WHICH_TECHNIQUE_FROM_GIVEN_LASER_INSPECTION_TECHNIQUES_IS_USEFUL_FOR_M – McqOptions

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1.	WHICH_TECHNIQUE_FROM_GIVEN_LASER_INSPECTION_TECHNIQUES_IS_USEFUL_FOR_MEASURING_THE_DIAMETER_OF_HOT_STEEL_BARS??$
A.	Laser scanning gauge
B.	Frequency laser interferometer
C.	Laser triangulation sensors
D.	Photodiode array imaging
Answer» B. Frequency laser interferometer

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