What is the function of a quick-release gladhand when used?

A. easier to couple and uncouple than a polarized gladhand
B. speeds service brake release timing
C. speeds hold-off air dump at park
D. pressure protects the hold-off circuit


Answer: B

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Indicate whether a box or a trombone coil should be used for steam heating __________________ and hot water heating ___________________

Fill in the blank(s) with correct word

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A bandpass filter is designed to

A) pass all frequencies below its cutoff frequency B) pass all frequencies above its cutoff frequency C) reject the band of frequencies between its cutoff frequencies D) pass the band of frequencies between two cutoff frequencies

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Pre- and post-consumer recycled content accounts for a small percentage of the materials used to manufacture most roofing products.

Answer the following statement true (T) or false (F)

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Lead paint is common in homes built prior to ____.

A. 1949 B. 1958 C. 1965 D. 1978

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