Unofficial study aid. Not affiliated with or endorsed by the U.S. DOT, the FMCSA, or the Texas licensing agency. Rules change: always confirm with the official Texas CDL manual. Practice does not guarantee a passing score on the official test.
1.What is the Texas prima facie speed limit in an alley in an urban district?
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Correct answer: C. 15 mph §545.352(b)(1) sets 15 mph in an alley.
2.When a Texas entity sets or changes a speed limit under Chapter 545, what must be true about daytime and nighttime limits?
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Correct answer: A. They must be the same limit §545.352(e) requires an entity that establishes or alters a speed limit to set the same limit for daytime and nighttime; Texas no longer has separate night or truck limits.
3.Per TxDMV's legal weight table, what is the legal limit for a triple (tridem) axle group in Texas without a permit?
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Correct answer: C. 42,000 pounds TxDMV Texas Size/Weight Limits: single 20,000; tandem 34,000; triple 42,000; quad 50,000; gross 80,000 maximum, used with the permissible weight table.
4.According to TxDMV, axles must be spaced at least how far apart to count as an axle group for Texas weight limits?
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Correct answer: C. 40 inches TxDMV Texas Size/Weight Limits: an axle group must have a minimum spacing of 40 inches between axles within the group.
5.A Texas weight enforcement officer believes your loaded truck is overweight. What may the officer require?
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Correct answer: B. Drive the truck to the nearest available scales §621.402(a)-(b): the officer may weigh the vehicle on DPS-furnished or approved portable or stationary scales, require weighing by a public weigher, and require the vehicle to be driven to the nearest available scales.
6.Before a penalty is assessed for excess AXLE weight in Texas, what may the owner or operator do?
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Correct answer: C. Shift the load to cut the excess, as long as no part is removed §621.402(d): prior to assessment of a penalty for excess axle weight, the owner or operator may shift the load to reduce or eliminate the excess axle weight as long as no part of the shipment is removed.
7.A Texas commercial vehicle inspection report is issued on March 10. When does it become invalid?
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Correct answer: B. After the end of March of the following year §548.254: a vehicle inspection report is invalid after the end of the 12th month following the month in which it is issued.
8.What is the name of TxDMV's online system for applying for oversize/overweight permits and routes?
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Correct answer: D. TxPROS TxDMV directs carriers to the Texas Permitting & Routing Optimization System (TxPROS), including its Permit Wizard; the OS/OW Permits Office can also be reached at (800) 299-1700.
9.Texas DPS gives the CDL knowledge exams in a set order. Which exam comes first?
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Correct answer: B. Texas Commercial Rules Texas DPS: the order is (a) Texas Commercial Rules, (b) General Knowledge, (c) Combination (Class A only), (d) Air Brake if applicable, (e) Endorsements.
10.Generally, when does an original Texas CDL without a hazmat endorsement expire?
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Correct answer: B. Eight years after the applicant's next birthday §522.051(a): an original CDL expires eight years after the applicant's next birthday (special rules apply to non-domiciled licenses and drivers 85 or older). The CDL privilege can still be removed if medical paperwork lapses (§522.093).
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