Which of the following improper operations could most likely lead to hand and/or back injuries?
A) Bypassing alarms
B) Failure to respond to an alarm
C) Adjusting leaking control valve packing
D) Attempting to open a motor controlled valve manually
Answer: D
Explanation: A) Incorrect. Bypassing alarms does not lead to hand and/or back injuries.
B) Incorrect. Failure to respond to an alarm does not lead to hand and/or back injuries.
C) Incorrect. Adjusting leaking control valve packing does not lead to hand and/or back injuries.
D) Correct. Attempting to open a motor controlled valve manually can lead to hand and/or back injuries.
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