Oklahoma Tanker Endorsement Practice Test (OK) 2

5 out of 5 (70 votes)
80% Passing score
20 Questions
4 Mistakes allowed
If you're preparing for the Oklahoma CDL tanker endorsement test, you're on the right track. Navigating the roads with a tanker requires a unique set of skills, and our Oklahoma CDL tanker practice test is here to help you sharpen those skills. With 20 meticulously crafted questions, this Oklahoma written driving test practice covers crucial topics like managing liquid surge, maintaining weight stability, and adhering to safety regulations. It's not just about answering questions; it's about understanding the dynamics of driving a tanker, especially considering their high center of gravity, which can make them more prone to tipping. In Oklahoma, where the roads stretch across vast plains and bustling cities, tanker drivers must be prepared for anything. This CDL tanker test will guide you through the necessary safety procedures and equip you with the knowledge to handle spills and leaks effectively. You'll need at least 16 correct answers to pass, so take your time and absorb the information. Remember, practice makes perfect, and this is especially true when it comes to the Oklahoma DMV practice test. While our Oklahoma CDL tanker practice test is an invaluable tool, it should be used alongside other study materials. Dive into the driver's handbook, enroll in a state-certified driver's ed course, and utilize flashcards and road sign charts. This comprehensive approach ensures you're ready for the road and the challenges that come with driving a tanker. Oklahoma is known for its warm hospitality, vibrant rodeos, and the annual Oklahoma State Fair, where you can see all kinds of vehicles and machinery in action. Just like preparing for the Tulsa State Fair takes time and practice, so does preparing for your CDL tanker endorsement test. Our permit practice test complements any state-certified driver's ed or ELDT course, offering you a chance to practice the multiple-choice format used in the actual written permit test. This helps you get used to the process of eliminating incorrect answers, a crucial skill for success. Embrace this opportunity to learn and grow as a driver. With dedication and the right resources, you'll be well-prepared to take on the unique challenges of tanker driving in Oklahoma and beyond.
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Sample Oklahoma Tanker Test Questions

Question 1

After stopping safely and notifying emergency services about a tank vehicle fire, what should you do before attempting to extinguish it?

  1. A Move closer to identify the exact source
  2. B Take steps to keep the fire from spreading
  3. C Open the tank's manhole cover
  4. D Wait for a mechanic to inspect the vehicle

Correct answer: B – Take steps to keep the fire from spreading

Before using an extinguisher, keep the fire from spreading any farther. Stop in an open area away from buildings, vegetation, other vehicles, and anything else that could ignite, then notify emergency services. If you are unsure which extinguisher is appropriate, especially when hazardous materials are involved, wait for firefighters.

Source: Oklahoma CDL Driver’s Manual — § 2.21.3, “Fire Fighting”

Question 2

When loading or unloading a tank divided by bulkheads in Oklahoma, front-to-rear weight distribution becomes less important.

  1. A TRUE
  2. B FALSE

Correct answer: B – FALSE

Bulkheads divide a liquid tank into smaller compartments. The statement is false because the driver must still pay close attention to weight distribution while loading and unloading those compartments. Do not place too much weight at either the front or rear of the vehicle.

Source: Oklahoma CDL Driver’s Manual — § 8.2.3, “Bulkheads”

Question 3

Why does operating a liquid tank vehicle require additional driving skill?

  1. A Its high center of gravity and moving liquid affect vehicle control
  2. B Its low center of gravity makes steering unusually difficult
  3. C Its rounded tank prevents the use of normal braking methods
  4. D Its liquid cargo remains stationary while the vehicle is moving

Correct answer: A – Its high center of gravity and moving liquid affect vehicle control

Tank vehicles carry much of their load high above the road, making them top-heavy and easier to roll over. In a partially filled tank, the moving liquid can surge and push the vehicle in the direction of the wave. Drivers must account for both rollover risk and the effects of liquid movement.

Source: Oklahoma CDL Driver’s Manual — § 8.2.1, “High Center of Gravity”, Oklahoma CDL Driver’s Manual — § 8.2.2, “Danger of Surge”

Question 4

Why are some tanks used for food products built without internal baffles?

  1. A Baffles prevent the tank from being partially loaded
  2. B Baffles make thorough cleaning difficult under sanitation requirements
  3. C Baffles eliminate all forward-and-back liquid surge
  4. D Baffles cause liquids to expand more during transit

Correct answer: B – Baffles make thorough cleaning difficult under sanitation requirements

Some food-product tankers, including milk tankers, are smooth-bore tanks without internal baffles. Sanitation requirements may prohibit baffles because the areas around them are difficult to clean thoroughly. Without baffles, forward-and-back surge is strong, requiring extra caution during starts and stops.

Source: Oklahoma CDL Driver’s Manual — § 8.2.5, “Un-baffled Tanks”

Question 5

While operating a tank vehicle in Oklahoma, when is it acceptable to drive with an open manhole cover?

  1. A Only when the tank is empty
  2. B Only while traveling on private property
  3. C Only when the cover is secured with straps
  4. D Never

Correct answer: D – Never

Never drive a tank vehicle with an open manhole cover. During inspection, confirm that each cover has a gasket and closes correctly, and make sure the vents are clear and working properly. An empty tank, private-property operation, or a temporary strap does not make an open cover acceptable.

Source: Oklahoma CDL Driver’s Manual — § 8.1.1, “Leaks”, Oklahoma CDL Driver’s Manual — § 8.1.2, “Check Special Purpose Equipment”

Question 6

Which hazard are working grounding and bonding cables intended to control during applicable tank-transfer operations?

  1. A Interference with navigation equipment
  2. B Uneven weight between the axles
  3. C Static sparks near flammable vapors
  4. D Forward-and-back liquid surge

Correct answer: C – Static sparks near flammable vapors

If a tank vehicle has grounding and bonding cables, inspect them and make sure they work. Federal workplace-safety rules require bonding protection against static sparks during open-dome loading of specified flammable liquids. The bond must be attached before the dome cover is raised and remain connected until filling is complete and the cover is closed and secured.

Source: Oklahoma CDL Driver’s Manual — § 8.1.2, “Check Special Purpose Equipment”, 29 CFR § 1910.106(f)(3)(iv)(a)–(c) – Flammable liquids

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