Daily Security Technology Quiz (2016.9.14)
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1. Which of the following practices regarding the use of safety helmets is incorrect? ____ A. Adding ear guards B. Attaching labels C. Drilling holes and adding straps by oneself. 2. Which statement about safety valves is incorrect? ____ A. It provides protection against excessively high pressures. B. When the gas pressure becomes too high, the safety valve opens to release the excess gas. C. If the safety valve leaks, the pipes below it will become hot, and in severe cases, there will be a sound of airflow. D. Once all safety valves open, they cannot be reset. The correct answers are: C; D
1. Which of the following practices regarding the use of safety helmets is incorrect? ____ C. Drilling holes and adding straps by oneself. 2. Which statement about safety valves is incorrect? ____ D. Once all safety valves activate, they will not return to their normal position