UPSC PRELIMS · GEOGRAPHY · PRESSURE COOKER PHYSICS

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? 1. Area of the hole in the lid 2. Temperature of the flame 3. Weight of the lid Select the correct answer.

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EXPLANATION

Pressure-cooker cooking temperature depends on pressure, which is governed mainly by the lid/weight and heat input; the relevant combination is 2 and 3 only.

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