Magnetization Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Magnetization? On this page you'll find 122 study documents about Magnetization.
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ARMRIT-Practice Test (part 1: Mri Physics and Ins.) with Complete Solutions
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ARMRIT-Practice Test (part 1: Mri Physics and Ins.) with Complete Solutions 
 
 
ARMRIT-Practice Test (part 1: Mri Physics and Ins.) with Complete Solutions 
 
 
ARMRIT-Practice Test (part 1: Mri Physics and Ins.) with Complete Solutions 
 
The T1 process is also known as: - ANSWERSpin Lattice 
 
Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - ANSWERGradient coils 
 
The component Mxy is most associated with: - ANSWERTransver...
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ILTS Content Test Elementary Ed(305)-Part 3/6 Practice Questions and Answers
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ILTS Content Test Elementary Ed(305)-Part 3/6 
Practice Questions and Answers 
4 basic laws of thermodynamics - Correct Answer ️️ -zeroth law: states that 2 objects 
in thermodynamic equilibrium with a 3rd object are also in equilibrium with each other 
1st law: states that neither mass nor energy can be destroyed; only converted from 1 
form to another(conservation of energy) 
2nd law: states that the entropy of an isolated system can only increase; heat is not 
transferred from low temp sy...
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ARMRIT PHYSICS PRACTICE TEST 100% correct!
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ARMRIT PHYSICS PRACTICE TEST 100% correct! 
 
The tissue characteristic that depends heavily on the relative content of fat molecules and free water is: - ANSWER Hydrogen concentration. 
 
T1 is the measurement of time for the longitudinal component of the net magnetization vector to recover what percentage of its original value after the application of a 90 degree radio-frequency pulse? - ANSWER 63% 
 
Immediately after an initial 90 degree radio-frequency pulse is turned off, the hydrogen prot...
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ARMRIT Test 3 Questions With Correct Answers
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Different tissues that have signals that appear similar on an MR image are described as: - Answer isointense 
 
In a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top. this motion is called: - Answer precession 
 
magnetic resonance imaging is derived from the process known as: - Answer nuclear magnetic resonance 
 
Once the nmv has moved away from equilibrium, the following will occur - Answer the transver...
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ARMRIT Practice test| 30 Questions| Correct 100%
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Magnetism can be defined as the ability of certain substances to attract: - ANSWER Iron, Cobalt, Nickel 
 
The components of the Gyro-magnetic ratio are: - ANSWER Magnetic moment to angular momentum 
 
Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - ANSWER Gradient coils 
 
Which type of MRI magnet requires cryogen to cool magnetic coils to 4 degrees Kelvin? - ANSWER Superconductive 
 
T2 is the measurement of time for the tr...
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MRI PHYSICS- Armrit Test Questions and Answers with complete
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al - Answer-Current induced iby receiver coil. Also comes from the procession of protons in the 
patient. 
Chemical pre saturation - Answer-Selectively apply 90 degree pulse at frequency of tissue to be 
saturated. Moves fat or HBO 90 degrees. 2nd puse wider bandwidth moves both fat and water 90 
degrees. One will be saturated so will not be read. Saturating out normal anatomy, pathology is often 
seen more clearly. 
NEX number of excitations - Answer-is the number of times each line is filled w...
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CWB 1 questions with 100% correct answers graded A+
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CWB 1 
1. Which is not a recommended method for surface cleaning of a part for liquid penetrant examination? 
a) Cleaning with organic solvents. 
b) Blasting with shot or dull sand. 
c) Cleaning with de-greasers. 
d) Use of de-scaling solutions. 
e) Ultrasonic cleaning methods. - correct answer b) Blasting with shot or dull sand. 
 
2. Which of the following weld defects is most likely to be missed by radiography in a weld: 
a) Undercutting. 
b) Porosity. 
c) Slag inclusions. 
d) Cracking. 
e) B...
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MRI-ARRT study guide Questions with 100% Correct Answers | Updated & Verified | 2024
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The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - 
Ra...
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ENTC 402 Magnetic Exam Questions With Correct Answers
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Magnetic particle is a nondestructive testing method used for - Answer locating surface and near surface discontinuities in steel 
 
Ferromagnetic material is - Answer strongly attracted by a magnet 
 
The permeability of a material describes: - Answer the ease with which it can be magnetized 
 
The retentivity of a material describes - Answer the ability to retain the magnetic field 
 
Magnetic particles are available in different colors - Answer for color contrast with the part surface thereby...
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CWB 1 Exam (2024/2025) (Verified Answers).
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CWB 1 Exam (2024/2025) (Verified Answers). 
1. Which is not a recommended method for surface cleaning of a part for liquid 
penetrant examination? 
a) Cleaning with organic solvents. 
b) Blasting with shot or dull sand. 
c) Cleaning with de-greasers. 
d) Use of de-scaling solutions. 
e) Ultrasonic cleaning methods. - Correct answer-b) Blasting with shot or dull sand. 
2. Which of the following weld defects is most likely to be missed by radiography in a 
weld: 
a) Undercutting. 
b) Porosity. 
c)...
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