Electrical Group Training, Sample Aptitude Test Questions

Electrician Training Perth, WA, Electrical Apprenticeships Western Australia, Electricians Perth, Electrotechnology industry

Aptitude Sample Questions

Questions 1 - 8

Question (1)

The following paragraphs are from a first year apprentice workbook.

Read the paragraphs and answer the questions.

Included in this workbook are review questions and practical assignments for each of the eight sections of this learning module. The review questions will test your knowledge and can be attempted either as homework or as the teacher directs. The answers to the questions are also included at the end of the workbook. The practical assignments will form part of each lesson and will allow you to practice what you have learnt. These assignments will also train you to use electrical measuring equipment and how to work on an electrical circuit with safety.

At the end of the module you’ll be given a competency test. You need to pass all sections of the test to pass the module. If you fail any of the parts, you’ll be allowed a retest, of the incomplete sections. Each test has a number of parts, in which a certain number of questions need to be answered correctly.

a) How many sections are in the learning module?
Answer:

b) When will you do the practical assignments?
Answer:	Will be done on the work site.
	Will form part of each lesson.
	Will be done at home.
	Will be done when you feel like it.

c) If you fail one section of the test, do you have to re sit the whole test?
Answer:	No
	Yes

Question (2) Order of Operations

Answer the following:

a)

6 + 4 X 2

=

b)

21 ÷ 7 – 4

=

c)

(12 + 4) ÷ 4

=

d)

(5 – 8)²

=

e)

2 (10 – 4) X 3

=

f)

8 + 3 X 4 ÷ 2 – 1

=

Question (3) Arithmetic

          Answer the following:

a)     i)

7 + 8

=

ii)

9 + 12

=

b)     i)

18 – 7

=

ii)

112 – 93

=

c)     i)

6 X 7

=

ii)

11 X 12

=

d)     i)

24 divided 8

=

ii)

72 divided 12

=

e)     i)

8²

=

ii)

Ö9

=

iii)

Ö169

=

Question (4) Percentage

a)	10% of $628	=
b)	20% of $200	=

Question (5) Estimation

An electrician is employed to wire twelve identical residential units. Each unit requires sixty-two metres of 2.5mm² cable to wire the power circuits.
2.5mm² cable is sold on 100 metre drums.

Estimate how many drums of 2.5mm² cable are required to wire the power circuits in all of the units.

Answer:

Question (6) Transposition

Transpose the following:

(Please use capital letters for your answers)

a)	R_T R₂	= =	R₁ + R₂

b)	I V	= =	V R

PYTHAGORAS’ THEOREM

The following diagram is a right-angled triangle.
	A
		B
The length of the sides of the triangle can be calculated using the formula. C² = A² + B²

Question (7)

(Please round answers to the second decimal place)

a)	Calculate the length of side C
		5cm
			8cm
	Answer:	C =

TRIGONOMETRIC RATIOS

The length of the sides and the angles within a right-angled triangle can be determined using trigonometry.

Opposite

Adjacent

Sin f = Opposite	Cos f = Adjacent	Tan f = Opposite
Hypotenuse	Hypotenuse	Adjacent

Question (8)

a)	Determine the length of the side marker Z.

			14cm
	Answer:	Z =