Ewrb theory exam prep - Study guides, Class notes & Summaries
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EWRB THEORY PREP - MCBS EXAM QUESTIONS WITH ANSWERS 100% GUARANTEED PASS LATEST UPDATE
- Exam (elaborations) • 5 pages • 2024
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EWRB THEORY PREP - MCBS EXAM QUESTIONS WITH ANSWERS 100% GUARANTEED PASS LATEST UPDATE 
types of MCB trips 
thermal 
magnetic 
thermal tripping 
bi-metal strip, used for overload currents protection 
magnetic tripping 
magnetic inductor, used for short circuit protection 
reset procedure 
reset to OFF 
reset to ON 
arc containment includes 
horns carry current to chute, allow arc to jump out 
arc chute lengthens distance for arc to travel 
oil suppresses arc 
splitter plates split the arc 
arc c...
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EWRB THEORY PREP - LOTO EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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EWRB THEORY PREP - LOTO EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED 
LOTO 
Lock Out Tag Out 
examples for protective /isolating device 
Disconnect Switch, MCB, Line valves 
LOTO tags must _____ the employee 
IDENTIFY employee 
LOTO devices shall be standard 1,2,3 
1, colour 
2, shape 
3, size 
LOTO procedures can only b performed by ______ 
authorized employees 
4 stored energy sources include 
1, springs 
2, hydraulics 
3, tension 
4, electricity 
purpose of LOTO 
To prevent the...
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EWRB THEORY PREP RCD SPECS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
- Exam (elaborations) • 3 pages • 2024
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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 PREP (2024) LATEST QUESTIONS & ANSWERS (GRADED A+)
- Exam (elaborations) • 3 pages • 2024
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS (GRADED A+) 
types of MCB trips - correct answer>>>thermal 
magnetic 
 
thermal tripping - correct answer>>>bi-metal strip, used for overload currents protection 
 
magnetic tripping - correct answer>>>magnetic inductor, used for short circuit protection 
 
reset procedure - correct answer>>>reset to OFF 
reset to ON 
 
arc containment includes - correct answer>>>horns carry current to chute, all...
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EWRB theory prep - MCBs exam with complete solutions 2024_2025
- Exam (elaborations) • 2 pages • 2024
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EWRB theory prep - MCBs exam with complete solutions 2024_2025
Make study stress less painful
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EWRB theory prep – MCBs Exam Questions with Complete Solutions
- Exam (elaborations) • 3 pages • 2024
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- $11.49
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EWRB theory prep – MCBs Exam 
Questions with Complete Solutions
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EWRB theory prep – LOTO Exam Questions with Complete Solutions
- Exam (elaborations) • 4 pages • 2024
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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
-
EWRB theory prep – MCBs Exam Questions with Complete Solutions
- Exam (elaborations) • 3 pages • 2024
- Available in package deal
-
- $8.99
- + learn more
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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EWRB THEORY PREP EXAM BRAND NEW EXAM(LATEST UPDATE 2024-2025)|VERIFIED EXAM QUESTIONS AND CORRECT ANSWERS ALL GRADED A+|GUARANTEED SUCCESS
- Exam (elaborations) • 10 pages • 2024
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EWRB THEORY PREP EXAM BRAND NEW EXAM(LATEST UPDATE )|VERIFIED EXAM QUESTIONS AND CORRECT ANSWERS ALL GRADED A+|GUARANTEED SUCCESS 
 
 
 
 
 
 
 
 
What is the minimum value of the permitted test result for the insulation resistance test of a three-phase, 400V, mains cable? - ANSWER-1MΩ 
 
 When carrying out testing on a low voltage electrical installation, which document details the tests and checks required to be carried out? - ANSWER-AS/NZS 3000 
 
 What is the minimum or maximum test result ...
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EWRB THEORY EXAM PREP LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT (2024)
- Exam (elaborations) • 10 pages • 2024
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EWRB THEORY EXAM PREP LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT (2024) 
 
 
 What is the minimum value of the permitted test result for the insulation resistance test of a three-phase, 400V, mains cable? - Correct Answer 1MΩ 
 
When carrying out testing on a low voltage electrical installation, which document details the tests and checks required to be carried out? - Correct Answer AS/NZS 3000 
 
What is the minimum or maximum test result value you would consider acceptable for an ...
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