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 using the code given below. 

This question was previously asked in
UPSC Civil Services Exam (Prelims) General Studies Official Paper-I (Held On: 10 Oct 2021)
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  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer (Detailed Solution Below)

Option 3 : 1 and 3 only
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Detailed Solution

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The correct answer is Option 3

Key PointsPressure cooker:

  • The larger hole will lead to an increase in the steam going out leading to a greater reduction in temperature.
    • Almost any food that can be cooked in steam or water-based liquids can be cooked in a pressure cooker.
    • This simulates the effects of long braising within a shorter time Hence, statement 1 is correct.
  • By increasing the surface pressure on the liquid inside the closed cooker we can raise the cooking temperature.
    • This pressure can be adjusted by changing the weight placed on the top of the cooker lid. Hence, statement 3 is correct.
  • Boiling water can never go over 100°C no matter how high the flame under the pot.
    •  But in the pressure cooker, the temperature can rise to 121°C. 
    • The higher cooking temperature reduces the cooking time and not the temperature. Hence, statement 2 is not correct.
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