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Metalwork - Exam Papers - OL - Paper - 2008
INSTRUCTIONS
1. Answer question 1, sections A and B, and any three other questions.
2. Write your answers in the space provided or tick the appropriate
box.
3. Hand up this paper at the end of the examination.
SECTION A - 20 MARKS
ANSWER ANY TEN QUESTIONS FROM THIS
SECTION
(a) |
![](../images/2008/o1a1.gif) |
This holding device is a: |
Hand Vice |
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Bench Vice |
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Leg Vice |
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Machine Vice |
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(b) |
![](../images/2008/o1a2.gif) |
This tool is a(n): |
Ring Spanner |
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Adjustable Wrench |
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Box Spanner |
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Vice Grips |
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(c) |
![](../images/2008/o1a3.gif) |
Taps are used to form: |
Internal Threads |
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Buttress Threads |
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External Threads |
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Acme Threads |
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(d) |
![](../images/2008/o1a4.gif) |
The brass used for
brazing is called: |
Spelter |
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Solder |
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Enamel |
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Flux |
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(e) |
![](../images/2008/o1a5.gif) |
Part ‘X’ is called the: |
Point |
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Face |
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Edge |
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Tang |
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(f) |
![](../images/2008/o1a6.gif) |
This technique is called: |
Parallel Turning |
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Taper Turning |
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Knurling |
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Facing |
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(g) |
![](../images/2008/o1a7.gif) |
The distance ‘X’ is called the: |
Crest |
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Flank |
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Root |
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Pitch |
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(h) |
![](../images/2008/o1a8.gif) |
A micrometer can measure to
an accuracy of: |
1 mm |
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0.5 mm |
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0.1 mm |
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0.01 mm |
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(i) |
![](../images/2008/o1a9.gif) |
This tool is called a(n): |
Outside Calipers |
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Spring Dividers |
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Odd Leg Calipers |
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Inside Calipers |
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(j) |
![](../images/2008/o1a10.gif) |
The drill point angle is: |
118° |
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90° |
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180° |
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60° |
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(k) |
![](../images/2008/o1a11.gif) |
This drawing shows a: |
Counterbored Hole |
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Contersunk Hole |
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Pilot Hole |
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Blind Hole |
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(l) |
![](../images/2008/o1a12.gif) |
Tool ‘X’ is a: |
Scriber |
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Parallel Punch |
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Centre Punch |
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Centre Square |
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SECTION B - 20 MARKS
ANSWER ALL QUESTIONS FROM THIS
SECTION
(m) |
![](../images/2008/o1b1.gif) |
(i) Name any three parts in a car engine. |
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(ii) Describe the purpose of any one of these engine parts. |
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(n) |
![](../images/2008/o1b2.gif) |
List four design features of a modern bicycle. |
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(o) |
(i):Part ‘A’ is called a: |
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(ii) The links of this chain are joined by: |
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Sprocket |
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Linkage |
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Pawl |
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Ratchet |
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Brazing |
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Screwing |
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Riveting |
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Welding |
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(p) |
(iii):This mechanism uses a: |
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(iv) Why is a bicycle chain lubricated? |
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Gear |
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Lever |
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Caliper |
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Bearing |
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(q) |
(v) This scissors jack uses a: |
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(vi) Car bodies are made from: |
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Screw mechanism |
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Ratchet mechanism |
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Cam mechanism |
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Gear mechanism |
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(a) |
(i) Complete the chart: |
Plastic Material |
Thermosetting or Thermoplastic |
List a use for each plastic |
Polyurethane |
Thermosetting |
Flexible foam for upholstery |
Polythene |
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PVC |
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Nylon |
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(ii) Which one of these metals is an alloy? |
Lead |
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Brass |
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Silver |
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Aluminium |
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(iii) Why is copper used to make electrical wire? |
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(b) |
Complete the chart: |
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The tool shown is a straight-bit soldering iron. |
Yes |
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No |
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Fluxes are used to remove oxides. |
Yes |
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No |
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Soft solders begin to melt at 800°C. |
Yes |
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No |
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Resin fluxes are used for electrical work. |
Yes |
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No |
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Soldering iron bits are made from steel. |
Yes |
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No |
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Sweating is a method of soldering. |
Yes |
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No |
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(c) |
Complete the chart: |
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Lathe work is sometimes called ‘turning’. |
Yes |
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No |
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A drill chuck can be fitted to a lathe tailstock. |
Yes |
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No |
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Lathe cutting tool bits are made from cast iron. |
Yes |
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No |
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A self-centring chuck has four jaws. |
Yes |
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No |
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A tool holder is used when knurling. |
Yes |
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No |
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A lathe can be used for screwcutting. |
Yes |
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No |
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(a) |
(i) Match the number to the correct motion type..
