BC Class 1 Commercial Practice Questions - British Columbia ICBC Class 1 Commercial Driver Knowledge Test Exam

What is a safe uncoupling principle for a loaded semi-trailer?

Park on firm level ground, secure the vehicle, lower landing gear, disconnect lines, and pull out slowly Uncouple on a steep shoulder without wheel blocks Pull the kingpin free before lowering landing gear Leave air and electrical lines stretched tight

Correct Answer:

Park on firm level ground, secure the vehicle, lower landing gear, disconnect lines, and pull out slowly

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