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How many personal locks are commonly issues to an
employee? - ANSWER-3
The pressure in a fully charged self-contained
breathing apparatus is
________________. - ANSWER-
31 MPa
There are minor differences between MSDS and the SDS.
This is because
_____________. - ANSWER-SDS conforms to
the GHS
A potential hazard of working in a confined space entry may be
where the work in progress could cause: - ANSWER-equipment
being used to become a hazard
How much clearance should be maintained around sprinkler
heads that are
,over large piles of combustible materials? -
ANSWER-1 meter
If you intend to use a ladder, it must have safety spurs or: -
ANSWER-Safety
feet
A smoke detector employing a short beam carried between the
light source and
receiver, both mounted in a single ceiling-mounted unit, is
called: - ANSWER-A
spot type photo-electric
detector
In a dry standpipe system, how is the supply valve
operated? - ANSWER-
manually, by remote control, or
automatically.
In a building with a high fire hazard, a single sprinkler may
protect up to
approximately how many square meters below it? -
ANSWER-6.5
SDS/MSDS are written by the __________________. - ANSWER-
Manufacturer
,Dropping a gas cylinder could lead the cylinder to
_________________. -
ANSWER-become a rocket like
projectile
The upper explosive limit of a hydrocarbon is the
________________. -
ANSWER-maximum amount of vapour in a given
volume to ignite
An emergency plan should include the ________________.
1. number of, and who is, first aid trained
2. location and number of first aid kits
3. a health and safety program
4. on-site emergency team
5. rehabilitation services - ANSWER-1,2,4
If a mixture has too much vapour to ignite it is known as a
____________
mixture. - ANSWER-
Rich
The __________ fuse is the only fuse for ratings exceeding
30 amperes.. -
ANSWER-Cartridge
type
, A motor that has an extra winding in the stator to give added
torque is called a: -
ANSWER-Split-phase
motor
A Ground Fault Circuit Interrupter (GFI) works on comparing
__________ on
different sides of the circuit. -
ANSWER-Current
What types of bearings are found in electric motors?
1. thrust bearings
2. sleeve bearings
3. pre-lubricated bearings
4. ball bearings
5. combined roller and thrust bearings - ANSWER-2,3,4
Bearings are the most common failure point in electric
motors. What are the
types of bearings used in electric motors? -
ANSWER-sleeve, ball
To what level should the bearing housing of an electric motor be
filled with oil? -