Ewrb theory exam prep - Study guides, Class notes & Summaries

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...

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

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...

EWRB theory prep – MCBs Exam Questions with Complete Solutions

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

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

EWRB theory prep – MCBs EXAM well updated 2024 with questions and correct answers circuit breaker purpose - CORRECT ANSWERdetect SC/OL and break contact on fault detection at short circuit, PSCC fault occurs, what operating mechanism is used - CORRECT ANSWERmagnetic field two operating mech. of MCB is - CORRECT ANSWERmagnetic and thermal bedroom lighting MCB - CORRECT ANSWER16C for bedroom lighting powerpoints MCB - CORRECT ANSWER32/20C for powerpoints and appliances, e.g....