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PRE-JUNIOR CERTIFICATE EXAMINATION, 2011

MATERIALS AND TECHNOLOGY

METALWORK

Higher level – 100 Marks

Duration 1 hour 30 minutes

INSTRUCTIONS

  1. Answer Question 1, Section A and B, and three other questions.
  2. Write your answers in the spaces provided or tick the appropriate box.
  3. Hand up this paper at the end of the examination.

MAKE SURE TO WRITE YOUR EXAMINATION NUMBER IN THE

BOX PROVIDED ON THIS PAGE

1

http://www.simplifydiy.com/app/view/images/tools/adjustable-spanner-150.jpg

Question 1 -40 marks

SECTION A - 20 MARKS

ANSWER ANY TEN QUESTIONS FROM THIS SECTION

This tool is a :

Tap Wrench

Ring Spanner

Box Spanner

Adjustable spanner

2

http://www.aluminium.matter.org.uk/content/media/images/thr-trouBorgne.jpg

This hole is a :

Pilot Hole

Blind Hole

Countersunk

Counter bored

3

http://www.diracdelta.co.uk/science/source/a/c/acme%20thread/image001.jpg

This thread form is a :

ISO Metric

ACME

Buttress

Square

4

http://www.hor-i-zon.com/catalog/images/KL-020165IS.jpg

This tool is a :

Straight Snips

Curved Snips

Bench Shears

Combination Pliers

5

http://www.littlemountaincarving.com/catalog/images/Inside%20Caliper.jpg

This measuring tool is a:

Outside Callipers

Inside Callipers

Odd Leg Callipers

Vernier Callipers

6

http://www.technologystudent.com/images2/knurl3.gif

This lathe technique is known as:

Knurling

Parting

Facing Off

Drilling

7

http://www.atr.com.my/store/images/M10%20Ball%20Pein%20Hammer%201.5lbs.jpg

This hammer is known as a:

Ball Pein

Mallet

Sledge

Cross Pein

8

http://myword.info/images/ch_head_1b.jpg

This screw head is known as:

Hexagonal

Round

Cheese head

Countersunk

9

http://t1.gstatic.com/images?q=tbn:dJW9xpzPy5GfDM:http://www.practicalstudent.com/subjects/metalwork/benchtools/images/macinevice.gif&t=1

The vice shown in this figure is known as:

Bench Vice

Machine Vice

Hand Vice

G-Clamp

10

http://upload.wikimedia.org/wikipedia/commons/6/60/Diod_LED_symbol.png

This electronic symbol represents a:

Buzzer

LED

Switch

LDR

11

What part of the engineers lathe is shown in this diagram:

Tailstock

Headstock

Apron

Tool post

12

What does this safety symbol represent:

Goggles

Toxic Waste

Flammable

Fire Drill

Question 1B – Answer all 5 parts of this question (20 marks)

  1. List a suitable material for each item in the boxes provided below:

http://www.forrmobility.co.uk/Products/DailyLivingAids/supa%20grip%20plug.gif

http://www.china-electrical-wire.com/photo/product4/740318/Stranded-Copper-Wire.jpg

Drinks Can

Drill Bit

Plug Pin

Electrical Wire

  1. Name the four energy saving steps shown in the pictures below:

(C)

Why is oil used in a car engine?

Give 2 reasons why it is necessary to keep an engine well lubricated.

1.

2.

(D)

Name the bicycle part shown in the diagram:

Sprocket

Give ONE disadvantage of the bicycle mechanism shown in the diagram:

Pawl

Ratchet

Lever

(E)

Briefly describe ONE of the following electrical terms:

Voltage, Current, Resistance

Name the 3 terminals of a standard plug:

________________________________________...

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