The purpose of a cross-break on a sheet metal duct is to _____.
a. provide a means for connecting duct sections
b. reduce duct noise
c. make the duct more rigid
d. provide an attachment point for insulation
c. make the duct more rigid
You might also like to view...
At the end of the first week of incubation, most of the chick's systems, like the lungs and nervous system, are developed
Indicate whether the statement is true or false
Soluble organic N compounds are taken up by plants and are lost in leaching and runoff waters
Indicate whether the statement is true or false
The output instruction ____________________ (sets, resets) the memory bit to a 0 when the rung condition goes ____________________ (true, false).
Fill in the blank(s) with the appropriate word(s).
Which type of switch controls multiple circuits?
A. Conventional B. Actuator C. Single pole D. Ganged