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According to the Hours of Service (HOS) regulations, the driver of a passenger-carrying vehicle who has been on duty for 15 hours may not drive _________ before going off duty.
It’s time to take a break from driving.
Under federal regulations, which of these newly manufactured buses are required to be equipped with electronic stability control (ESC)?
For relatively long or intercity trips.
Your tractor-trailer is equipped with an 18-speed manual transmission. To reach gear 7 L, the range selector should be in _____, and the splitter should be in _____.
Sixth gear is in the high range.
Your employer told you to transport some cargo in a manner that you believed was unsafe. You refused, expressing your safety concerns. As a result, your employer took retaliatory action against you. What should you do?
Your safety on the job may be at risk.
You are going to load and transport a cargo of perishable foodstuffs in your refrigerated (reefer) truck. You should do which of the following?
Every part of the load needs refrigeration.
At a roadside inspection, your vehicle will be put out-of-service if _____ of its brakes are found to be defective.
Less than 1/4th.
Which of the following strategies can help prevent cargo theft?
Employ multiple strategies.
In the wintertime, asphalt tends to look:
You’re driving a truck, and a passenger is seated next to you in the cab. Under federal regulations, is the passenger required to wear a seat belt?
It’s for everyone’s safety.
You’re driving a concrete mixer truck (cement mixer) to your next job site. In this context, what is “slump”?
A thicker concrete mix holds its shape better.
You’re driving a loaded truck. How can you maintain your personal safety at truck stops?
Several ways to stay safe.
Under federal regulations, the maximum allowed gross vehicle weight (GVW) of a truck on an interstate highway is
Which of the following statements about bias-ply tires and radial tires are true?
It’s in how they’re constructed.
Under federal regulations, on any interstate highway, the maximum allowed gross weight on the tandem axles of a 5-axle tractor-trailer is:
Your electronic daily log must contain which of the following entries?
Lots of information.
According to the Hours of Service (HOS) regulations, if you encounter adverse driving conditions during your trip that prevent you from completing your trip within the allowed driving time, you may extend your allowed driving time by an additional:
Not by three hours.
Under federal regulations, when you’re transporting a large boulder (with a stable base) on a flatbed vehicle, you must support it with at least ____ piece(s) of hardwood blocking and secure it with at least ____ chain(s).
One near each side; one near each end.
Rapid acceleration can increase your fuel consumption by as much as:
By more than one-third.
When is an engine retarder most efficient?
On a steep descent, you need to lower your speed.
According to the Hours of Service (HOS) regulations, the driver of a passenger-carrying vehicle must not drive for more than _______ while on duty.
You may drive for more than eight hours.
What is the purpose of the central apron in a roundabout?
Your vehicle’s rear wheels follow a shorter path than the front wheels.
You’ll be driving a loaded 5-axle tractor-trailer equipped with sliding tandems. Currently, the weight on the drive axles is 32,000 pounds, and the weight on the trailer tandem axles is 35,000 pounds. Assume 250 pounds per tandem hole. Which way should you slide the trailer tandems to comply with federal weight limits?
Slide toward the overweight condition.
Your vehicle is equipped with hydraulic brakes. At a roadside inspection, your vehicle will be put out of service if the fluid level in any master cylinder reservoir is less than:
It doesn’t even have to be half full.
To secure a metal coil weighing at least 5,000 pounds with its eye vertical on a flatbed truck, at least _____ tiedowns must be used.
Diagonally and side-to-side.
Under federal regulations, coach buses and truck tractors manufactured since ______ are required to be equipped with electronic stability control (ESC).
Required quite recently.
Which of the following are true about an automated manual transmission (AMT)?
It’s neither a manual nor an automatic.
According to the Hours of Service (HOS) regulations, the driver of a cargo-carrying vehicle may not drive more than _______ during a 14-hour on-duty period.
No driving for three hours of the full on-duty period.
Driving on snow-covered roads can increase your fuel consumption by as much as:
Less than 30.
You’re having some trouble backing your truck into the dock. Your helper offers to back your truck for you. You should:
The safety of the cargo is your responsibility.
Which of the following will NOT help you be more fuel efficient?
You’ll be driving a 5-axle tractor-trailer. The distance from the steering axle to the rear tandem trailer axle is 51 feet. The distance from the front drive axle to the rear tandem trailer axle is 36 feet. Using the federal Bridge Gross Weight Formula, what is the maximum combined weight that can be carried by the drive axles and trailer axles?
Consider the four axles as one group.
At a truck stop, you notice a young woman looking forlorn. What are some signs that she might be a victim of human trafficking?
Several things to watch out for.
You’ll be driving a tractor-trailer with tandem drive axles and tandem trailer axles. You’re installing tire chains on the vehicle to cope with the bad winter weather. Which tires are legally required to be chained?
Check the laws and regulations where you’ll be driving.
At a roadside inspection, your vehicle will be put out of service if a tire leak is found and:
Inspect your tires thoroughly.
According to the Hours of Service (HOS) regulations, the driver of a cargo-carrying vehicle must go off duty after the driver has been on duty for:
More than half a day.
You’re driving on a curve to the left. How can you ensure that your rear wheels stay in your lane?
Counteract the tendency of your rear wheels to drift into another lane.
Idling your engine for more than five minutes can:
Bad in several ways.
Which of these is the most serious reported problem with some GPS navigation devices?
Very true if you don’t enter your CMV’s weight and dimensions properly.
Which of the following are signs of a suspicious package?
Many suspicious signs
In FMCSA’s Compliance, Safety, Accountability (CSA) program, all of the following are Behavior Analysis and Safety Improvement Categories (BASICs) EXCEPT:
Polarized gladhands on a tractor:
Polarized gladhands with polarized trailer couplers prevent cross-connection.
Which of these is the biggest drawback of today’s fully automatic (NOT automated manual) transmissions?
Cool but not cheap.
What is the major purpose of Diesel Exhaust Fluid (DEF)?
To help reduce air pollution.
Your vehicle has tandem drive axles and is equipped with an inter-axle differential. You should NOT engage it if:
It can prevent a wheel from starting to spin.
How do you perform progressive shifting to reduce fuel consumption?
Lower engine speeds consume less fuel.
Load binders are used for what purpose?
Some have a ratchet mechanism.
Under federal regulations, to transport logs, which of the following must be true?
Prevent the logs from rolling.
When performing the pre-trip inspection of a bus, what checks should you perform on the driveshaft assembly?
A dropped driveshaft could be disastrous. Check it thoroughly.
According to the Hours of Service (HOS) regulations, after ____ cumulative hours of driving without a break, you must take a 30-minute break.
You may drive for more than six hours without a break.