Get Started
1857

Q:

What is the principle of life jacket?

  • 1
    It provide oxygen to the drowning person.
  • 2
    It increase persons volume to help him float.
  • 3
    It decreases persons volume to help him float.
  • 4
    A persons can sit on it
  • Show Answer
  • Workspace

Answer : 2. "It increase persons volume to help him float."

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today