Safety Technology Exchange Edition: Daily Question (2016.8.12)
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This post was last edited by 68589544 on 2016-8-17 01:45. 1.jpg Daily Question (Single-choice question): 1. In production areas where there is a risk of explosion, vehicles are usually prohibited from entering. However, in cases where it is difficult to complete the task manually and the use of motor vehicles is necessary, the vehicles permitted to enter that area are ____. A. A vehicle equipped with a fire extinguisher or water. B. A two-wheeled motorcycle. C. A tractor pulled by hand, carrying production materials. D. A vehicle whose exhaust pipe is fitted with a fire shield. 2. Which of the following practices regarding the inspection of pressure vessels is unsafe? ____ A. Before carrying out the inspection, ensure that the escalators, platforms, scaffolding, and radiation protection measures meet the requirements for safe operation, and that safety warning signs are in place. B. The media inside the equipment have been drained, and any remaining flammable media have been replaced with air. C. All valves connected to the equipment under inspection are closed, and blind flanges are used to block off any sources of liquid, gas, or steam. D. When inspectors enter the pressure vessel, someone remains outside to supervise them. The correct answers are D/B
1. D. -------------2. B.
D. Vehicles with exhaust pipes equipped with fire shields; B. The medium inside the equipment has been emptied, and the remaining flammable substances inside are replaced with air
D. Vehicles with exhaust pipes equipped with fire shields; B. The medium inside the equipment has been emptied, and the remaining flammable substances inside are replaced with air
1. Vehicles are generally prohibited from entering production areas with explosion hazards. However, in cases where it is difficult to complete the task manually and the use of motor vehicles is necessary, the vehicles allowed to enter that area are _D___. A. A car equipped with a fire extinguisher or water. B. A two-wheeled motorcycle. C. A tractor pulled by hand, carrying production materials. D. A car whose exhaust pipe is fitted with a fire shield. 2. Among the practices related to the inspection of pressure vessels, the unsafe one is __B__. A. Before carrying out the inspection, ensure that the escalators, platforms, scaffolding, and radiation protection measures meet the requirements for safe operation, and that safety warning signs are in place.
B. The media inside the equipment have been emptied, and any remaining flammable media have been replaced with air.
C. All valves connected to the equipment under inspection are closed, and blind flanges are used to block off any sources of liquid, gas, or steam.
D. When inspectors enter the pressure vessel, someone remains outside to monitor them
B. The media inside the equipment have been emptied, and any remaining flammable media have been replaced with air.
C. All valves connected to the equipment under inspection are closed, and blind flanges are used to block off any sources of liquid, gas, or steam.
D. When inspectors enter the pressure vessel, someone remains outside to monitor them