Explosion proof - Study guides, Class notes & Summaries
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IAAI CFI Study Questions and Answers (202324]
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Combustible Liquid - A liquid with a flash point ABOVE 100F 
12.5 - If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 
1000 - If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? 
 
*Power (P) = current (I) x voltage (V) 
Watts = amps x volts 
1987 - The year of the first edition of NFPA 1033 
1.5 times - ...
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RMIN 5100S Test 1 Atkinson Questions and Answers Solved 100%
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Abandonment - - Insurance company may choose to take damaged property and pay insured the 
value 
- Insured CANNOT surrender damaged property to insurance company 
Active Retention - Identify the loss/risk exposure and really consider the risk itself and all the 
measures around it. (ex. Should we transfer it, retain it etc.) 
Admitted (standard or retail) Insurance companies - Regulated by the state, They often must 
subscribe to rating and form regulations of that state. 
Agent or Broker - "In...
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CWEA E/I Level 4 With Complete Solutions Graded A+ Latest Update
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1. What is the main electrical danger when using power tools? 
a. Excessive heat 
b. Low-resistance grounding 
c. Over-current 
d. Short circuit -️️ d. Short circuit 
2. What is the most important feature for adequate equipment grounding? 
a. Insulation 
b. Low current 
c. Low-impedance path 
d. Over-current devices -️️ c. Low-impedance path 
3. An explosion-proof enclosure: 
a. can withstand and contain an internal explosion. 
b. can withstand an external explosion. 
c. is identical to ...
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IAAI CFI Study Questions and Answers (2024/2025)
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Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 
12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, 
and it then flows through an electrical load of 1500 watts, what is the amperage of the 
remaining current flow of the return circuit? 
1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), 
what is the wattage? 
*Power (P) = current (I) x voltage (V) 
Watts = amps x volts 
1987 - Correct answer-The y...
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The electrical NCCER test Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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Which Article of the NEC covers grounding? 
: article 250 
Which of the following is a 90 degree, explosion proof fitting? 
: GUAL 
What is a dropout plate? 
: Metal plate with a curved surface for cable to follow as it passes from the tray 
All of the following are common service voltages in the United States EXCEPT: 
: 372/575 3-PHASE, 4-WIRE 
What does a GFCI breaker do? 
: Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a winding are g...
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CWEA Collections System Maintenance Grade 3 | 82 Questions with 100% Correct Answers
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A Flagger should Stand? 
A. On the shoulder adjacent to traffic being controlled 
B. In the closed lane before stopping vehicle traffic 
C. In the traffic lane. 
D. As stated in "A" or "B" above. Correct Answer: D. As stated in "A" or "B" above. 
 
Legally responsible officials are required to report category 1 sanitary sewer overflows? 
A. Within 30 days 
B. Before end of the day 
C. As soon as possible 
D. Within 2 hours Correct Answer: D. Within 2 hours 
 
When working in confined s...
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UPDATED 2024/2025 CETP 1.0: Module 6 Exam
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Also known as NFPA 54, the __________ covers fire prevention and installation standards for fuel gases, as well as the installation of piping and appliances for residential and commercial applciations - CORRECT ANS A. Liquefied Petroleum Gas Code 
B. American Standards National Institute 
C. National Fuel Gas Code 
D. Unfired Boiler and Pressure Vessel Code 
Tanks and pressure relief valves built according to the ASME code are usually marked with a special ASME stamp. - CORRECT ANS Tru...
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CWEA COLLECTION SYSTEMS MAINTENANCE GRADE 3 EXAM 80+ QUESTIONS AND CORRECT ANSWERS 2023 COMPLETE.
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CWEA COLLECTION SYSTEMSMAINTENANCE GRADE 3 
EXAM 80+ QUESTIONS AND 
CORRECT ANSWERS 2023 
COMPLETE. 
CWEA Collections System Maintenance Grade 3 
1. A Flagger should Stand? 
A. On the shoulder adjacent to traffic being controlled 
B. In the closed lane before stopping vehicle traffic 
C. In the traffic lane. 
D. As stated in "A" or "B" above.: D. As stated in "A" or "B" above. 
2. Legally responsible officials are required to report category 1 sanitary 
sewer overflows? 
A. Within 30 day...
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CETP 1.0: Module 6 Exam 2023 Questions and Answers with complete solution
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Also known as NFPA 54, the __________ covers fire prevention and installation 
standards for fuel gases, as well as the installation of piping and appliances for 
residential and commercial applciations - CORRECT ANS A. Liquefied Petroleum 
Gas Code 
B. American Standards National Institute 
C. National Fuel Gas Code 
D. Unfired Boiler and Pressure Vessel Code 
Tanks and pressure relief valves built according to the ASME code are usually 
marked with a special ASME stamp. - CORRECT ANS True 
Pro...
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NAFI CFEI Test Questions with 100% correct Answers
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The basic methodology of the fire investigation should rely on the use of a ______________________ and attention to all relevant details. 
 
a. systematic approach 
b. approximation approach 
c. methodology approach 
d. general approach - ANSWER-a. systematic approach 
 
With few exceptions, the proper methodolgy for a fire or explosion investigation is to first _____________________ then investigate the cause, circumstances, conditions, or agencies that brought the ignition source, fuel, and ox...
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