MAE 272 - Exam Review UPDATED
ACTUAL Exam Questions and CORRECT
Answers
A rectangular keyway in a round shaft can be machined by: - CORRECT ANSWER -
edge-milling with a standard cutter
When you measure the dimensions or form accuracy of a metal part: - CORRECT
ANSWER - a recently calibrated CMM must be used for all cases
Which are non-traditional separation processes? - CORRECT ANSWER - plasma and
water-jet cutting
Which are non-traditional joining processes? - CORRECT ANSWER - laser and EB
welding
Why are steels more difficult to cast than cast irons? - CORRECT ANSWER - It has a
higher melting point and greater shrinkage rate
ASTM grain sizes between 6 and 8 are: - CORRECT ANSWER - good enough for making
engine hood and truck lids for commercial cars
The most common process to make an engine block for a hybrid car is: - CORRECT
ANSWER - casting of high temperature polymers
The threaded base of a light bulb can be produced cost-effectively by: - CORRECT
ANSWER - forming by spinning
Ball bearing balls can be produced cost-effectively by: - CORRECT ANSWER - cross
rolling
ACTUAL Exam Questions and CORRECT
Answers
A rectangular keyway in a round shaft can be machined by: - CORRECT ANSWER -
edge-milling with a standard cutter
When you measure the dimensions or form accuracy of a metal part: - CORRECT
ANSWER - a recently calibrated CMM must be used for all cases
Which are non-traditional separation processes? - CORRECT ANSWER - plasma and
water-jet cutting
Which are non-traditional joining processes? - CORRECT ANSWER - laser and EB
welding
Why are steels more difficult to cast than cast irons? - CORRECT ANSWER - It has a
higher melting point and greater shrinkage rate
ASTM grain sizes between 6 and 8 are: - CORRECT ANSWER - good enough for making
engine hood and truck lids for commercial cars
The most common process to make an engine block for a hybrid car is: - CORRECT
ANSWER - casting of high temperature polymers
The threaded base of a light bulb can be produced cost-effectively by: - CORRECT
ANSWER - forming by spinning
Ball bearing balls can be produced cost-effectively by: - CORRECT ANSWER - cross
rolling
