The roll is _________ and the laser beam is moved ________ along the r – McqOptions

MCQOPTIONS

1.	The roll is _________ and the laser beam is moved ________ along the roll.
A.	Stationary, axially
B.	Stationary, perpendicularly
C.	Rotated, axially
D.	Rotated, perpendicularly
Answer» D. Rotated, perpendicularly

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