Mega System Tech iCV-03 Manual de usuario descargar pdf (Pagina 60)

OCTE SAFEdoc

FAB

ANSWERS TO THE WELDING HAZARDS TEST

1. Ten welding hazards:

a. radiant energy

b. temperature extremes

c. fumes and gases

d. noise

e. sparks and slag

f. electrical shock

g. chemicals

h. fires

i. explosions

j. tripping hazards

2. Four types of radiant energy:

a. visible light

b. ultraviolet light

c. infrared rays

d. x-rays and gamma rays

3. Metal fumes can damage the lining of the lungs. Prolonged exposure can damage other

organs, or cause death.

4. Sparks and slag can cause fires, burn exposed parts of the body, damage hearing, and

cause eye injuries.

5. Two electrical hazards are: shock and burns.

6. Among the chemical sources the welder may be exposed to are fluxes, anti-spatter

compounds, glues, rust inhibitors, paints, degreasers, and plastics.

7. Some welding heat sources which cause fires:

a. the torch flame;

b. sparks from welding, cutting and grinding;

c. used welding rods and electrode stubs;

d. the weld deposit;

e. the base metal;

f. slag.

8. Some causes of explosions in welding operations:

a. using equipment incorrectly;

b. using damaged equipment or containers;

c. welding on a pressurized container;

FAB SAFEdoc Page 57

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Mega System Tech iCV-03 Manual de usuario Pagina 60