Millwright Level 1 Complete Accurate Quizzes with
Verified Answers
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
Verified Answers
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
