Massachusetts CDL Practice Test: Class C - Test 4 2021

Based on 2021 MA CDL Handbook
Number of questions: 30
Passing score: 80%
Acceptable number of errors: 6

Instruction: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the Massachusetts Commercial Driver Handbook. Endorsements that may be used with a Class C CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Massachusetts DMV locations.

1. What offense is a serious traffic violation?
A
Turn on your four-way flashers to warn the driver
B
Sound your horn to get the drivers attention
C
Give the proper turn signal to show you are changing lanes
D
Flash your headlights to alert the driver
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