Millwright Level 1 Actual Exam Update
2024 | Millwright Level 1 Exam Latest
2024 Questions and Correct Answers
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On a pedestal grinder, the gap between the grinding wheel and work
rest should not exceed: -ANSWER-1/8 inch
The kind of abrasive material used in grinding wheels for general
purpose applications is: -ANSWER-aluminum oxide
A blotter is used on a grinding wheel to: -ANSWER-protect the flanges
from the abrasize grit, display information about the wheel and
compensate for the uneven surfaces on the wheel
Flanges should at least be: -ANSWER-1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off a workpiece is
the: -ANSWER-wire wheel
What is a natural abrasive? -ANSWER-made of natural material rather
than synthetic
Under properties of abrasives, to what does the term hardness refer? -
ANSWER-ability of a material to scratch or penetrate another material
The ____ is the part of the wheel that holds the grains together -
ANSWER-bond
Markings for the wheel identification can be found on the _______ -
ANSWER-Blotter
,What is the recommended speed to run a grinding wheel? -ANSWER-
Never run it faster that the max RPM of the grinding wheel
How should you start a grinder? -ANSWER-Stand off to the side and
wait a full minute
Is 46 or 60 the coarser grit? -ANSWER-46
What are the 2 most commonly used abrasive materials? -ANSWER-
Aluminum oxide and silicone carbide
For what purpose is the diamond dresser used? -ANSWER-When a
very fine finish is required
What is the purpose of ring test? -ANSWER-to check for cracks
If a grinding wheel makes a ringing sound what does that mean? -
ANSWER-wheel is not cracked
What is the purpose of truing a grinding wheel? -ANSWER-Restores
the shape of the wheel and makes the outer surface of the wheel
concentric with its bore
An out of balance wheel: -ANSWER-vibrates
Belt grinders are useful for: -ANSWER-quickly deburring and
chamfering a workpiece
What is the purpose of a GFCI? -ANSWER-Senses drop in current
and switches power off
,The kind of abrasive material use in grinding wheels for general
purpose application is: -ANSWER-aluminum oxide
Is it safe to carry a portable grinder by the power cord? -ANSWER-
False
Is it safe to use standard sockets with electric impact wrenches -
ANSWER-False
The larger the power drill, the slower the RPMs and the higher the
torque -ANSWER-True
Can you use conventional drill bits with a hammer drill? Why or why
not? -ANSWER-Yes of the hammer drill has a switch to turn off
hammer action
Most cordless drills have torque control -ANSWER-True
Prolonged use of power or air tools can cause carpal tunnel sydrome -
ANSWER-True
Is it safe to run an impact wrench with a universal joint and socket
attached -ANSWER-No because it may throw off attachments
What conditions would you use a GFCI -ANSWER-Wet conditions
What 3 things does a GFCI protect: -ANSWER-1. Overload 2.
Overcurrent 3. Ground fault protection
A GFCI prevents all electrical shocks -ANSWER-False
Higher voltage on a battery means: -ANSWER-Greater power of tool
, What type of power load must be used in the low velocity tool? Why? -
ANSWER-Power load with a crimped end must be used cause high
power load would get lodged in the tool
6 colours ranging from lowest strength to highest strength for power
load are: -ANSWER-1. Grey 2. Brown 3. Green 4. Yellow 5. Red 6.
Purple
Power loads should not be carried loosely in pockets or aprons. Why?
-ANSWER-Could be set off causing serious injury or death
Fasteners used in explosive actuated tools are: -ANSWER-
Manufactured from special steel and tempered
A drive pin is a fastener used to: -ANSWER-Permanently attach one
material to another
What is base material? -ANSWER-Material which the fastener shank
is driven into
To determine the sustainability of a base material, use a fastener as a
centre punch struck by a single average hammer blow. If the fastener
is blunted ( meaning it can't fasten) the material is too: -ANSWER-
Hard
To determine the sustainability of a base material, use a fastener as a
centre punch struck by a single average hammer blow. If the fastener
penetrates easily, do not fasten because the material is too: -
ANSWER-Soft
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