underlayment commonly used in steep roofs is _________.
A) No. 1 asphalt-treated fiberglass felt.
B) No. 30 asphalt-treated organic felt.
C) No. 15 asphalt-treated organic felt.
D) A and B.
E) B and C.
E) B and C.
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Which type of insulation is made of fibrous materials in various widths and in rolls of standard length?
a. formed fibrous b. blanket c. foam d. corrugated
The difference between the evaporator temperature and the suction line temperature at the coil outlet is called:
a. superheat b. latent heat c. artificial heat d. extended heat
Communication controllers in microcontrollers ________
A) require a separate external clock source to operate B) allow microcontrollers to communicate with other devices using specific communication protocols C) support only UART communication D) require little configuration to operate
Increased cotton production helped cause the slave population of the South to __________
A) decrease B) increase C) stabilize D) become difficult to count due to increased comingling between free blacks and whites