What is the purpose of the trap in a condensate drain?
What will be an ideal response?
The trap in the condensate line offsets the negative pressure on the drain that can prevent the water from draining.
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To which of the following assemblies is a kingpin either welded or bolted?
A. upper coupler B. lower coupler C. fifth wheel D. drawbar eye
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The distinction between a tunnel and a culvert is _____
a. shape b. length c. the size of the passage d. the construction method
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Three common dynamic routing protocols are ________, ________, ________
A) RIP, OSPF, IP B) OSPF, BGP, RIP C) BGP, ARP, UDP D) All of the above
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The OTA has a ________ input impedance and a ________ CMRR
A) low, high B) low, low C) high, low D) high, high
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