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What is technology?

It is a practical use of science in our lives

1

What are the advantages of technology?

Convenient less labour
More time for friends and family
Hygienic
Better communication
Better security
Good entertainment

2

What are the disadvantages of technology?

Expensive
Difficult to handle and clean
Disposing machines bad for enviroment
Jobs can be better by hand
Spelling skills are lost

3

How do you choose household appliances?

Cost, energy efficiency, quality, safety, needs, specifications, design, guarantee, after-sales service

4

What are the main types of household appliances?

Appliances with a motor,
Appliances with a heating element
Big appliance with both an element

5

What are the features of a an electric hob?

Dual rings
Halogen rings
Induction hob
Split level

6

What are the features of a gas hob?

Surface composition grill, push button ignition, pilot light

7

What are the functions of halogen rings?

It heats up quickly, easy to control

8

What is the function dual ring?

Only heats up one ring, uses less energy

9

What is the function of the induction hob?

It only heats the saucepan doesn't burn hand

10

What is the functions split level?

oven is separate to the hob could be in eye level or lower

11

What is the function of a surface combustion grill?

Small flames over the heating surface to give a larger grilling area

12

What is the function of a pilot light or push button ignition

To light a gas cooker

13

What ar the features of an electirc or gas grill

Dual grill

14

What is the function of a dual grill

Allows one half of the grill to be used for small amounts of food

15

What are the features of an electric and gas oven?

Glass-panelled external oven door, removeable drop-down door and oven roof, cool touch doors, stay-clean or self-cleaning oven linings

16

What are the functions of a removable drop-down door or oven roof

For easy cleaning

17

What are the functions of a cool touch doors

For safety

18

What is the function of a stay clean or self cleaning oven linings

To keep it clean for longer

19

What are the features of an electric oven?

Multifunction ovens, auto timer

20

What is the feature of a multifunction oven

Adjusts to suit different cooking conditions

21

What is the function of an auto timer

Pre-set to switch itself on and off automatically

22

What is the feature of a gas oven?

Oven flame-failure device

23

What is the function of the oven flame failure device?

Safety feature to stop gas flow if burner goes out

24

What is the function of the thermostat

It keeps the oven at the temperature set on the control dial

25

Name the three transfers of heat?

Radiation, conduction and radiation

26

What type of heat transfer does the hob do?

Conduction

27

What type of heat transfer does the grill do?

Radiation

28

What type of heat transfer does the oven do?

Convection

29

List five guidelines used to care for a cooker

Wipe spills.
Wipe grill pan ater use
Don't drag heavy saucepans on the hob
Avoid harsh cleaning agents
Special cleaner for ceramic hobs