Knowledge Test Class A #1
Class A Driving Test | Massachusetts 2024 #1 Page 5 of 7
Train for FREE online with our Massachusetts class A 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 MA CDL class A permit in 2024, 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 A requirements may vary from state to state.
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29 . Which of the following could reduce the amount of space between the road surface and an overhead object, such as a bridge?
Rain
You should not assume that signs marking the height of a bridge or overpass are exactly correct. If the road was repaved after the sign went up, or if snow is on the ground, the clearance may be different than what the sign indicates.
30 . Blocking a load:
Can only be done in dry weather.
Cargo should be blocked to prevent it from sliding around in transit. The shifting of weight in transit can make steering and handling difficult for the driver.
31 . After starting the engine, oil pressure should reach a normal level:
Within 10 minutes of driving.
After you start the engine, keep an eye on the gauges. Oil pressure should rise to a normal level within a few seconds of the engine being started.
32 . A vehicle’s center of gravity is:
Very important.
To reduce the risk of a vehicle tipping over, it is very important to keep its center of gravity from becoming too high.
33 . A vehicle inspection:
Should be performed once a month.
A vehicle should be inspected before every trip to help ensure that any small mechanical issues are caught before they become more serious problems. It is better to discover a problem with your vehicle before a drive than after the drive has begun.
34 . Brake fade is a result of:
Not using the brakes enough.
If brakes are used too much, they will overheat and become less effective. This is referred to as brake fade.
35 . If driving a truck that requires a CDL for operation:
You are only required to wear a seat belt when driving a tank trailer.
