Which of the following is considered dangerous when working on equipment or machinery?
A. Electricity
B. Hydraulics
C. Compressed air
D. a, b, and c
Answer: D
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The main way for crew leaders to encourage crew safety is to _____.
a. conduct regular workplace inspections b. set a good example for them c. create unsafe conditions to test workers d. promote good communication
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CSST is a special tubing for medical gas systems.
Answer the following statement true (T) or false (F)
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Pin 2 of a 555 timer must be connected to a voltage that is less than 1/10 Vcc (the applied voltage) to trigger the unit.
Answer the following statement true (T) or false (F)
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The subsequent problems deal with the circuit below
If X=0, Y=1, and Z=0, what is S?
A. 1 B. 0 C. uncertain
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