Lumber cut from trees is made of the ____ of the stems
a. bud scale scars c. phloem
b. nodes d. xylem
D
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What will be an ideal response?
(a) Compute the reactions in Figure P9.42. For all members, E = 4000 ksi and I = 1000 in. 4 . Spring CD has a stiffness of 5 kips/in. (b) Compute the vertical deflection of joint B. (c) Recompute the reaction at C if joint A settles by 0.5 in.
A 30 X 50 house has two-zone heating. The first floor is set to maintain 72 degrees, while the upstais is set to 75 degrees. The ceiling between the two floors is made of 1/2" plaster board with no insulation. What is the BTUH loss through the ceiling?
Fill in the blank(s) with the appropriate word(s).
Carry the answer to two decimal places. An electrician receives $787.50 for a 35-hour week. What is his rate of pay per hour?
Fill in the blank(s) with the appropriate word(s).