Part 1 - 393 Level II mechanical Inspection Exercise

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Part 393 Level II mechanical Inspection quiz

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You inspect the left side steer wheel and notice 2 cracks and one of the cracks goes from stud hole to stud hole. What do you do if anything?

1 point

Write a 393.205 (a) violation and place vehicle OOS.

Write only a 393.205 (a) violation and allow the driver to proceed.

No violation or OOS.

Write a 393.207 violation and place vehicle OOS.

Clear selection

You see a unladen trailer come into the scale and it's flip axle is flipped up and secured to the back of the trailer but the tires are moving with the trailer tandem tires (tires are in contact with each other). What do you do?

1 point

Nothing and tell the the driver

Write a 396.3(a)(1)) violation and allow driver to proceed

Write a 393.75(a)(3)) violation and put OOS

Write a 396.3(a)(1)) violation and put OOS

Clear selection

You are inspecting a CMV. The duel tires on the right side axle 5 of the trailer both have issues. The inside tire is flat and coming off the rim. The outside tire when measured is worn less than 1/32 of an inch when measured in two adjacent major tread grooves at three separate locations around the tire at least 8 inches apart. How many violations and how many OOS do you have according to CVSA Policy 14?

1 point

There are two violations and two OOS.

There is two violations and only one OOS.

There is one violation and one OOS.

No violations.

Clear selection

A set of doubles come in and you do an inspection. The full trailer has a solid tongue equipped with one safety chain on the center line of trailer tongue. Is it good to go?

1 point

Yes

Clear selection

You have the driver rock the steering wheel back and forth and see the looseness of the pitman arm on the steering gear output shaft. What is the Violation if any?

1 point

Not a violation and allow driver to proceed

Write for 393.209(d) for steering wheel lash and allow driver to proceed

Write for 393.209(b) for looseness of pitman arm and allow driver to proceed

Write for 393.209(d) for looseness of pitman arm and place OOS

Clear selection

When inspecting a truck that runs off of LNG for its fuel. How do you check for a leak if you suspect one?

1 point

Do a bubble test outside of a building using non-ammonia, non-corrosive soap solution.

We don't inspect these vehicles.

Spit on it.

Pull it inside a building over a pit and see if you can see the leak.

Clear selection

Your are at the scale and this comes rolling in and smoke is bellowing from the wheel hub. What would you do if anything?

1 point

Call 911 and have the fire department come to assist

Nothing, this can be fixed down the road.

Write 393.47(a) Brake malfunction causing smoke or fire to emit from wheel end place OOS

396.3(a)(1) smoking from wheel hub assembly due to bearing failure and place OOS

Clear selection

Per 393.11 on a semi trailer where are the rear clearance lights located?

1 point

One on each side of top vertical center line as far apart as practicable

One on each side of the vertical centerline to indicate overall width

The 3 at top center line are good to indicate clearance

All the above

Clear selection

Per 393.45(c) in all, the spring guard must be how many inches long on a coiled, nonmetallic brake tubing?

1 point

2 inches

1.5 inches

4 inches

3.5 inches

Clear selection

While inspecting a truck you find a wheel with 10 wheel fasteners, two of the fasteners are loose and adjacent to each other. Is the truck out-of-service?

1 point

Yes

Clear selection

As you are doing your walk around and look at the trailer and see 4 out of 4 slider guides missing, what do you do if anything?

1 point

Nothing because the locking pins are engaged

Write a 393.207(b) violation for missing more than 25 percent and place vehicle OOS.

Write a 393.70(b)(1)(i) violation for missing more than 25 percent and place vehicle OOS.

Write a 396.3 (a)(1) violation for missing more than 25 percent and place vehicle OOS

Clear selection

In what step of the NAS level II inspection (found in the spiral bound OOS Criteria) is the inspector required to inspect the ABS light on the tractor trailer?

1 point

Step 13

There is no requirement to check ABS malfunction lights.

