Millwright Level 1 QUESTIONS AND ANSWERS GRADE A+ GUARANTEED
1 view 0 purchase
Course
Millwright Level 1
Institution
Millwright Level 1
On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed:
1/8 inch
The kind of abrasive material used in grinding wheels for general purpose applications is:
aluminum oxide
A blotter is used on a grinding wheel to:
protect the flanges from the abrasize grit, di...
the kind of abrasive material used in grinding whe
a blotter is used on a grinding wheel to
flanges should at least be
Written for
Millwright Level 1
All documents for this subject (30)
Seller
Follow
munyuabeatrice92
Content preview
Millwright Level 1 QUESTIONS AND
ANSWERS GRADE A+ GUARANTEED
On a pedestal grinder, the gap between the grinding wheel and work
rest should not exceed:
1/8 inch
The kind of abrasive material used in grinding wheels for general
purpose applications is:
aluminum oxide
A blotter is used on a grinding wheel to:
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:
1/3 the diameter of the wheel
The best wheel to use for cleaning scale and dirt off a workpiece is
the:
wire wheel
What is a natural abrasive?
made of natural material rather than synthetic
Under properties of abrasives, to what does the term hardness refer?
ability of a material to scratch or penetrate another material
The ____ is the part of the wheel that holds the grains together
bond
Markings for the wheel identification can be found on the _______
Blotter
What is the recommended speed to run a grinding wheel?
Never run it faster that the max RPM of the grinding wheel
How should you start a grinder?
Stand off to the side and wait a full minute
Is 46 or 60 the coarser grit?
46
What are the 2 most commonly used abrasive materials?
Aluminum oxide and silicone carbide
For what purpose is the diamond dresser used?
When a very fine finish is required
What is the purpose of ring test?
to check for cracks
If a grinding wheel makes a ringing sound what does that mean?
wheel is not cracked
What is the purpose of truing a grinding wheel?
,Restores the shape of the wheel and makes the outer surface of the
wheel concentric with its bore
An out of balance wheel:
vibrates
Belt grinders are useful for:
quickly deburring and chamfering a workpiece
What is the purpose of a GFCI?
Senses drop in current and switches power off
The kind of abrasive material use in grinding wheels for general
purpose application is:
aluminum oxide
Is it safe to carry a portable grinder by the power cord?
False
Is it safe to use standard sockets with electric impact wrenches
False
The larger the power drill, the slower the RPMs and the higher the
torque
True
Can you use conventional drill bits with a hammer drill? Why or why
not?
Yes of the hammer drill has a switch to turn off hammer action
Most cordless drills have torque control
True
Prolonged use of power or air tools can cause carpal tunnel sydrome
True
Is it safe to run an impact wrench with a universal joint and socket
attached
No because it may throw off attachments
What conditions would you use a GFCI
Wet conditions
What 3 things does a GFCI protect:
1. Overload 2. Overcurrent 3. Ground fault protection
A GFCI prevents all electrical shocks
False
Higher voltage on a battery means:
Greater power of tool
What type of power load must be used in the low velocity tool? Why?
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:
1. Grey 2. Brown 3. Green 4. Yellow 5. Red 6. Purple
Power loads should not be carried loosely in pockets or aprons. Why?
Could be set off causing serious injury or death
, Fasteners used in explosive actuated tools are:
Manufactured from special steel and tempered
A drive pin is a fastener used to:
Permanently attach one material to another
What is base material?
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:
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:
Soft
To determine the sustainability of a base material, use a fastener as
a centre punch struck by a single average hammer blow. If the
material cracks or shatters, do not fasten because the material is
too:
Brittle
A threaded knurled pin is designed for what material
Mild steel
To be a qualified operator of an explosive actuated tool you must
posses:
training in the use of each tool and familiarity with local safety
regulations
OH&S states that operators of explosive actuate tools should always
wear:
Eye protection
If a tool is found to be defective, you should:
Mark it defective and call a service representative
According to OH&S, what safety equipment is required when using an
explosive actuate tool in a confined area such as a small room?
ear plugs and eye protection
Who is responsible if an accident occurs as a result of an unattended
explosive actuated tool?
The operator
Should an explosive actuated tool be used in explosive or flammable
area?
No
How often should an explosive actuated tool be cleaned under normal
working conditions?
It should be cleaned daily or when it becomes sluggish
How much oil should be added to the tool parts after cleaning?
None
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller munyuabeatrice92. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.79. You're not tied to anything after your purchase.
