Files do not make good pry bars because they are:
A) Too tough B) The wrong shape C) Too brittle D) Not long enough
Question 2
If a machined part has an irregular, torn surface with many micro cracks due to poor practice, what can happen to the service life of this part?
A) It could cause corrosion B) The part could fail early due to metal fatigue
C) It may extended D) There would be no appreciable effect