C. C. 8. To maintain heat balance in the human body, cooling is required to control the core body temperature. Which one on the list is not a method of cooling the core body temperature? a. Evaporation d. Conduction b. Radiation e. Basal metabolism Convection 9. Secondary sources of vibration include: a. Scoop tram d. Jackleg/Soper Drill b. Dozer e. Trucks Scissor deck 10. In severe dehydration, the percentage loss in body weight is in the range of: a. 15-30% d. 1-2% b. 7-15% e. 30-45% C. 2-6% 11. In an underground mine climate, auto-compression of air adds to: a. Nearly 10C/1000 ft. to dry bulb temperature b. Nearly 10C/km to wet bulb temperature c. Nearly 10C/km to dry bulb temperature d. Nearly 10C/1000 ft. to wet bulb temperature e. Nearly 10C/10000 ft. to dry bulb temperature 12. Which one is not a factor that can increase Heat Stress susceptibility? a. Very small body size d. Younger than 40 years old b. Overweight e. Herbal supplements c. Heart disease 13. External heat source caused by the transfer through a circulating medium such as air is called. a. Convection d. Sun b. Conduction e. Equipment c. Radiant heat 14. Steps to take to reduce your MSD exposure includes. a. Reporting MSD hazards e. Warming up body b. Adapting & maintaining healthy lifestyle f. None of the above c. Wearing & using PPE All of the above d. Using comfortable lifting technique 15. Factors that cause vibration to induced damage or injury. a. Frequency Force b. Amplitude f. a, b&c c. Posture g All of the above d. Repetition h. a, b, c &d e