When loading compressed gas cylinders (Class 2), if your vehicle doesn't have racks, you must:

Load them in a horizontal position (lying down) if the relief valve is in the vapor space. Section 9.4 (Class 2): Cylinders may be loaded

When loading compressed gas cylinders (Class 2), if your vehicle doesn't have racks, you must:

ANSWER BREAKDOWN
  • A. Incorrect. "Stack them loosely" is not correct. Section 9.4 (Class 2): Cylinders may be loaded in a horizontal position (lying down) if it is designed so the relief valve is in the vapor space.
  • B. Correct. Section 9.4 (Class 2): Cylinders may be loaded in a horizontal position (lying down) if it is designed so the relief valve is in the vapor space.
  • C. Incorrect. "Put them in the sleeper berth" is not correct. Section 9.4 (Class 2): Cylinders may be loaded in a horizontal position (lying down) if it is designed so the relief valve is in the vapor space.
  • D. Incorrect. "Leave them standing up without support" is not correct. Section 9.4 (Class 2): Cylinders may be loaded in a horizontal position (lying down) if it is designed so the relief valve is in the vapor space.