The two basic types of inspection are inspection by variables and inspection by attributes. the second of these inspections uses which one of the following:
(a) destructive testing, (b) gaging, (c) measuring, or (d) non¬ destructive testing.

option B

Explanation:

the correct answer is option B

Inspection by attributes uses Gauging method.

variable method data is  continuous where as data of variables is discreet.

Attribute Gauging creates fatigue and unreliable result when used for the inspection of large quantities.

Attribute gauging is subjected to greater wear.

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