SMPT CORRESPONDENCE COURSE
APPROVED SOLUTION
PT1300, DEFENSE BASIC PRESERVATION AND PACKING
(64 Credit Hours)
All concerned will be careful that neither this solution nor information concerning the same comes into possession of
student or prospective students who have not completed the work to which it pertains.
UNGRADED PRACTICAL EXERCISE NO. 8
LESSON 2.4
(1) ANSWER: 4 groups.
REF: TC 38-3, pg 3-39.
(2) ANSWER: Southern yellow pine, Douglas fir, hemlock, (N C pine, larch) the harder softwoods.
REF: TC 38-3, pg 3-39.
(3) ANSWER: True hardwoods Group IV.
REF: TC 38-3, pg 3-39.
(4) ANSWER: a.
Strength as a beam.
b.
Resistance to splitting.
c.
Shock resistance capacity.
d.
Nail holding ability.
REF: TC 38-3, pg 3-39.
(5) ANSWER: a.
Wane.
b.
Knothole.
c.
Oversize knots.
d.
Excessive moisture.
REF: TC 38-3, pg 3-40.
(6) ANSWER: Tree bark left on lumber.
REF: TC 38-3, pg 3-40.
(7) ANSWER: Nails.
REF: TC 38-3, pg 3-40.
(8) ANSWER: a. Side grain nailing.
b. Edge grain nailing.
c. End grain nailing.
REF: TC 38-3, pg 3-42.
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