WBCS.LIVE practice question

The temperature of boiling water in a steam engine may be high because

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. There are dissolved substances in water
  2. There is low pressure inside the boiler
  3. There is high pressure inside the boiler
  4. The fire is at very high temperature

Correct answer and explanation

Correct answer: There is high pressure inside the boiler