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Wednesday, January 24, 2024

7 Fire Friend and Foe Summary in Hindi & English Free Online

 

7 Fire Friend and Foe Summary in Hindi & English Free Online
7 Fire Friend and Foe Summary in Hindi & English Free Online

Fire Friend and Foe Summary in English and Hindi Free Online: Hi Students, in this article you will find 7 Fire Friend and Foe Summary in English and Hindi. Fire Friend and Foe Summary in Hindi & English in a PDF format makes it very convenient for students to do a quick revision of any chapter. This way, you can do your revisions on the go, not losing your valuable time. Also in this article students of 7 will get Fire Friend and Foe Summary in english for the ease of students. This will help prepare students for the upcoming exams and score better. Hope this Fire Friend and Foe Summary in Hindi & English will be helpful to you.


7 Fire Friend and Foe Summary in Hindi & English

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SCERT Board

Class

7

Chapter

Fire Friend and Foe

Study Material

7 Fire Friend and Foe Summary

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7 Fire Friend and Foe Summary in Hindi

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पुराने जमाने में आग एक भयावह चीज थी। आदि मनुष्य ने बिजली का अनुभव उसके मूल को जानने से पहले ही अनुभव किया होगा। आग एक रासायनिक प्रतिक्रिया का परिणाम है।

जहां ईंधन में ऑक्सीजन कार्बन और हाइड्रोजन के साथ मिलती है। इस प्रक्रिया के दौरान, ऊर्जा गर्मी और प्रकाश के रूप में निकलती है। आग बनाने के लिए ईंधन, ऑक्सीजन और तीनों चीजें आवश्यक हैं।

ईंधन का फ्लैशपॉइंट या जलाने का तापमान हर ईंधन के साथ बदलता रहता है। आग एक अच्छी सेवक है क्योंकि यह खाना बनाती है और सर्दियों में गर्मी देती है। यह एक बुरा स्वामी भी है क्योंकि यह हर चीज को नुकसान पहुंचाता है और अगर समझदारी से इस्तेमाल न किया जाए तो उसे राख में बदल देता है।

आग को ऑक्सीजन की आपूर्ति को रोककर और गर्मी को दूर करके, ईंधन को हटाकर, आग को बुझाया जा सकता है। अगर जलने के लिए ईंधन नहीं है तो आग बुझाई जा सकती है। नम कंबल या बोरी का उपयोग, कार्बन डाइऑक्साइड ऑक्सीजन को जलती हुई सामग्री तक नहीं पहुंचने देता है।

यदि तापमान को फ्लैशपॉइंट से नीचे लाया जा सकता है, तो ईंधन जलना बंद कर देता है।

आग कार्बन डाइऑक्साइड बुझाने वाले यंत्र से बुझाई जा सकती है, पानी से नहीं, जैसे आग पर और बिजली के उपकरणों पर। जल तेजी से बह सकता है, जलते हुए तेल को ले जाकर आग फैला सकता है। अगर इलेक्ट्रॉनिक आग पर पानी फैलाया जाता है तो किसी को बिजली का झटका लग सकता है।

पुराने समय में लोग तालाबों से पानी लेने के लिए मानव श्रृंखला बनाते थे। लेकिन आजकल आग पर काबू पाने के लिए तकनीकी विकास पर लाखों रुपये खर्च किए जाते हैं। इस चुनौती से निपटने के लिए फायर बिग्रेड का गठन किया गया है।

वे अपने कौशल और तकनीक से लोगों की जान बचाते हैं। प्रत्येक नए भवन को आग से बचाव के नियमों का पालन करना होगा और उनका पालन करना होगा। आग एक दोस्त है जो बिना ध्यान दिए रहने पर दुश्मन में बदल सकता है। इसलिए आग का सावधानीपूर्वक उपयोग करने की मांग की जाती है।


7 Fire Friend and Foe Summary in English

Students can check below the 7 Fire Friend and Foe Summary in English. Students can bookmark this page for future preparation of exams.


Fire was a frightening thing in the olden days. Primitive man must have experienced electricity even before knowing its origin. Fire is the result of a chemical reaction.

Where oxygen combines with carbon and hydrogen in the fuel. During this process, energy is released in the form of heat and light. Fuel, oxygen and all three things are necessary to make fire.

The flashpoint or burning temperature of a fuel varies with each fuel. Fire is a good servant as it cooks food and gives heat in winter. It is also a bad lord as it damages everything and turns it into ashes if not used wisely.

The fire can be extinguished by stopping the supply of oxygen to the fire and removing the heat, then removing the fuel. If there is no fuel to burn, the fire can be put out. Using a damp blanket or sack, carbon dioxide does not allow oxygen to reach the burning material.

If the temperature can be brought below the flashpoint, the fuel stops burning.

Fires can be extinguished with a carbon dioxide extinguisher, not water, as on fires and electrical equipment. Water can flow rapidly, carrying burning oil can spread fire. If water is spilled over an electronic fire, one can get an electric shock.

In the olden times people used to form human chains to take water from the ponds. But nowadays lakhs of rupees are spent on technological development to control the fire. A fire brigade has been formed to deal with this challenge.

They save lives with their skills and techniques. Every new building must follow and comply with fire safety regulations. Fire is a friend that can turn into an enemy if left unattended. Therefore careful use of fire is demanded.


7 Chapters and Poems Summary in Hindi & English

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7 Exam Tips

For clearing board exams for the students. they’re going to need to possess a well-structured commit to study. The communicating are conducted within the month of could per annum. Students got to be sturdy academically in conjunction with numerous different skills like time management, exam-taking strategy, situational intelligence and analytical skills. Students got to harden.

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