Tech - cookers Flashcards
Parts of cooker
Hob - four solid hotplates, coiled rings/ceramic plates
Grill - eye or waist level
Oven - heated by elements at back/sides or gas flame at bottom
thermostat functions
keeps oven at temp set on control dial (maintains constant temp)
prevents over production of heat
energy saving mechanism
features of modern cookers - electric hobs
Economy dual rings - small saucepans
induction hob - create heat in saucepan
split-level cookers - hob set in worktop, oven separate
Features of modern cookers - electric + gas grills
dual grill - allows 1/2 of grill for use for small amounts of food
Features of modern cookers - Electric + gas ovens
stay-clean or self-cleaning oven linings
Features of modern cookers - electric ovens
clock + auto-timer.
May be pre-set to switch on + off automatically
Features of modern cookers - Gas ovens
Oven flame - failure device (stop gas flow if burner goes out)
Methods of heat transfer
Hob heats saucepan - conduction
Liquid in saucepan heats - convection
Grill - radiation
Oven - convection
Care + maintenance of cookers
1 Wipe up spills immediately
2 Wipe out frill pan after use
3 Never drag heavy saucepans across hob - scratches
4 Avoid harsh abrasive cleaning agents on surface - damage enamel + chrome
5 Special cleaner - ceramic hobs
6 When cleaning - wash out, rinse, dry, dont forget spill tray under hob
positioning a cooker
near gas/electric connection
away from draughts
do not place beside fridge/end of line of units
choosing a cooker
1 Gas/electric - where u live, fuel availability
2 Gas - heats quickly, easily controlled. Not as clean as electric
3 Freestanding/separate oven + hob
4 Electric - type of hob: ceramic, solid plate, coiled ring
Ways to save energy using a cooker
Do not turn on oven - small food amounts
Dual rings - small saucepans
Dual grill - small food amounts
Turn off oven - last 10 mins, use residual heat
Oven door closed
Use saucepan lids
Cookers
Fueled by gas/electricity/combination