Sept 28 only.

Step 21 and Step 33.

Clear selection

During an inspection you notice fuel dripping from the bottom of the fuel tank for the refrigeration unit on the Semi-Trailer. What do you do if anything?

1 point

It's not the main fuel system, make sure the driver knows so he can get it fixed.

Write a 396.3(a)(1) violation and place the vehicle OOS.

Write a 393.65 violation and place the vehicle OOS.

Write a 393.65 violation and allow the vehicle to leave.

Clear selection

While inspecting a truck you find that both tires on axle 2 right side are bald and measure less than 1/32-inch tread depth in two adjacent tread grooves and in three separate places around the tire at least 8 inches apart. Is there a violation? How many violations should be written? Should the vehicle be placed OOS?

1 point

Write one violation so the driver won't get affected and place the vehicle OOS.

There is still some tread on that tire, don't write a violation or place the vehicle OOS.

Write two violations and place both tires OOS.

Write two violations however only place one OOS.

Clear selection

According to Safety Notices, reflective tape (conspicuity tape) is not required on?

1 point

Pole Trailers.

Drive-away Tow-away vehicles.

Straight Trucks

All the above.

Clear selection

During an inspection you notice the steering wheel seems to have a lot of play in it when the driver turns it back and forth when checking the pitman arm. The vehicle has power steering and you check the steering wheel lash. The steering wheel diameter is 21 inches. You measure the lash at 8 inches. What do you do if anything?

1 point

Write a 393.209(b) violation only.

Write a 393.209(b) violation and place the vehicle OOS.

The lash is not enough to write a violation.

Since I have no idea how to check the lash, I would let the driver go.

Clear selection

You stop a truck and the driver has replaced the seat that came from the manufacturer to a recliner that you would typically see at home. What do you do if anything?

1 point

This guy is too cool, I would let him go on down the road.

Write a violation and let him go.

Write a 396.3(a)(1) violation and place the vehicle OOS.

Write a 393.93(b) violation and place the vehicle OOS.

Clear selection

Per 393.78 when are windshield wipers considered OOS?

1 point

Never an OOS

Both windshield wipers have to be inoperative in Inclement weather

Just the passengers side in inclement weather

Just the drivers side in inclement weather

Clear selection

Per 393.83(g) when is an exhaust leak an OOS?

1 point

A leak under the cab

A leak behind cab

A leak into the cab

All of the above

Clear selection

What is the 396.17 violation?

1 point

Pre-Trip inspection

Driver inspection

Post-Trip Inspection

Periodic inspection

Clear selection

A 2003 flat bed solo vehicle without its forklift attached behind it comes into the scale. The forklift would normally act as the rear impact guard. Without the forklift will it be in violation for not having a rear impact guard by the measurements in the photo?

1 point

Yes, write a 393.86 violation and place vehicle OOS.

No violation, this acts as a wheels back vehicle.

Yes, write a 393.86 violation and do not place OOS.

No, this vehicle acts as a low chassis vehicle and would not be required.

Clear selection

While working at a scale this truck and trailer comes through. The drivers says he is trying to make it to Portland to complete repairs because it is close to home and is cheaper. He also says the trailer is empty. The broken crossmembers are in the bay area. What do you do if anything?

1 point

Let him proceed since the trailer is empty and it will save the company lots of money.

Write a 393.201(a) violation and let him go.

Tell him to secure the crossmembers better then he can go.

Write a 393.201(a) violation and place the trailer OOS.

Clear selection

At what point is there a violation and OOS for a low air pressure warning device missing, inoperative or does not operate continuously if either the primary or secondary reservoir is ____ psi or 1/2 the governor cut out-out pressure, which ever is less.

1 point

Clear selection

While inspecting a tractor/semi-trailer combination you find the steering axle on the tractor has a tire with less than 2/32-inch tread depth in two adjacent major tread grooves. Is there a violation?

1 point

Yes

Clear selection

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