REVIEW 6 ANSWERS
A1. Open flame and naked lights are defined as
follows:
a. The term open flame includes all forms of
fuel or gas lanterns, lighted candles,
matches, cigarette lighters, and so on.
b. The term
n a ke d l i g h t s
includes any
unprotected electrical lighting device.
A2. You should take the following actions when
storing solvents:
a. Label all containers used to store solvents
b. Store solvents in appropriate lockers
REVIEW 7 ANSWERS
A1. When handling a weapon, you need to think
about what you’re doing because accidents
don’t “just happen;” they’re caused. In fact,
they’re often caused by personnel who don’t
follow safety precautions or who are careless.
A2. Projectiles that have a 3-inch or greater diameter
are color-coded to show the projectile type and
the kind of bursting charge that they contain.
REVIEW 8 ANSWERS
A1.
Treating common 115-volt equipment lightly
is the cause of many fatal shocks received from
drills and fans.
A2. Three types of hazards associated with
compressed gases are—
a. Cylinders not secured
b. Cylinders under high pressure
c. Cylinders containing poisonous, flam-
mable, or explosive material
A3.
True, oxygen and chlorine are stowed in
compartments separate from flammable gases.
A4. You should use a filter mask respirator when
working with fiberglass because fiberglass dust
is abrasive and an irritant to skin and eyes.
REVIEW 9 ANSWERS
A1. Before beginning work to repair a piece of
equipment, you should make sure that the
e q u i p m e n t
i s
d e - e n e r g i z e d
a n d / o r
depressurized and tagged out of service.
A2. Only properly trained personnel should
operate gas welding or cutting equipment.
A3. When working around rotating machinery, you
should remove jewelry and watches and you
shouldn’t wear loose fitting clothing; wear
protecting clothing and equipment, such as
hearing protection, eye, hand, and foot
protection, dust and paint respirators, and so
on.
REVIEW 10 ANSWERS
A1. The safety precautions to follow when working
with systems having pressurized liquids
include—
a. Never connect or disconnect a hose from
the system until the pressure has been
removed.
b. Never point a charged (pressurized) fire
hose at anyone.
c. Never use ruptured or worn hoses.
d. Don’t use spray paints, butane fluids,
lacquers, and other aerosol products near a
flame; don’t throw them into a fire; and
don’t puncture the container.
A2. If you’ve been exposed to acids or alkalis, you
should immediately seek medical attention.
A3. You shouldn’t smoke near sewage-handling
equipment for the following reasons:
a. Fuel leaks or spills can occur in the
incinerator area where temperatures may
exceed the flash point of the fuels used.
b. Methane and hydrogen sulfide may be
emitted by any tank or tank leaks. These
gases are also flammable and under some
conditions are explosive.
REVIEW 11 ANSWERS
A1. The three types of hearing protection are the—
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