FREE CDL Class B Driving Test Online | New Hampshire 2024
Train for FREE online with our New Hampshire class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NH CDL class B permit in 2021, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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1 . Who may operate a vehicle that requires placards to be driven?
Any person who thinks they can
You must have a CDL with a HazMat endorsement to operate a vehicle that is used to transport hazardous materials.
2 . Which of the following determines your blood alcohol concentration (BAC)?
The color of the drink
The three main factors that determine a person's blood alcohol concentration (BAC) are how much alcohol was consumed; how fast it was consumed; and the person's body weight. The only thing that can lower a person's BAC is waiting for the alcohol to leave their system naturally.
3 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
4 . What do headers do?
Act as wind guards
Front-end header boards protect the driver from the forward motion of their cargo in the event of a crash or emergency stop.
5 . On any upgrade, gravity will:
Cause your vehicle to swerve to the left.
When driving uphill, you are fighting the force of gravity, which will slow down your vehicle.
6 . If wheel bearing seals are leaking, you should:
Add brake fluid to the bearing.
When inspecting a vehicle, you should ensure that the wheel bearing seals are not leaking. If you find anything unsafe during the vehicle inspection, get it fixed. Federal and state laws forbid operating an unsafe vehicle.
7 . When traction is poor, a driver should accelerate slowly:
To be the last vehicle through an intersection.
