Activity Sheet Solutions

Activity Sheet Solutions Health & Safety 2 Q. 1 Only one person at a time allowed on the machine Wear safety goggles when drilling Grip the metal tightly in the vice Q. 2 To prevent accidents Q. 3 Keep the area well ventilated Do not spray near a flame Wear a face mask Q. 4 Press the emergency button and tell the teacher Q. 5 To prevent a rash on your hands To be hygienic Q. 6 The Emergency Exit should be ladled Q. 7 The Assembly Point for your school is outside Q. 8 Dry powder, Carbon Dioxide (CO 2 ) or Foam Q. 9 Radioactive, Wear gloves, wear Safety Boots, Hard Hat Area Metals 15 Q. 1 Metals come from rocks in the ground Q. 2 Ore Q. 3 Blast Furnace Q. 4 Basic Oxygen Furnace Q. 5 High Carbon Steel Q. 6 High Speed Steel Q. 7 Alloy Steel Q. 8 The Blast Furnace drawing is on page 6 Measuring & Marking Out Tools 18 Row 1 Jenny Calipers Used for drawing lines parallel to an edge Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Dividers used for drawing circles on metal Compass & protractor used for drawing lines & circles on soft metal & plastic Scriber Used for drawing lines Centerpunch Used for marking the centre of holes for drilling and for outlines Try Square Used for drawing lines at 90 degrees Tape Measure Used for measuring

22 Q. 1 Hammer Q. 2 File drawing on P 21 Q. 3 Vice Q. 4 Pliers Q. 5 Hacksaw Q. 6 Spanner Q. 7 Screwdriver drawing on P 21 Q. 8 Snips 26 Q. 1 Nuts & Bolts Q. 2 Die Q. 3 Tap Bench Tools Threads Q. 4 Ring, Open End, Adjustable or Socket Spanners Q. 5 Length, Size,Type of head, material it is made from E.g. M20 x 60 Hexagonal head Stainless steel Q. 6 Nut & Bolt shown on P 25 Q. 7 Four spanners are shown on P 25 28 Q. 1 Lead & Tin Q. 2 183 Q. 3 Flux Q. 4 Clean Close together Q. 5 Soldering iron Soldering gun gas flame Q. 6 Plumbing Soldering Q. 7 Cool hot metal when finished Always switch off the soldering iron or gun when finished Do not breath in the soldering fumes Q. 8 Soldering gun shown on P 27

30 Q. 1 Brass Q. 2 Gas blowtorch Q. 3 900 degrees Q. 4 Flux Q. 5 Tongs Q. 6 Gas Q. 7 Gas blowtorch shown on P 29 Q. 8 32 Q. 1 Same Q. 2 Electricity & gas Q. 3 Flux Q. 4 Transformer Q. 5 Chipping hammer shown on p 31 Brazing Welding Q. 6 Welding Mask, welding rod, transformer, Electric arc welding Drilling Machine 36 Q. 1 Missing words V Belts and Pulleys are inside the cover, Motor, Feed Lever, Chuck, Table, Base, Bench Drilling Machine Q. 2 Chuck Q. 3 Electric motor Q. 4 V belts Q. 5 Goggles Q. 6 Hand vice shown on P 35 39 Row 1 Countersink Row 2 Pilot Row 3 washer Row 4 Threads Row 5 Sheet metal Row 6 Thick metal Drilling operations

43 Q. 1 Round Lathe Q. 2 Turning, taper turning, facing off, parting off, drilling Q. 3 Choose from headstock, tailstock, chuck, toolpost Q. 4 Safety glasses or goggles Q. 5 Row 1 Drilling Row 2 Turning Row 3 Facing off Row 4 Taper Turning Row 5 Parting off Power tools 47 Q. 1 Can be Electric, battery, pneumatic, engine Q. 2 Angle grinder, drilling machine, jigsaw, compressor Q. 3 Battery Q. 4 Engine Q. 5 Pneumatic 51 Q. 1 Oil or gas Plastics Q. 2 Thermoplastics & thermosetting plastics Q. 3 Thermoplastics Acrylic car rear lights, clothes Polystyrene yoghurt cartons, disposable cups PVC window frames, toys Nylon Gears, Clothes Polyethylene Plastic squeezy bottles Thermosetting plastics Polyester resin used in making & repairing boats Polyurethane varnish, foam cushions Urea P. Plug tops, switch covers Q. 4 Thermoplastics Q. 5 Items made form PVC shown on P 50.

