WAEC Electrical Installation And Maintenance Work Questions and Answers 2021 | Theory and OBJ- Download PDF

Filed in WAEC News by on July 25, 2021 0 Comments

WAEC Electrical Installation And Maintenance Work Questions and Answers 2021 | Theory and OBJ- Download PDF

WAEC Electrical Installation And Maintenance Work Questions and Answers 2021-If you are about to write the West African Senior Certificate Exams (WASSCE), you will realize that you need the WAEC Past Questions and Answers.

WAEC May June Sample Questions and Schemes

WAEC May June Sample Questions and Schemes

This article provides you with WAEC Electrical Installation And Maintenance Work Questions and Answers for the WASSCE 2021. It contains information regarding the WAEC Electrical Installation And Maintenance Work Theory and Objective Questions and Answers.

ELECTRICAL INSTALLATION AND MAINTENANCE WORK
EXAMINATION SCHEME

There will be two Papers, Papers 1 and 2 which will be a composite paper to be taken at one
sitting.

PAPER 1: Will consist of forty (40) multiple choice objective questions to be answered in 45
minutes for 40 marks.

PAPER 2: Will be a 2 hour 15 minutes paper covering the entire syllabus and carrying a total
of 100 marks. The paper will be in two sections; Sections A and B.
Section A: Will consist of three essay questions out of which candidates will be
required to answer two questions in 1 hour for 50 marks.
Section B: Will be a test of practical work and will contain two questions drawn from
Sections B and C of the syllabus. The questions will be answered in 1
hour 15 minutes for 50 marks.

WAEC Electrical Installation And Maintenance Work Objective Questions

1. Which of the following is not a source of danger in an electrical workshop?
A. Cable run over sharp objects
B. Ineffective earthing
C. Exposure of naked conductors
D. Installation of fire extinguisher

2. Stay wire is usually made of
A. zinc.
B. aluminum.
C. steel.
D. copper.

3. The armature windings of a d.c machine are connected to the
A. slip rings.
B. commulators.
C. terminal box.
D. stater winding.

4. Which of the following is responsible for single facing in a three phase motor?
A. Loss of phase
B. Low voltage
C. High voltage
D. Low speed

5. The space factor of conduit installation is
A. 45%.
B. 40%.
C. 35%.
D. 30%.

6. Periodic inspection of motors, controls and other electrical equipment is important because it
A. gives advance notice of impeding danger.
B. is required by the job standards.
C. is a requirement of supervision.
D. completes a day’s work.

WAEC Electrical Installation And Maintenance Work Theory Questions

ESSAY
1. (a) (i) State three causes of hazards in the workshop. [3 marks]
(ii) State two ways of preventing hazards in the workshop. [2 marks]
(b) List four safety equipment required in the workshop. [4 marks]
(c) With the aid of a well labeled diagram, draw the power diagram and control diagram
of a Direct-on-line starter connected to a 3-phase squared cage induction motor.
[6 marks]

(d) (i) What are armoured cables? [2 marks]
(ii) Give one example of an armoured cable. [1mark]
(iii) Give two reasons for amouring. [2 marks]
(e) (i) Explain briefly the term conduit wiring. [2 marks]
(ii) Outline the three main procedures for conduit installation. [3 marks]

2. (a) (i) Mention two types of test for domestic installation. [2 marks]
(ii) Why is it important to test domestic installation? [1 mark]
(iii) Mention two instruments for testing. [2marks]
(b) With the aid of a well labeled diagram illustrate a wiring diagram of a point of light
controlled by 2 Nos switches independently. [4 marks]
(c) (i) Define a.c motor. [2marks]
(ii) Give two applications of an a.c motor [2 marks]
(iii) Differentiate between d.c and a.c generator [3 marks]
(d) (i) Define the term cable jointing. [2 marks]
(ii) Explain briefly the preparation of cable for joint and termination? [3 marks]
(e) How could the test for short circuit be carried out? [3 marks]

How to Download WAEC Past Questions and Answers

WAEC Past Questions and Answers are available for download for all subjects in PDF. To download WAEC Past Questions and Answers for Electrical Installation And Maintenance Work, you only need a phone, a whatsapp account and a Gmail address.

Then call 07063986527 and drop and WhatsApp message.

Click the Link Below to download WAEC Past Questions and Answers for Electrical Installation And Maintenance Work.

Download WAEC Past Questions and Answers for all Subjects Including practical.

Disclaimer: Please note that we are not in any way affiliated to any of the organization’s mention here. Some of the organizations here do not release their past questions, so we can only compile likely questions and answers very related to the organization.

If You Want More Information, please subscribe to our email list and leave a comment with your number below, also Follow us on FacebookTwitter, and Linkedin

Enter your email to get free updates on Past Questions.

Enter your email address:

Delivered by PASTQUESTIONPDF

Subscription By Email

Tags:

About the Author ()

Past Question Pdf is an Online Educational portal created on the 5th of August 2020 to cater to the need of students and job seekers. Our website is a top-notch educational resource center with over 10000 past questions and answers on Post UTME, Recruitment, JAMB, WAEC, NECO, BECE, NCEE, GMAT, SAT, TOEFL, NABTEB, NPOWER, School of Nursing, Scholarship, etc.

Leave a Reply

Your email address will not be published. Required fields are marked *

%d bloggers like this: