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Exam (elaborations)

DC 3RD CLASS EXAMINATION TEST QUESTIONS AND FULL SOLUTIONS GRADED A+

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DC 3RD CLASS EXAMINATION TEST QUESTIONS AND FULL SOLUTIONS GRADED A+

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DC 3RD CLASS
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Institution
DC 3RD CLASS
Course
DC 3RD CLASS

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Uploaded on
November 6, 2025
Number of pages
13
Written in
2025/2026
Type
Exam (elaborations)
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DC 3RD CLASS EXAMINATION TEST
QUESTIONS AND FULL SOLUTIONS GRADED
A+

◉ PARAMETERS. Answer: INITIAL EFFECTIVE RANGE
15 FEET
• DECREASES WITH USE
- LASTS 60 SECONDS
CONTINUOUS USE


◉ PORTABLE EXTINGUISHERS. Answer: TWO SIZES AVAILABLE
- 18 POUND
• RANGE 19 FEET
• LASTS 10 SECONDS
- 27 POUND
• RANGE 21 FEET
• LASTS 11 SECONDS


◉ PORTABLE EXTINGUISHERS. Answer: SAFETY PRECAUTIONS
- 15 Ibs CO, EXTINGUISHER
• WEIGHS AROUND 48 Ibs.

, - DO NOT LEAVE CYLINDER
UNATTENDED IN THE UPRIGHT POSITION
• MISSILE HAZARD
- RUPTURE DISK SET
BETWEEN 2650-3000 PSI
• DISCHARGES CO, DUE TO EXCESSIVE PRESSURE
- KEEP CYLINDER
GROUNDED
- HOLD BY HANDLE NOT HORN


◉ PORTABLE EXTINGUISHER:. Answer: USE OF A CO,
EXTINGUISHER
- GROUND THE CO, CYLINDER TO THE DECK
- EFFECTIVE RANGE 4-6 FEET FROM END OF HORN
- APPROXIMATELY 35 SECONDS (CONTINUOUS USE)


◉ INSTALLED FES. Answer: ACTUATION SYSTEM
TIME DELAY BYPASS VALVE
- ACTIVATED IN THE EVENT OF A TIME DELAY FAILURE
- MANUALLY OPERATED
• PERSONNEL MUST WAIT THE ALLOTTED TIME DELAY
i.e. 30 SECONDS)

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Welcome to FocusFile, your inspiring hub for academic excellence! Just like your favorite café where every sip brings comfort, FocusFile is designed to be your go-to space for clear thinking, deep focus, and study success. Here at FocusFile, I believe learning isn’t just about cramming it’s about clarity, growth, and building the confidence to conquer any challenge. That’s why you’ll find a handpicked collection of top-notch, easy-to-digest study materials, smart summaries, and guides tailored to a wide range of subjects and learning styles. Whether you're gearing up for exams, brushing up on class notes, or just need that extra push, FocusFile has you covered. From quick-reference sheets to deep-dive notes, there’s something here for every learner whether you're a visual thinker, a bullet-point lover, or someone who thrives on quick, impactful insights. Think of FocusFile as your academic sanctuary, a place where productivity meets peace of mind. So grab your favorite drink, settle in, and let’s sharpen your focus and fuel your success, one file at a time. Thanks for making FocusFile your study partner. Let’s unlock your full potential together!

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