Technology In The Home

Question 0

Name the features of a cooker

Answer 0

A hob
A grill
An oven

Question 1

What can cookers be fuelled by?

Answer 1

Cookers can be fuelled by gas, electricity or by a solid fuel

Question 2

Name the features of a hob

Answer 2

Dual rings,split level cookers,halogen rings and an induction hob

Question 3

Name the features of a grill

Answer 3

A dual grill

Question 4

Name the features of an oven

Answer 4

Glass-panelled external door

Self-cleaning linings

Removable drop-down door

Cool touch doors

Question 5

Name the features that are specific to electric ovens

Answer 5

Multifunction ovens and an auto timer

Question 6

Name the features specific to a gas oven

Answer 6

An oven flame-failure device

Question 7

What does a thermostat do in the oven ?

Answer 7

A thermostat keeps the oven at the temperature set on the control dial.

Question 8

What are the methods of heat transfer in a cooker??

Answer 8

Conduction
Convection
Radiation

Question 9

What is conduction?(eg)

Answer 9

Heat transferred along a solid object

Eg-Hob/pan on a hob

Question 10

What is convection??

Eg

Answer 10

Air(or liquid) is heated and rises from the heat source and cool air (or liquid) replaces it.

Eg-an oven

Question 11

What is radiation

Eg

Answer 11

Heat rays travel in straight lines and heat the first object they hit

Eg-A grill

Question 12

MICROWAVE OVENS

Answer 12

.

Question 13

What are microwaves?

Answer 13

Microwaves are waves that are attracted to water and fat molecules in food.
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They enter the food and make the food molecules vibrate,causing friction.
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This friction produces heat in the food.
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Question 14

Name the uses of microwave ovens

Answer 14

Defrosts frozen foods
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Cooking food quickly 
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Melting chocolate
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Reheating foods
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Softening jam,jelly and butter

Question 15

Name the Cook ware suitable for use in a microwave

Answer 15

Glass
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Paper
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Plastic
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China

Question 16

Name the foods that are UNsuitable for use in a microwave oven

Answer 16

Metal containers
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Metal-trimmed dishes
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Tin foil
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Foil-lined covers

Why?

They can produce sparks in the oven and can damage it.

Question 17

Name the advantages of having a microwave oven

Answer 17

Quick and convenient
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Healthy(little loss of nutrients)
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Saves washing up
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Food keeps its colour (vegetables)
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Question 18

Name the disadvantages of having a microwave oven

Answer 18

Unsuitable for large quantities of food
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Doesn't brown foods
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Doesn't tenderise tough cuts of meat 
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Foods are overcooked or burnt easily
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Question 19

Name the guidelines that should be taken when using a microwave oven

Answer 19

The size,thickness and amount of food influence the cooking time
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Cover foods to prevent drying out or soiling the interior of the oven
——-
Pierce foods with a skin,such as potatoes, to prevent bursting
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Arrange foods in a circle to ensure even cooking
———

Question 20

Name the points that should be considered when buying a household appliance

Answer 20

The higher the wattage,the more powerful and faster it cooks
——
Ovens may have a push-button and or dial controls.
——–

Question 21

Name the special features of a microwave

Explain

Answer 21

Automatic programming
Can program favourite  foods in settings
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Temperature probe 
To calculate cooking time
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Auto-weight defrost
Calculates power and time for defrosting
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A browning dish
Browns foods that are normally grilled or fried
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A child lock