E
.
Learndmv
DMV PRACTICE
Toggle navigation
Find your state
Exam types
Practice tests
Sign in
Create account
↗
← Leave quiz
Michigan CDL Tanker Practice Questions - Michigan CDL Tank Vehicles Endorsement Test Exam
Practice mode
Question
1
of 25
QUESTION 1 / 25
Under Michigan's CDL manual, when is a tank endorsement required for a Class A or Class B CDL vehicle?
Choose one answer below.
A
Only when the liquid or gas is hazardous
✓
B
When hauling liquid or gaseous material in tanks over 119 gallons each and 1,000 gallons or more aggregate capacity
✓
C
Only when the tank is permanently attached to the frame
✓
D
Whenever any portable container of liquid is carried
✓
QUESTION 2 / 25
What does 49 CFR Part 383 require to pass a CDL knowledge test such as the Michigan tanker endorsement test?
Choose one answer below.
A
At least 60 percent correct
✓
B
At least 70 percent correct
✓
C
At least 80 percent correct
✓
D
A perfect score
✓
QUESTION 3 / 25
What endorsement letter is commonly used for tank vehicles on a CDL?
Choose one answer below.
A
N
✓
B
P
✓
C
T
✓
D
S
✓
QUESTION 4 / 25
A Michigan driver hauling hazardous material in a tank generally needs which combined endorsement authority?
Choose one answer below.
A
Only N
✓
B
Only P
✓
C
X, which combines tank vehicle and hazardous materials authority
✓
D
S, because hazardous cargo is special cargo
✓
QUESTION 5 / 25
Which official Michigan manual section is the main source for tank vehicle knowledge-test topics?
Choose one answer below.
A
Section 3, Transporting Cargo Safely
✓
B
Section 5, Air Brakes
✓
C
Section 8, Tank Vehicles
✓
D
Section 11, Vehicle Inspection Test
✓
QUESTION 6 / 25
Before loading, unloading, or driving a tanker, what should the driver do first?
Choose one answer below.
A
Inspect the tank vehicle
✓
B
Open all valves to relieve pressure
✓
C
Fill the tank completely
✓
D
Disconnect emergency equipment
✓
QUESTION 7 / 25
What is the most important item to check on all tank vehicles?
Choose one answer below.
A
Paint condition
✓
B
Leaks
✓
C
Radio operation
✓
D
Trailer logo placement
✓
QUESTION 8 / 25
What should you do if you find a tank leaking before a trip?
Choose one answer below.
A
Drive only if the leak is slow
✓
B
Carry the load but avoid highways
✓
C
Do not carry liquid or gas in the leaking tank
✓
D
Fill the tank to reduce sloshing
✓
QUESTION 9 / 25
Which tank component should be checked to make sure it has a gasket and closes correctly?
Choose one answer below.
A
Manhole cover
✓
B
Mud flap
✓
C
Fifth wheel release handle
✓
D
License plate bracket
✓
QUESTION 10 / 25
What is the correct condition for tank vents during inspection?
Choose one answer below.
A
Blocked to prevent vapor movement
✓
B
Removed before every trip
✓
C
Clear and working correctly
✓
D
Painted over to prevent corrosion
✓
QUESTION 11 / 25
Which set lists tank-specific equipment a driver may need to check if installed?
Choose one answer below.
A
Vapor recovery kits, grounding and bonding cables, emergency shut-off systems
✓
B
Seat covers, floor mats, and sleeper curtains
✓
C
Spare uniforms, maps, and meal supplies
✓
D
Extra windshield washer fluid only
✓
QUESTION 12 / 25
What is the correct rule for valves and manhole covers before driving a tank vehicle?
Choose one answer below.
A
Drive with them open to reduce pressure
✓
B
Never drive with open valves or manhole covers
✓
C
Open only the rear valves while moving
✓
D
Leave covers loose to speed unloading
✓
QUESTION 13 / 25
Why do liquid tankers require special driving skills?
Choose one answer below.
A
They are always lighter than other trucks
✓
B
They have a high center of gravity and liquid movement
✓
C
They cannot use service brakes
✓
D
They are exempt from inspection rules
✓
QUESTION 14 / 25
What does high center of gravity mean for a tank vehicle?
Choose one answer below.
A
Much of the load weight is carried high above the road
✓
B
The steering wheel is higher than usual
✓
C
The brakes are mounted near the top of the tank
✓
D
The trailer has a low rollover risk
✓
QUESTION 15 / 25
What is liquid surge?
Choose one answer below.
A
The expansion space left in a tank
✓
B
The movement of liquid in a partially filled tank
✓
C
The valve used for unloading
✓
D
The legal weight rating of the tank
✓
QUESTION 16 / 25
When is liquid surge usually most noticeable?
Choose one answer below.
A
When the tank is partially filled
✓
B
Only when the tank is completely empty
✓
C
Only when the vehicle is parked overnight
✓
D
Only when the cargo is solid
✓
QUESTION 17 / 25
What can happen when the surge wave hits the end of the tank during a stop?
Choose one answer below.
A
It can push the truck in the direction the wave is moving
✓
B
It cancels the truck's momentum immediately
✓
C
It makes the brakes cooler
✓
D
It locks the steering axle
✓
QUESTION 18 / 25
On ice, why can liquid surge be especially dangerous at a stop?
Choose one answer below.
A
It can shove a stopped truck into an intersection
✓
B
It makes the liquid evaporate
✓
C
It lowers the center of gravity
✓
D
It turns a baffled tank into a bulkhead tank
✓
QUESTION 19 / 25
How should a tank vehicle driver start, slow down, stop, turn, and change lanes?
Choose one answer below.
A
Smoothly
✓
B
With quick inputs to beat surge
✓
C
Only by using the parking brake
✓
D
With abrupt steering to keep liquid centered
✓
QUESTION 20 / 25
How should a tanker driver approach a curve?
Choose one answer below.
A
Slow before the curve, then accelerate slightly through it
✓
B
Brake hard in the middle of the curve
✓
C
Take the curve at the posted speed every time
✓
D
Coast downhill through the curve in neutral
✓
QUESTION 21 / 25
What are bulkheads in a liquid tank?
Choose one answer below.
A
Solid dividers that create smaller tanks or compartments
✓
B
Holes that let liquid flow freely across the tank
✓
C
External straps holding the tank to the chassis
✓
D
The hoses used during unloading
✓
QUESTION 22 / 25
What are baffles in a liquid tank designed to do?
Choose one answer below.
A
Help control forward-and-back liquid surge
✓
B
Make the tank legally exempt from inspection
✓
C
Eliminate all rollover risk
✓
D
Keep different products completely separated
✓
QUESTION 23 / 25
What type of surge can still occur in a baffled tank?
Choose one answer below.
A
Side-to-side surge
✓
B
No surge of any kind
✓
C
Only solid cargo surge
✓
D
Only surge while parked
✓
QUESTION 24 / 25
What is another name for an unbaffled tank?
Choose one answer below.
A
Smooth bore tank
✓
B
Air brake tank
✓
C
Converter dolly
✓
D
Outage tank
✓
QUESTION 25 / 25
Why are unbaffled smooth bore tanks especially difficult to drive?
Choose one answer below.
A
They have nothing inside to slow liquid flow
✓
B
They cannot be used on highways
✓
C
They always carry dry freight
✓
D
They eliminate forward-and-back surge
✓
← Previous
0 of 25 answered
Next question →
Finish & see results →