• Wrong document? Swap it for free
  • Written by students who passed
  • Immediately available after payment
  • Read online or as PDF
  • 4.6 TrustPilot
0
Sell
Where do you study
Your language
Start selling Create your account
  • EWRB
  • EWRB
To add items to your wishlist, you must be logged in
Document preview thumbnail
Preview 1 out of 3 pages
Exam (elaborations)

EWRB theory prep – MCBs Exam Questions with Complete Solutions

0.0
(0 reviews)
- sold
3 pages
2024/2025 Written for academic year
Institution EWRB
Course EWRB
Document preview thumbnail
Preview 1 out of 3 pages

EWRB theory prep – MCBs Exam Questions with Complete Solutions

Content preview

EWRB theory prep – MCBs Exam
Questions with Complete Solutions

describe (A. trip operating unit ) component function - ANSWER bi-metal/mag. provides

mechanism for detection of fault current and opens contacts



describe (B. control contacts unit ) component function - ANSWER contacts allows the

supply current to flow during normal running when MCB is closed



describe (C. arcing ext. unit ) component function - ANSWER all inclusive factors -

horns, chamber chutes, oils, splitter plates, used to control and extinguish fault arc



describe (D. frame unit ) component function - ANSWER molded case exterior provides

a rigid, mechanically strong, insulated housing for MCB parts



Low Voltage MCB rating - ANSWER 600V



circuit breaker contacts cannot be made of ____ - ANSWER iron. heat breakdown & low

CCA



circuit breaker purpose - ANSWER detect SC/OL and break contact on fault detection

Document information

Uploaded on
September 13, 2024
Number of pages
3
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers
Report Copyright Violation
$11.99
Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF
Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
KenAli
2.6
(18)
Sold
121
Followers
5
Items
25960
Last sold
1 day ago
Available in package deal
Product Image
Package deal
EWRB EXAMS BUNDLE all with Questions and Complete Solutions
-
-
Sold
4
item
Nov 2024
$50.26
$23.49
53% off More Info

Browse related subjects

Subjects

  • ewrb theory prep mcbs exam questions with comple

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Learn more Create citation
Working on your references?

Frequently asked questions