ENGM 445 Mid Term Study Set
(Chapter 2)
1. When a part has uniform thickness (spacial complexity Two
dimensional.
= 0) it is said to be .
2. With increasing spacial complexity, additional geomet- Greater
information con-
ric parameters are needed to define the shape, and the tent.
shape is said to have .
3. What is group technology? It is a tool used to
en- sure cost
ettective man-
ufacturing by
recogniz- ing parts
with similar design
features, manu-
facturing processes,
and process
sequences.
4. Demensions: Linear or angular sizes
of
a component specified
on the part drawing.
5. Tolerances: Allowable variations from
the specified
dimensions permitted
in manufactur- ing.
6. Bilateral tolerance: Variation is permitted
in both positive and
negative directions
, ENGM 445 Mid Term Study Set
(Chapter 2)
from the nomi- nal
dimension.
7. Unilateral tolerance: Variation from the
speci- fied dimension
is permit- ted in only
one direction.
, ENGM 445 Mid Term Study Set
(Chapter 2)
It can be either positive or
negative but not both.
8. Limit dimensions: Permissible variation in
a part feature size
consists of the
maximum and mini-
mum dimensions
allowed. (What you
saw the most at the
machine shop)
9. Nominal surface: Designer's intended
sur-
face contour of part, de-
fined by lines in the
engi- neering drawing.
10. Which one of the following best describes a toler- Total permissible
variation
ance: (a) clearance between a shaft and a mating hole, from a
specified dimen-
(b) measurement error, (c) total permissible value
variation from a specified dimension, or (d) agrees with
variation in manu- facturing? the true
value of
11. When a tolerance is specified in both the the
positive and negative directions from the quantity of
nominal dimension, it is called: (a) bidirectional interest:
tolerance, (b) bifurcated toler- ance, (c) (a)True or
bilateral tolerance, (d) limit tolerance, or (e) (b) false?
symmetrical tolerance?
12. Accuracy is the degree to which the measured
(Chapter 2)
1. When a part has uniform thickness (spacial complexity Two
dimensional.
= 0) it is said to be .
2. With increasing spacial complexity, additional geomet- Greater
information con-
ric parameters are needed to define the shape, and the tent.
shape is said to have .
3. What is group technology? It is a tool used to
en- sure cost
ettective man-
ufacturing by
recogniz- ing parts
with similar design
features, manu-
facturing processes,
and process
sequences.
4. Demensions: Linear or angular sizes
of
a component specified
on the part drawing.
5. Tolerances: Allowable variations from
the specified
dimensions permitted
in manufactur- ing.
6. Bilateral tolerance: Variation is permitted
in both positive and
negative directions
, ENGM 445 Mid Term Study Set
(Chapter 2)
from the nomi- nal
dimension.
7. Unilateral tolerance: Variation from the
speci- fied dimension
is permit- ted in only
one direction.
, ENGM 445 Mid Term Study Set
(Chapter 2)
It can be either positive or
negative but not both.
8. Limit dimensions: Permissible variation in
a part feature size
consists of the
maximum and mini-
mum dimensions
allowed. (What you
saw the most at the
machine shop)
9. Nominal surface: Designer's intended
sur-
face contour of part, de-
fined by lines in the
engi- neering drawing.
10. Which one of the following best describes a toler- Total permissible
variation
ance: (a) clearance between a shaft and a mating hole, from a
specified dimen-
(b) measurement error, (c) total permissible value
variation from a specified dimension, or (d) agrees with
variation in manu- facturing? the true
value of
11. When a tolerance is specified in both the the
positive and negative directions from the quantity of
nominal dimension, it is called: (a) bidirectional interest:
tolerance, (b) bifurcated toler- ance, (c) (a)True or
bilateral tolerance, (d) limit tolerance, or (e) (b) false?
symmetrical tolerance?
12. Accuracy is the degree to which the measured
