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Flashcards in Technology In The Home Deck (58):
0

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

30

List four guidelines used for choosing a cooker

Gas or electricity cookers depends on availibilty on fuel
Gas ones heat quick easy to control electric ones are cleaner
Choose a freestanding cooker or a separate oven and hob
For an electroc cooker decide on a ceramic hob, solid plate or coiled ring

31

What are the three guidelines used to place the cooker

Place cooker near gas or electric connection
Gas cookers should be place away from draughts
Don't place cook near the fridge or at the end of a line units

32

What appliance does a refrigerator use

Motor

33

How does a refrigerator keep food cold

Because of the liquid refrigerant

34

How does the the liquid refrigerant keep food cool?

It takes heat from food and the air inside the refrigerator

35

What are the functions of a refrigerator?

Keeps perishable food fresh for longer
Reduces wastage of leftover food
Less shopping
Protects food from flies and dust
Reduces risk of food poisoning
Stores frozen foods or freezes fresh foods in freezer

36

What are the features of a refrigerators?

Integrated door panel, adjustable feet, movable plastic coated shelves,
Cold drinks dispenser, split shelves, wine rack, ice dispensers, zoned refrigeration, automatic defrost

37

What is the function of an intergrated door panel?

To match other kitchen fittings

38

What is the function of adjustable feet?

To adjust height

39

Movable plastic coated shelves

To fit large items

40

Cold drinks dispenser

For convenience

41

Split shelves

To store taller items

42

Wine rack

To chill wine bottles horizontally

43

Ice dispensers

For convenience

44

Zoned refrigeration

Different parts may have different temperature

45

Automatic defrost

Prevents build up of ice

46

Name five guidelines used to use a refrigerator?

Cooker must be away from refrigerator
Cover food before refrigerating
Wrap strong smelling foods
Don't refrigerate fruit, or root vegetables
Don't refrigerate hot foods

47

Name three guidelines that can be used to care a fridge

Defrost regularly
Clean inside with 1tbsp bread soda and 1/2 litre of warm water
Wash, dry and polish the outside

48

What are the five guidelines used to buy a refrigerator?

Choose one large enough for the family
Decide refrigerator or fridge-freezer
Ensure there is enough space
Consider method of defrosting
Note star rating on frozen food compartment

49

What temperature and how long would the food last with the star
a)*. Rating
b)**
c)***
d)****

a)*= -6C stores frozen food for a week
b)** = -12C stores frozen food for a month
c)*** = -18C stores frozen food for three months
c)**** = -18C to -25C stores frozen food for a year

50

How does the microwave heat food?

It energy waves that are attracted to water and fat molecules, it enters the food and the food molecules vibrate to cause friction that produces heat

51

What are the uses of the microwave?

Defrosting
Cooking
Reheating
Melting
Softening

52

What are the advantages of a microwave oven?

Quick and convenient
Healthy
Saves washing up
Food keeps its colour

53

What are the disadvantages of a microwave oven

Bad for big pieces of food
Does not brown food
Can't tenderise tough cuts of meat
Foods can be over cooked easily

54

What are the six guidelines used to use a microwave oven?

Follow instructions. Allow standing time
Size, thickness quantity of food influences cooking time
Cover foods
Pierce food with the skin
Arranger food in a circle

55

Name two guidelines used to buying a microwave ven?

Consider points in pg324
The wattage

56

What are the features of a microwave oven?

Turntables, dial controls/push button, automatic programming, temperature probe, auto-weight defrost, browning dish, browning element child lock

57

Standing time

Leave the to stand outside the oven for a few minutes before eating. Food continues to cook in this time