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Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show It is a coupling device of one or two axles and a fifth wheel by which a semitrailer can be coupled to the rear of a tractortrailer combination forming a double bottom rig  
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show Yes  
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What three methods can you use to secure a second trailer before couple?   show
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show must be slightly lower than the center of the fifth wheel, so trailer is raised slightly when dolly is pushed under  
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What do you check when making a visual check of coupling?   show
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show The dolly tow bar may fly up, possibly causing injury, and making it very difficult to re-couple.  
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What should you check for when inspecting the converter dolly? The pintle hook?   show
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show Closed; open; open  
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How can you test that air flows to all trailers?   show
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show There’s a yellow indicator on the left side  
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show Some liquid tanks are divided into several smaller tanks by bulkheads Baffled liquid tanks have bulkheads in them with holes that let the liquid flow through  
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Should a tank vehicle take curves, on ramps, or off ramps at the posted speed limits?   show
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How are smooth bore tankers different to drive than those with baffles?   show
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What three things determine how much liquid you can load   show
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What is outage   show
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What two reasons make special care necessary when driving tank vehicles?   show
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How can you control a surge   show
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Created by: Joannablanna615