NICET ELECTRICAL POWER TESTING LEVEL 1
EXAM QUESTIONS & CORRECT ANSWERS
What are the classifications of Fire Extinguisher? - ANSWER-A: Wood and cloth
B: Flammable liquids
C: Electrical Equipment D: Metallic Fires
K: Kitchen fires
What Are the steps for using a fire extinguisher? - ANSWER-P-A-S-S Pull the pin; Aim the nozzle; Squeeze the trigger; Sweep extinguisher back and forth over the fire.
What are the different types of fire extinguishers, and what classification do they fall under? - ANSWER-Water extinguishers (A only) Dry chemical extinguishers (A, B, C) Carbon Dioxide (CO2) extinguishers (B, C)
What is the primary importance of displaying safety signs and labels? - ANSWER- to prevent injury and ensure everyone is aware of the possible dangers and hazards ahead in certain situation.
What is the definition of a product safety sign or label? - ANSWER-An identifier affixed to a product that provides safety information.
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What does a product safety sign consist of? - ANSWER-Border: White or safety
black
Format: horizontal or vertical formatting
message Pannel: word message containing all information.
Pannel shape: dependent on space
Signal word: contains signal word or alert symbol.
What is a warning sign? - ANSWER-Type of sign that indicates potential hazards.(DANGER, WARNING, CAUTION, NOTICE, and SAFETY INSTRUCTIONS)
The arc flash incident energy depends on what elements? - ANSWER-intensity distance duration
What is the Flash protection boundary? - ANSWER-It is the farthest set boundary where a person can get 2nd degree burns (1.2cal/cm2) if energized conductor is exposed must wear PPE.
What is the limited approach boundary? - ANSWER-is the limited distance of exposed live components an unqualified person can stand.
What is the restricted approach boundary? - ANSWER-The restricted approach boundary is the distance from an exposed part which is considered the same as making contact with the live part.
What are the elements to an arc flash label? - ANSWER-Warning label
incident energy: the energy felt at the working distance.
Working distance: the distance between the possible arc point
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