EDDY CURRENT TESTING
Quiz by maclin
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10 questions
Show answers
- Q1Currents that flow in circles inside a disc are known asEddy currentsCircular currentsAlternating currentsAir currents10s
- Q2The discovery of electromagnetic induction is credited toOersted.Maxwell.Arago.Faraday10s
- Q3Differential coils are usually used in:OD coilsany of the above.bobbin coils.probe coils.10s
- Q4The unit of inductance is theohmmaxwellfaradhenry10s
- Q5A coil's resistance is determined by:wire cross-sectional areaall of the above.wire materialwire length.10s
- Q6IR thermography is useful in medical fieldFalseTrue10s
- Q7Fluorescent magnetic particle indications should be inspected underAny lightRed lightBlack lightFluorescent light10s
- Q8A discontinuity which is produced during solidification of the molten metal is called:ServiceNone of the aboveInherentProcessing10s
- Q9Magnetic particle test indications which are due to cold work can best be removed by:Using a lower currentRe-heat treatingDemagnetisationUsing penetrant testing10s
- Q10Which of the following can be magnetisedAll of the aboveCobaltNickelIron10s