QUESTION4 A shortened 2x4 on either side of a door or window that connects to a

Question

QUESTION4 A shortened 2x4 on either side of a door or window that connects to a header, called a jack-leg serves what purpose? O a Allows window installer to dry fit door or window based on height O b provides transfer of load from header down to sill O convenient use of scrap lumber ?d. protects metal frame of window or door from conducting electrical current to other framing members QUESTION S All commercial buildings are required to have a cilwater separator or packaged sewer treatment plant on site prior to transmiting to the public waste stream O True O False QUESTION6 Return air inlets are usually placed near supply outlets and on a1 to ratio and similar in sic O True O False 6

Explanation / Answer

4) d

Because jackleg cabin is for such as work where electric or other electricity instrument running operation is done so safety of door and window jack leg serves no electricity run in the window.its just for safety

5) TRUE

Because commercial activity is producing waste that is worst conditions than domestic or sanitary waste if we not treat so that this waste is harmful for natural resources so before disposal it's treated to certain limit so its not more harmful for nature.

6)-True

Return air inlet is open when negative pressure is generated so valve is open and air is enter in it so that's the pressure is equalize. I can't say because size may be different 1:1 similar to pipe or less than that.

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