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![](../images/2008/o3a1.gif)
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Motion Type |
No. |
Rotary Motion |
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Linear Motion |
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Oscillating Motion |
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Reciprocating Motion |
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(ii) Name a machine in the school workshop that uses rotary motion.
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(b) |
(i) For each of the machines shown name a mechanism used in its operation. |
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(ii) If gear ‘A’ rotates at 100 RPM
how fast will gear ‘B’ rotate? |
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50 RPM |
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100 RPM |
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150 RPM |
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200 RPM |
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(iii) What is gear ‘C’ called? |
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(c) |
(i) This metal section is known as: |
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(ii) This device uses a: |
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Channel Iron |
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Angle Iron |
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Box Iron |
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Locknut |
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Grub Screw |
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Split Pin |
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(iii) This spring is in: |
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(iv) This gear arrangement is known as a: |
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Shear |
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Tension |
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Compression |
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Worm Gear |
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Gear Train |
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Bevel Gear |
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(v) Part ‘X’ is a: |
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(vi) The linkages used are: |
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Perpendicular |
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Parallel |
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Fixed |
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Details of a roller used in the manufacture of a model steamroller are shown. |
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(i) List the tools and processes used to form the M4 threads in the roller. |
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(ii) What does M4 mean? |
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(iii) Describe how you would form the 3mm undercut in the roller. |
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(iv) What precautions should you take when soldering the electric circuit? |
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(v) Describe how you would accurately mark out the centre of the drill holes in the boiler bracket. |
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(vi) What is the overall length of the boiler bracket? |
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(vii) What is distance ‘X’? |
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(a) |
(i) This toy truck uses a motor to turn the front axle. A switch and a battery are also
used in the truck. Draw the electrical circuit diagram for the truck. |
Draw the circuit in this box |
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(ii) Complete the chart: |
A battery is made up of a number of cells joined together. |
Yes |
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No |
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The current supplied by a battery is called Alternating Current (AC). |
Yes |
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No |
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In an electronic system, a buzzer is an output device. |
Yes |
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No |
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An ordinary bulb has a tungsten filament. |
Yes |
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No |
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(b) |
(i) A heater converts electrical energy into: |
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(ii) This component is a(n): |
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Chemical Energy |
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Mechanical Energy |
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Heat Energy |
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(iii) This device is a: |
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(iv) A mouse is a(n): |
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Output Device |
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Input Device |
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Process Device |
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(v) This component is a(n): |
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(vi) Part ‘X’ is a: |
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Transistor |
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Integrated Circuit |
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Relay |
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(c) |
Complete the chart by matching the inventor(s) to the achievement.
Inventors: Henry Ford, John Dunlop, John P. Holland, Wright Brothers. |
Achievement |
Inventor(s) |
1. Aeroplane |
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2. Submarine |
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3. Pneumatic Tyre |
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4. Mass Production |
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(i)This drawing shows a kitchen book holder. Name a metal suitable
for making the rods ‘X’ and ‘Y’. Give a reason for your choice. |
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(ii) Describe how you would join the metal rods at ‘Z’. |
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(iii) Using the chart below describe one shaping process, one finishing
process and name the tools used to make the kitchen book holder. |
Shaping Process : |
Tools Used : |
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Finishing Process : |
Tools Used : |
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(iv) Draw a sketch to show how you would modify the book holder to make it safer. |
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(v) Match the household item to the correct material. |
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Item |
No. |
Cast Iron |
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Aluminium |
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Stainless Steel |
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Polyethylene |
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Nylon |
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Brass |
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