Wood 53 Q. 1 Trees Q. 2 Natural & man made Q. 3 Hardwood & Softwood Q. 4 Pick from beech, mahogany, ash, teak, oak Q. 5 White deal, red deal, pine, larch, spruce Q. 6 Carpenter Q. 7 Claw Hammer, saw, chisel, electric circular saw Sheet Metal 59 Q. 1 Thin Q. 2 Guillotine Q. 3 Snips Q. 4 Fridge, cars, drink cans, saucepans, baking trays, filing cabinets Q. 5 Gloves Q. 6 Hand vice Q. 7 Wooden mallet shown on p56? Q. 8 Plastic hammer Q. 9 Pick from Brass, steel, copper, stainless steel, aluminium 62 Q. 1 Strong Q. 2 Blacksmith Q. 3 Forge Q. 4 800 degrees Q. 5 Goggles Q. 6 Spanner shown on P 61? Forging Q. 7 Foam, dry powder, water, CO 2 Q. 8 Anvil, tongs

66 Q. 1 AC, DC Q. 2 220 Q. 3 Battery, transformer Q. 4 Electrician Q. 5 Multi-meter Q. 6 Row 1 AC Row 2 DC Row 3 AC Row 4 DC Row 5 AC Electricity 69 Q. 1 Earth Yellow & Green Neutral Blue Fuse Live Brown Cable clamp Three-Pin Plug Q. 2 E = Earth Colour: Yellow & Green L = Live Colour: Brown N = Neutral Colour: Blue 73 Q. 1 Circuit Electronics Q. 2 LED, Resistor, diode, bulb, transistor, microchip, capacitor, LDR Q. 3 Light Emitting Diode Q. 4 Bulb or LED Switch Battery Q. 5 Switch, Resistor, LED, Battery

77 Q. 1 Strong Q. 2 High carbon steel Heat Treatment Q. 3 Scriber, Centerpunch, chisel, spanner, hammer, screwdriver Q. 4 Hardening, Tempering Q. 5 Red, water Q. 6 Polished Q. 7 Straw Q. 8 Tongs Q. 9 Gas Q.10 Tongs shown on P 76 Computers 81 Q. 1 Typing up projects, drawing exercises, storing information, playing CDs or DVDs, scanning, working a CNC lathe. Q. 2 The piece can be made over & over again The machine will not make any mistakes The pieces are made quickly Q. 3 Stepper Motors Q. 4 Monitor Q. 5 Monitor, CPU, Mouse, Keyboard Scanner Floppy Disks, CD, Printer 85 Q. 1 Computer aided Design Q. 2 Computer aided Manufacture Q. 3 Simulation, mistakes Q. 4 CNC Lathe CAD/CAM Q. 5 It can makes things quickly It can make thousands of pieces There is no human error It is easy to design a part on the computer You can store all the designs in the computer Q. 6

Design 89 Q. 1 It means finding out a good idea to make something Q. 2 What material will I make it from? How will I join the pieces together? Is it for outside or inside What is it going to be used for? Am I able to make it? What finish will I put on it? Q. 3 Research Q. 4 Doing some sketches of your ideas Q. 5 Measurements & Notes Q. 6 It means looking at the finished job and saying what you think was good or bad about it what would I change if I were making it again? Q. 7 Hint: Measure some pens and find out what size they are. Where are you going to use your penholder? 93 Q. 1 Battery, starter motor Q. 2 Petrol Q. 3 The pistons Q. 4 The crankshaft Q. 5 The con-rod Q. 6 A mechanic Car Engine Q. 7 It causes a spark that explodes the petrol in the cylinder Q. 8 Piston & con-rod shown on page 92 Car Engine 97 Q. 1 Name the parts Find the matching words for the parts on P 96