FREE AND STUDY GAMES ABOUT SECTION 7 EXAM

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FREE AND STUDY GAMES ABOUT SECTION 7 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -17 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Do converter follows have springs?

Answer:

Yes

Question 2: How can you control a surge

Answer:

Avoid speeding, drive with caution

Question 3: How do you make sure a trailer height is correct before coupling?

Answer:

must be slightly lower than the center of the fifth wheel, so trailer is raised slightly when dolly is pushed under

Question 4: What do you check when making a visual check of coupling?

Answer:

No space between upper and lower fifth wheel. Locking jaws closed on kingpin.

Make sure fifth wheel is greased properly

Question 5: How are bulkheads different than baffles?

Answer:

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

Question 6: What is a converter dollie

Answer:

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 Question 7: How are smooth bore tankers different to drive than those with baffles?

Answer:

Un-baffled liquid tankers (sometimes called "smooth bore" tanks) have nothing inside to slow down the flow of the liquid. Therefore, forward-and back surge is very strong Question 8: Why should you pull a dolly out from under a trailer before you disconnect it from the trailer in front?

Answer:

The dolly tow bar may fly up, possibly causing injury, and making it very difficult to re-couple.

Question 9: How can you test that air flows to all trailers?

Answer:

Wait for air pressure to reach normal, then push in the red "trailer air supply" knob. This will supply air to the emergency (supply) lines. Use the trailer handbrake to provide air to the service line. Go to the rear of the rig. Open the emergency line s Question 10: Should the shut-off valves on the rear of the last trailer be open or closed? On the first trailer in a set of doubles? On the middle trailer of a set of triples?

Answer:

Closed; open; open

Question 11: What is outage

Answer:

Liquids expand as they warm and you must leave room for the expanding liquid. This is called "outage"

Question 12: What two reasons make special care necessary when driving tank vehicles?

Answer:

High center of gravity and liquid movement Question 13: What should you check for when inspecting the converter dolly? The pintle hook?

Answer:

If spare tire is carried on converter gear (dolly), make sure it's secured.

2) Pintle hook is latched.Question 14: Should a tank vehicle take curves, on ramps, or off ramps at the posted speed limits?

Answer:

Absolutely not

Slow down before curves, then accelerate slightly through the curve. The posted speed for a curve may be too fast for a tank vehicle... NO

Question 15: What three things determine how much liquid you can load

Answer:

? The amount the liquid will expand in transit.? The weight of the liquid.? Legal weight limits.

Question 16: How do you know if your converter dolly has antilock brakes?

Answer:

There's a yellow indicator on the left side Question 17: What three methods can you use to secure a second trailer before couple?

Answer:

Connect the emergency line, charge the trailer air tank, and disconnect the emergency line.

Spring brakes

Wheel chocks