Question 1019 of 234 · California Wastewater Operator Exam
How should a wastewater operator test for a chlorine gas leak at a connection?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 1019
- C: Hold a rag with ammonia solution near the connection and watch for white fumes
Explanation
Ammonia vapor reacts with chlorine to form a visible white cloud of ammonium chloride. Water on a chlorine leak makes it worse, since moist chlorine is highly corrosive.
More questions: Safety and Hazards
- 1020What is the first step in the safe response to a small acid spill on the floor?
- 1021Which action is required before a pump or machine can be repaired while it is connected to a piping system with stored pressure?
- 1022A noise survey shows an operator is exposed to 90 decibels over an 8-hour shift. The best control is
- 1023Lifting heavy objects safely means
- 1024Which situation requires an immediate evacuation by employees?
- 1025A written safety program for a plant is most effective when it includes