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Uses of Solar Cooker

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Rural Technology

Following are the basic principles for using solar cookers : 1) Usually cut the food into smaller pieces for better cooking. 2) For food items like rice , use minimum necessary amount of water. 3) See that shadow will not come on the sunlight facing area of the cooker. 4) Do not open the cooker for stirring because it will allow trapped heat to escape. 5) The reflecting surface need to cleaned every now & then for the better performance . 6) Cooking time changes , subjected to change in the place, climate & availability of sun. Time mentioned in the recipe books are indicative under standard conditions, need to check it with our existing conditions. 4.6 Advantages of Solar Cooker :-

(1) It does not require constant attendance while cooking. (2) Since food cooks slowly, it becomes more nutritious. (3) The fibers in the cereal remain intact. (4) It does not require fuel. It requires only sunlight. (5) It can also be used as a oven for baking.

4.7 Limitations of Solar Cooker  :

(1) Solar cooker does not work on a cloudy days and during night. (2) It can not be used for frying and making chapattis.

4.8 Cooking Time & duration :

The best time for cooking by using a solar cooker is in between 9 am to 4 pm during summer & 10 am to 3 pm during winter.The time taken for cooking depends upon type of food and sunny days.

Intext questions 4.1

Write True or False : 1. Solar cookers can be used in a rainy (Cloudy days) season. 2. Solar cookers can be used for frying. 3. Temperature around 1000C is obtained in a solar cooker. 4. Red colored utensils are used in a solar cooker. 5. Solar cooker requires sunlight. 6. Solar cooking is advantageous in terms of the maintaining the nutritious value of the food.

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