CHAPTER 4  Human Factor


Important Points


  1. Ambient light...............Minimum level
  2. Task light.........Maximum level
  3. Highest temperature of human body is.........at a/noon
  4. Alertness is lowest when body temperature is lowest
  5. Vibration less than 3 HZ affects 
  6. Aletness ....................with temperature




Chapter 5 Human Factor




  1. Change from sitting to standing position ......after 1 hr
  2. Change from monitoring in atleast........after 1 / 2 hrs

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