A common practice in residential construction is the use of double ____ headers at all door and window openings, often with 2´4s nailed to the top and bottom with a space in the middle.

A. 2´4
B. 2´6
C. 2´8
D. 2´10


Answer: D

Trades & Technology

You might also like to view...

Refer to Exercise 23. Assume that the probabilities that each of the three scenarios occurs are P(A)=0.20, P(B)=0.30, and P(C)=0.50.

a. Find the probability that scenario A occurs and that the loss is 5%. b. Find the probability that the loss is 5%. c. Find the probability that scenario A occurs given that the loss is 5%.

Trades & Technology

In the bird's eye view, the ____________________ surfaces are hidden from view.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

?When multiple-disc packs lock two members of a planetary gearset together, it is a _______________device.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

? Identify and state the historical significance of Clarence Darrow.

What will be an ideal response?

Trades & Technology