Answer to Question #52279 in Physics for vi

Question

Which of the following is not needed to start a fire?
oxygen
fuel
ignition
helium
11 following are hazards associated with the use of lead acid accumultors in the following EXCEPT --------------
toxity of component substances
heavy metal poisoning
irritating fumes
danger due to high tension
12 Hazards from static electricity may be averted by ---------------------
keeping the atmosphere dessicating
operating van de Graff generators
operating drve belts
preventing friction
13 What force should you use to turn the valve of a gas cylinder?
light finger pressure
firm hand pressure
Use an opener
strike with a hammer
14 Which of the following is the point of communication between the human user and the computer?
The personal information management
The human - computer interface
The human - interaction management
None of the above