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Test Bank –Fauber’s Radiographic Imaging And Exposure 5th Edition Author:Terri L. Fauber With Verified Questions & Answers All Chapters{1-10} 100% Complete A+ Grade Latest Edition

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Test Bank –Fauber’s Radiographic Imaging And Exposure 5th Edition Author:Terri L. Fauber With Verified Questions & Answers All Chapters{1-10} 100% Complete A+ Grade Latest EditionTest Bank –Fauber’s Radiographic Imaging And Exposure 5th Edition Author:Terri L. Fauber With Verified Questions & Answers All Chapters{1-10} 100% Complete A+ Grade Latest EditionTest Bank –Fauber’s Radiographic Imaging And Exposure 5th Edition Author:Terri L. Fauber With Verified Questions & Answers All Chapters{1-10} 100% Complete A+ Grade Latest EditionTest Bank –Fauber’s Radiographic Imaging And Exposure 5th Edition Author:Terri L. Fauber With Verified Questions & Answers All Chapters{1-10} 100% Complete A+ Grade Latest EditionTest Bank –Fauber’s Radiographic Imaging And Exposure 5th Edition Author:Terri L. Fauber With Verified Questions & Answers All Chapters{1-10} 100% Complete A+ Grade Latest Edition

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Fauber’s Radiographic Imaging And Exposure

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Subido en
20 de febrero de 2025
Número de páginas
16
Escrito en
2024/2025
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Radiographic Imaging and Exposure 5th Edition Fauber Test Bank IO IO IO IO IO IO IO IO




Chapter 02: The X-ray Beam
IO IO IO IO




Fauber: Radiographic Imaging and Exposure, 5th Edition
IO IO IO IO IO IO




MULTIPLE CHOICE IO




1. The is the portion of the x-ray tube that contains the filament.
IO IO IO IO IO IO IO IO IO IO




a. cathode
b. anode
c. rotor
d. rotating disk IO




ANS: A I O




The filament, the source of electrons during x-ray production, is located in the cathode.
IO IO IO IO IO IO IO IO IO IO IO IO IO




REF: p.16 IO




2. The cathode filament is made of:
IO IO IO IO IO




a. tungsten.
b. rhenium.
c. molybdenum.
d. lead.
e. nickel.
ANS: A IO




The cathode filament is made of tungsten.
IO IO IO IO IO IO




REF: p.16 IO




3. The focusing cup: IO IO




a. surrounds the anode. IO IO




b. has a positive charge. IO IO IO




c. has a negative charge. IO IO IO




d. focuses the x-ray beam. IO IO IO




ANS: C IO




The focusing cup, surrounding the filament on three sides, has a negative charge, keeping the negat
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




ively charged electrons focused.
IO IO IO




REF: p.16 IO




4. In a dual-focus tube, how many filaments are energized at any one time during x-
IO IO IO IO IO IO IO IO IO IO IO IO IO IO




ray production?
IO




a. One
b. Two
c. Four
d. An infinite number IO IO




ANS: A IO




Only one filament is energized at any one time during x-ray production.
IO IO IO IO IO IO IO IO IO IO IO




REF: p.16 IO

, Radiographic Imaging and Exposure 5th Edition Fauber Test Bank IO IO IO IO IO IO IO IO




5. The focusing cup is made of:
IO IO IO IO IO




a. tungsten.
b. rhenium.
c. molybdenum.
d. lead.
e. nickel.

ANS: E IO




The focusing cup is made of nickel.
IO IO IO IO IO IO




REF: p.16IO




6. is the phenomenon that occurs around the filament during thermionic emission and pr
IO IO IO IO IO IO IO IO IO IO IO IO




events the further escape of electrons from the filament.
IO IO IO IO IO IO IO IO




a. Saturation current IO




b. Space charge effect IO IO




c. mA rectification IO




d. Line focus principle IO IO




ANS: B IO




The space charge effect limits the number of electrons in the space charge by preventing additional
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




electrons from being boiled off the filament.
IO IO IO IO IO IO




REF: p.24IO




7. The positive side of the x-ray tube is the:
IO IO IO IO IO IO IO IO




a. anode.
b. cathode.
c. window.
d. stream of electrons. IO IO




ANS: A I O




The anode is the positive side of the x-ray tube, and the cathode is the negative.
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




REF: p.17IO




8. The maximum speed the rotating anode will typically achieve is
IO IO IO IO IO IO IO IO IO rpm.
a. 3200
b. 5000
c. 10,000
d. 20,000
ANS: C IO




Rotating anodes rotate at a set speed ranging from 3000 to 10,000 revolutions per minute (rpm).
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




REF: p.17IO




9. What is the base material of the anode disk?
IO IO IO IO IO IO IO IO




a. Molybdenum
b. Tungsten

, Radiographic Imaging and Exposure 5th Edition Fauber Test Bank IO IO IO IO IO IO IO IO




c. Rhenium
d. Graphite
e. A and B IO IO




f. A and D IO IO




ANS: F IO




The base of the rotating anode disk is made of molybdenum with a graphite layer.
IO IO IO IO IO IO IO IO IO IO IO IO IO IO




REF: p.17 IO




10. What is the name of the fixed physical area on the anode target that is struck by the electron stre
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




am?
a. Focal spot IO




b. Focal point IO




c. Focal range IO




d. Any of the above IO IO IO




ANS: A IO




The focal spot is the fixed physical area on the focal track of the anode target where electrons strike.
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




REF: p.18 IO




11. What is the name of the device in a rotating anode x-ray tube that turns the rotor?
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




a. Stator
b. Rotor
c. Focusing cup IO




d. Rheostat
ANS: A IO




Located outside the envelope of the x-ray tube, the stator is an electric motor that turns the rotor.
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




REF: p.18 IO




12. Effective compensation for the anode heel effect would involve positioning:
IO IO IO IO IO IO IO IO IO




a. the thinnest portion of the part under the anode.
IO IO IO IO IO IO IO IO




b. the thickest portion of the part under the anode.
IO IO IO IO IO IO IO IO




c. the thinnest portion of the part under the cathode.
IO IO IO IO IO IO IO IO




d. B and C. IO IO




ANS: A IO




The thinnest portion of a part should be placed under the anode, because the more intense x-
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




rays are emitted toward the cathode end of the tube, where the thickest part should be placed
IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO




.

REF: p.34 IO




13. What is an acceptable level of leakage from the tube housing?
IO IO IO IO IO IO IO IO IO IO




a. 100 mR per hour, measured 6 feet away
IO IO IO IO IO IO IO




b. 10 mR per hour, measured 1 foot away
IO IO IO IO IO IO IO




c. 1000 R per hour, measured at a distance of 4 meters
IO IO IO IO IO IO IO IO IO IO
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