Question 60Safety & Environmental - 1st Asst/Chief70% to pass
The instrument shown in the illustration has not been used for several weeks. Prior to its use for testing a compartment, you should _______________. Illustration SF-0003
AI Explanation
The correct answer is D) all of the above.
When an instrument has not been used for several weeks, it is important to thoroughly check and prepare it before use to ensure accurate and reliable readings. This involves:
1) Checking or renewing the batteries to ensure the instrument has sufficient power to operate properly.
2) Purging the meter to remove any contaminants or residue that may have built up during the period of non-use.
3) Adjusting the meter pointer to zero to establish a proper baseline for taking measurements.
Performing all these steps helps to confirm the instrument is in good working order and will provide accurate results when testing a compartment. The other answer choices, while potentially useful steps, do not encompass the full scope of preparation required for an instrument that has been idle for an extended period.
Related Questions
#58 While fighting a fire, in order to utilize two hoses from a single 'wye' gate attached to a hydrant outlet, you need only turn the valve handle _______________.#59 Which of the following statements is true concerning the meter shown in the illustration? Illustration SF-0003 #61 A fuel tank on a barge has been certified by a marine chemist as being "Safe for Men" and "Safe for fire." This condition may change if _______________.#62 The atmosphere of an empty fuel tank is tested and designated "gas free". Which of the following statements is correct concerning this tank? #63 If a cargo tank has not been certified as gas free, _______________.