Practice question

Under GB 7258-2017 and JT/T 1178.2, what mandatory tire safety monitoring device must be installed on dangerous goods transport tractor units and semi-trailers?

  1. Tire Pressure Monitoring System (TPMS / 胎压监测系统) or Tire Blowout Emergency Safety Device (爆胎应急安全装置)
  2. Automatic tire retreading machines mounted on the drive axle
  3. Tire water cooling jets that spray petroleum solvent on hot brake drums
  4. Solid non-pneumatic wooden wagon wheels on steer axles

Answer: A — Tire Pressure Monitoring System (TPMS / 胎压监测系统) or Tire Blowout Emergency Safety Device (爆胎应急安全装置)

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