🚛Arkansas Doubles/Triples — Question 4 of 10

Before you can supply air to the air tanks of a second trailer you need to:

Answer: A

Open the shut-off valves at the rear of the first trailer and close the shut-off valves at the rear of the second trailer.

First, open the shut-off valves at the rear of the first trailer. Second, close the shut-off valves at the rear of the second trailer.

Source: Arkansas CDL Manual

All choices

  • AOpen the shut-off valves at the rear of the first trailer and close the shut-off valves at the rear of the second trailer.
  • BOpen the shut-off valves at the rear of both trailers.
  • CClose the shut-off valves at the rear of the first trailer and open the shut-off valves at the rear of the second trailer.
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Arkansas CDL Doubles/Triples Test Info

Questions on Exam

20

Passing Score

80%

Time Limit

Typically 30 minutes; varies by testing location

Age Requirements

Intrastate: 18+ · Interstate: 21+

Arkansas Department of Finance and Administration

Official CDL Portal

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