Ewrb theory - Study guides, Class notes & Summaries
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EWRB ELECTRICAL THEORY EXAM (JOURNEYMAN SIMULATED EXAM) LATEST QUESTIONS WITH 100% CORRECT ANSWERS!!
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EWRB ELECTRICAL THEORY EXAM (JOURNEYMAN SIMULATED EXAM) LATEST QUESTIONS WITH 100% CORRECT ANSWERS!!
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EWRB THEORY PREP RCD SPECS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
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EWRB THEORY PREP RCD SPECS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ 
RCD type AC 
detects and prevents imbalances in AC 
RCD personal protection (type ii) 
30mA, 300ms 
RCD property protection (PRCD) 
300mA
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EWRB Theory Exam Questions with Complete Solutions
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What does BJT stand for? - ANSWER Bipolar Junction Transistor 
What does the transducer do? - ANSWER converts energy from one form to another 
State one factor that determines voltage drop - ANSWER Length of cable 
State one reason why a class 1 electrical appliance is set at a maximum of 1 ohm - 
ANSWER It prevents the touch voltages rising to dangerous levels 
State the test voltage used for carrying out an insulation resistance test. - ANSWER 
500V DC
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EWRB theory prep – LOTO Exam Questions with Complete Solutions
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LOTO - ANSWER Lock Out Tag Out 
examples for protective /isolating device - ANSWER Disconnect Switch, MCB, Line 
valves 
LOTO tags must _____ the employee - ANSWER IDENTIFY employee
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EWRB theory prep – MCBs Exam Questions with Complete Solutions
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types of MCB trips - ANSWER thermal 
magnetic 
thermal tripping - ANSWER bi-metal strip, used for overload currents protection 
magnetic tripping - ANSWER magnetic inductor, used for short circuit protection 
reset procedure - ANSWER reset to OFF 
reset to ON
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ELECTRICAL THEORY EWRB EXAM (2024) QUESTIONS WITH COMPLETE ANSWERS!!
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ELECTRICAL THEORY EWRB EXAM (2024) QUESTIONS WITH COMPLETE ANSWERS!!
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EWRB BASIC ELECTRICAL THEORY FINAL EXAM 2024 QUESTIONS WITH ANSWERS SCORED A+
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EWRB BASIC ELECTRICAL THEORY FINAL EXAM 2024 QUESTIONS WITH ANSWERS SCORED A+
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EWRB Theory Exam Prep Questions with Complete Solutions
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EWRB Theory Exam Prep Questions with 
Complete Solutions
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EWRB Theory Exam Questions with Complete Solutions
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EWRB Theory Exam Questions with 
Complete Solutions
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EWRB theory prep – MCBs Exam Questions with Complete Solutions
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EWRB theory prep – MCBs Exam 
Questions with Complete Solutions
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