New Hampshire CDL DMV Endorsement Passenger 2

When checking your vehicle's tires, you should confirm that air pressure is neither too low nor too high; that there is at least 4/32 of an inch of tread depth in every major groove on the front tires; that there is at least 2/32 of an inch of tread depth in grooves on other tires; and that radial and bias-ply tires are not used together.

As the first step of a vehicle inspection, a driver should review any inspection report left by the previous driver.

Factors that can affect your vehicle's stopping distance include driving speed, the vehicle's weight, and the slipperiness of the road surface.

Before backing up, you should get out of your vehicle and look at your line of travel. Check your clearance to the sides and overhead.

Even under ideal weather conditions, a bus being driven at the posted design speed for a curve could either roll over or slide off the road. For safety, you should reduce your speed before driving a bus around a curve.

When checking the exhaust system, you should verify that no parts of the system are loose, broken, or missing.

When making a right turn, avoid turning too wide to the left. If you must swing into another lane to complete the turn, you should keep the rear of your vehicle close to the curb. Leaving space to the right of your vehicle while turning right may indicate to other drivers that you are turning left, so they may attempt to pass you on your right.

Having tires of mismatched sizes on a vehicle is a problem that should be fixed if discovered during a vehicle inspection.

For safe operation, a commercial motor vehicle needs a tread depth of 4/32 of an inch in every major groove on the front tires, and a tread depth of 2/32 of an inch on other tires.

If the coolant temperature gauge goes above the highest safe temperature, you should stop driving as soon as possible and try to figure out what is wrong. There could be an issue in your vehicle that could lead to engine failure and possibly a fire.

Speeding traffic is the main cause of death and injury in work zones. Drive with special caution when traveling near road workers.

Truck tractors with air brakes built on or after March 1, 1997 must be equipped with an Anti-Lock Braking System (ABS).

If your vehicle begins to hydroplane, do not apply the brakes. Instead, slow down by releasing the accelerator and pushing in the clutch.

The best thing to do when confronted with an aggressive driver is to get out of their way, if possible. Avoid making eye contact, which could further provoke the driver. Ignore any hand gestures made by the driver.

There should be at least 4/32 of an inch of tread depth in every major groove on front tires and 2/32 of an inch on other tires. Valve stems should not be cut or cracked. Tire sizes should not be mismatched.

During the vehicle inspection test, you will need to show emergency equipment, including spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and a properly charged and rated fire extinguisher.

During the pre-trip vehicle inspection test, you will be asked to check the power steering, water pump, alternator, and air compressor belts, if the vehicle is equipped.

Overuse of the brakes may cause them to overheat, making them less effective. This is known as "fade."

A bus driver should stop between 15 and 50 feet before any railroad crossing and check for trains before proceeding across the tracks. The driver may open the door to improve their ability to see or hear any approaching trains.

When approaching a railroad crossing while driving a bus, you must stop between 15 and 50 feet from the nearest track to look and listen for any approaching trains. Only proceed once you are certain that there are no approaching trains. You do not need to stop at streetcar crossings; if a police officer or flagger is directing traffic; if there is a green traffic signal at the crossing; or at crossings marked "exempt" or "abandoned."