Ferromagnetic material is Study guides, Class notes & Summaries

Magnetic particle is a nondestructive testing method used for - correct answer -locating surface and near surface discontinuities in steel Ferromagnetic material is - correct answer -strongly attracted by a magnet The permeability of a material describes: - correct answer -the ease with which it can be magnetized The retentivity of a material describes - correct answer -the ability to retain the magnetic field Magnetic particles are available in different colors - correct answer -for...

Static field metrics ~~> 1T = 10,000G (0.5mT = 5G) Who published guidelines titled "Criteria for Significant Risk" that specifies what qualifies as significant risk of exposure to magnetic field associated with MRI. ~~> FDA FDA guidelines state EXPOSURE to a static field that does not pose a significant risk is: ~~> Limited to 8T for adults and infants > 1 month Limited to 4T for infants < 1 month Forces related to static field ~~> -Torque/rotation -Translat...

RI magnets described as giant versions of horseshoe magnets used as toys are: - Answer Permanent Which type of MRI magnet is made up of naturally ferromagnetic material? - Answer Permanent MRI magnets that require a steady current of electricity passed through coils wrapped around an iron or air core are: - Answer Resistive

ENTC 402 Magnetic Question and answers rated A+ 2023/2024Magnetic particle is a nondestructive testing method used for - correct answer locating surface and near surface discontinuities in steel Ferromagnetic material is - correct answer strongly attracted by a magnet The permeability of a material describes: - correct answer the ease with which it can be magnetized The retentivity of a material describes - correct answer the ability to retain the magnetic field

MRSO - Static Field - Module 2Static field metrics - correct answer 1T = 10,000G (0.5mT = 5G) Who published guidelines titled "Criteria for Significant Risk" that specifies what qualifies as significant risk of exposure to magnetic field associated with MRI. - correct answer FDA FDA guidelines state EXPOSURE to a static field that does not pose a significant risk is: - correct answer Limited to 8T for adults and infants > 1 month Limited to 4T for infants < 1 month Forces re...

T/F: Current exists in an ideal capacitor only when its voltage is changing True T/F: In a series capacitor circuit, the largest value of capacitance will have the smallest amount of voltage dropped across it. True T/F: In a series capacitor circuit, the largest value of capacitance will have the largest share of total charge on its plates False T/F: Magnetic lines of force never cross one another True T/F: Current flowing through a conductor creates a magnetic fi...

The "triboelectric effect" causes what kind of electricity? Static The law of static electrical charges states: like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. Atoms A molecule is the smallest particle of matter that can exist by itself. (1) True (1) A basic atom must contain what two types of subatomic particles? Electron and proton An electron has _______________. a Nega...

Iron is an example of a _______________ material. CORRECT ANSWER Ferromagnetic For trauma radiography, a radiographer could best acquire images of a lateral distal femur by: CORRECT ANSWER acquiring a cross-table lateral femur with a lateromedial projection Total brightness gain for the image intensifier is calculated by: CORRECT ANSWER flux gain multiplied by minification gain. A person with acute radiation syndrome does not demonstrate signs of illness during the ________ period. COR...

Magnetic particle inspection can be performed on parts made from which materials - correct answer -Iron, Nickel, Cobalt When a magnetic field cuts across a crack: - correct answer -Magnetic poles form at the edges of the crack Magnetic particle inspections uses small ferromagnetic particles similar to: - correct answer -Iron Filings A volume of space where there is a change in magnetic energy is called: - correct answer -A magnetic field An object that has a magnetic pole on one end ...

Electronics ETA Certification Practice Exam Questions and Answers 100% Correct The "triboelectric effect" causes what kind of electricity? Static The law of static electrical charges states: like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. Atoms A molecule is the smallest particle of matter that can exist by itself. (1) True (1) A basic atom must contain what ...