Do you currently have motorcycle insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Blocking a load: Answers Is dangerous and should never be done. Helps to stabilize the load. Is only done with liquid cargo. Explanation Blocking and bracing are used to prevent cargo from shifting in transit. Take a FREE Practice Test Now This questions appears in the following tests: Oklahoma Knowledge Test Class B , Tennessee Knowledge Test Class B , Mississippi Tank , Idaho Passenger ,