Geometric Dimensioning and Tolerancing: Test

Topics: Perpendicular, Elementary geometry, Parallel Pages: 4 (740 words) Published: April 4, 2013
ETG3031 – GD&T Winter 2013

Test #2 (Chapter 5 to 7)

1. In this drawing, which datum is secondary?
a. A
b. B
c. C
d. None of the above
2. Based on the drawing, datum B is __________ datum feature. a. A planar
b. A centerplane
c. An axis
d. An invalid
3. On the drawing, datum feature A consists of ________ surface(s). a. 0
b. 1
c. 2
d. None of the above
4. Basic dimensions are used to describe datum target locations to reduce gage variation. T or F 5. A datum target should not be used when the part may rock or wobble when the datum feature contacts the datum plane. T or F 6. A datum target area may be simulated in the gage by using a __________ gage pin. a. pointed

b. concaved
c. flat-tipped
d. spherical-tipped
7. When a planar feature of size is referenced as a datum feature reference, it results in a _________ as the datum. a. Feature of size
b. centerplane
c. virtual condition
d. feature
8. Based on the drawing, datum C is __________ datum feature. a. An axis
b. A planar
c. A centerplane
d. An invalid
9. When a feature of size is used as a datum feature, the resulting datum is _________. a. A plane or point
b. An axis or centerplane
c. A line or point
d. planar
10. When a feature of size datum feature is referenced at MMC, the part may be loose (shift) in the gage. T or F 11. The datum feature simulator for datum A is fixed in size. T or F [pic]

12. In this example, the datum feature simulator for datum B is. . . a. Not needed
b. an adjustable pin
c. a 10.0 diameter pin
d. the virtual condition of diameter B

13. The parallelism error allowed between...
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