In cold climates, the topmost portion of a vent terminal should be enlarged to prevent _____.
a. back pressure
b. frost buildup
c. sewer-gas blowback
d. contraction cracking
b. frost buildup
Trades & Technology
You might also like to view...
A slot is milled the full length of a steel plate that is 4 1/2 feet long. This operation takes a total of 2 1/4 minutes. How many feet of steel are cut in one minute?
A. 1 15/16 B. 2 C. 2 7/19 D. 3
Trades & Technology
?A CADD soft copy is the physical drawing produced on paper or some other medium by a printer or plotter.
Answer the following statement true (T) or false (F)
Trades & Technology
The nutrition requirements of bison are not similar to those of beef cattle
Indicate whether the statement is true or false.
Trades & Technology
Nut crops account for a large segment of the edible horticultural crops
Indicate whether the statement is true or false
Trades & Technology