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IMSE 250 Exam 2 Practice Questions and Answers
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IMSE 250 Exam 2 Practice Questions and Answers
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IMSE 250 Exam 2 Practice Questionsand Answers
(blank) occurs on the tool face that interacts with the newly-generated surface of
workpiece.
A. Flank wear
B. Crater wear - ANSWER-A
(picture of accurate square blind holes machined on ceramic substrates) which one of
the following non-traditional machining processes is your go-to solution to accomplish
such work?
A. Electrical discharge machining
B. (Sinker) ultrasonic machining
C. Rotary ultrasonic machining - ANSWER-B
Abrasive machining is a mixture of (blank)
A. cutting, plowing, shaping
B. plowing, rubbing, scratching
C. cutting, rubbing, scratching
D. cutting, plowing, rubbing - ANSWER-D
Abrasive particle size and bond type affect the grinding wheel performance. Which one
of the following is NOT true?
A. Vitrified bond system is more rigid and more brittle than resin bond system
B. Metal bond is usually use in aluminum oxide grinding wheels
C. Grinding wheel labeled by a larger screen size number usually produces smoother
surfaces. - ANSWER-B
According to the definition given by ASTM, why CNC turning is not considered an
additive manufacturing process?
A. Not fabricating a 3D part directly from CAD model
B. Not a layer-by-layer additive fashion - ANSWER-B
After a certain time of service, grinding wheels need to be "tuned up" by truing and/or
dressing, which is the operation to remove lodged metal chips and release more sharp
abrasive particles?
A. Truing
B. Dressing - ANSWER-B
After the hole is drilled using a twist drill first, there can be some misalignment due to
the "walk" of the drill tip, can the boring operation on a lathe help to correct/reduce this
misalignment?
A. Yes
, B. No - ANSWER-A
Boring Bar issue...Can the problem be solved or improved by heat treatment of the
baring bar (so the steel will have higher yield strength)?
A. Yes
B. No - ANSWER-B
Casting, forging, and rolling are material processing methods mainly used at the stage
of (blank) manufacturing
A. primary
B. secondary - ANSWER-A
Electrical discharge machining has several benefits. Which one of the following is NOT
among these benefits?
A. Little cutting forces
B. No heat affected zone
C. Intricate details can be cut
D. Can produce multiple holes all at once - ANSWER-B
For a given uncut chip thickness and rake angle, a larger shear angle mean a (blank)
cutting force.
A. higher
B. lower
C. not directly related - ANSWER-B
For a standard twist drill, the cutting speed along the main cutting edges is (blank)
A. different at different points
B. the same at every point - ANSWER-A
Generally speaking, the (blank) the rake angle, the sharper the cutting edge will
become, and meanwhile the cutting tool will become less rigid.
A. larger
B. smaller
C. not directly related - ANSWER-A
If the initial diameter before machining is 35 mm and the final diameter after machining
is down to 31 mm, what is the depth of cut?
A. 1 mm
B. 2 mm
C. 4 mm - ANSWER-B
If you need to box some leftover dinner for lunch at school and want to reheat in a
microwave, a plastic container with which recycling code is the best to use?
A. 1 PET
B. 5 PP
C. 4 LDPE
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