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UPSC PYQPrelims 2021

Civil Services Examination · Question 68

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.

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
Show answer & explanation

Answer: (C) 1 and 3 only

Explanation

Cooking temperature is set by the pressure inside, which depends on the vent area and the weight (whistle/lid) regulating it, not the flame temperature.