2075 Engineered Wood Fiber Safety Surfacing F2479 Poured In-Place Rubber Surfacing F3012 Loose-Fill Rubber Surfacing G-MAX Maxim...

CT Registry Review (MIC) Questions and Answers Rated 100% In order for an x-ray photon to be measured it must: 1. enter the detector chamber 2. be absorbed by the detector material 3. be converted to a measurable event *ANS* 1,2,3 Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter Which of the following is NOT a function of a PACS system? a. reconstruction of the image from the raw d...

NUCLEAR MEDICINE EXAM 2024 WITH 100% ACCURATE ANSWERS Static bone imaging is routinely performed how long after tracer administration to an adult: A)30min B)1hr C)2-3hr D)24hr - correct answer C)2-3hr. Static bone imaging performed with a labeled diphosphonate compound is routinely performed 2-3hr after tracer administration. Which of the following structures normally appear as areas of increased activity on the bone images of adults: A)anterior iliac crests B)glenoid fossa C)sternoclav...

Attenuation: a. is radiation that emerges from the patient b. describes changes in the x-ray beam as it travels through the patient c. produces only scatter radiation d. occurs only at doses used in radiation therapy correct answers Describes changes in the x-ray beam as it travels through the patient Which photon-tissue interaction makes radiography possible because of its creation of image contrast? a. Compton b. Coherent c. Photoelectric d. Pair production correct answers Photo...

Adjusted R-Squared Correct Answer-A goodness-of-fit measure in multiple regression analysis that penalises additional explanatory variables by using a degrees of freedom adjustment in estimating the error variance. Alternative Hypothesis Correct Answer-The hypothesis against which the null hypothesis is tested. AR(l) Serial Correlation Correct Answer-The errors in a time series regression model follow an AR(l) model. Attenuation Bias Correct Answer-Bias in an estimator that is always to...