Which of the following is true about engineering specification limits?

a. They are associated with the “±” given on blueprints.

b. They can fail to reflect actual performance in that nonconforming ≠

defective.

c. They are always written in dimensionless units.

d. Answers in parts “a” and “b” are both correct.

e. Answers in parts “a” and “c” are both correct.