The octane number indicates a fuel’s resistance to knocking in engines. Higher octane number fuels resist pre-ignition better under compression. Knocking occurs when fuel ignites prematurely in the engine cylinder. Iso-octane is assigned an octane number of 100 as a …
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1. Match the following: List – I (Authors) A. L. Basham Donald E. Smith Rudolph & Rudolph W. H. Morris Jones List – II (Books) a) India as a Secular State b) The Wonder That Was India c) Government and …
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To identify the presence of major nutrients such as carbohydrates, proteins, and fats in food samples, specific chemical tests are used. These tests are based on characteristic colour changes when the nutrient reacts with a particular reagent. Such tests help …
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Protection of electrical power systems is essential to ensure reliability, safety, and continuity of supply. As power networks become more complex and heavily loaded, the need for fast, selective, and accurate fault detection becomes critical. Protective relays are the core …
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1 Select the correct meaning of the idiom underlined below: The singer was not in voice. (A) Lost voice (B) To sing well (C) Had a cough (D) Sang well Answer: (A) Lost voice Explanation: “Not in voice” means the …
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