Injection Moulding Gap Analysis
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Injection Moulding Gap Analysis - Entry Level
This assessment will give you an overview of you level of knowledge of Entry Level Injection Moulding. You will receive an email with your result as soon as it is completed.
The assessment should take you 10-15 Minutes.
All results are strictly confidential.
Good Luck!
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Injection Moulding Overview - Entry Level
Please select the best possible answer in the below questions
When reaching underneath a machine guard whilst the machine is running, you should...
Ask your supervisor for permission first
Wear heat resistant gloves
Both A and B are correct
You should never reach under a machine guard whilst the machine is running
On a typical hydraulic moulding machine, which safety mechanisms are required on the front safety gate?
Hydraulic and mechanical safety switches
Electrical and Hydraulic Safety Switches
Mechanical and electrical safety switches
Electrical, mechanical and hydraulic safety switches
If you suspect a fluid leak, which is an appropriate course of action?
Check it with your hand to determine if it is still leaking
Inform your supervisor immediately
Wait until the end of your shift and then clean up the fluid
All of the above are correct
The safety switch on the front gate should be checked every...
Week
Day
Shift
Hour
It is dangerous to mould acetal in a machine which has been moulding:
Polyethylene
Polyester
PVC
All of the above
When removing a stuck part from the mould, you should first...
Open the front safety gate
Open the back safety gate
Back the injection unit away
Purge the barrel
Turn off the machine
Safety precautions for your job are determined by...
Your immediate supervisors
Company Safety Procedures
Occupational Health and Safety Act
All of the above
When Hydraulic fluid lines fail, they typically...
Leak fluid Slowly
Burst suddenly
Both A and B are common
Plant personnel need to know the location of
All emergency exits
All eyewash stations
All first aid stations
All of the above are necessary
Which hazards are protected with Lock out/Tag out procedures?
Electrical Hazards
Pressure Hazards
Movement Hazards
All of the above
Which of these are raw material contamination?
Dust
Clean, Foreign Plastic
Clean Water
Dirty Water
Degraded Material
All of the above
Which is a common method of differentiating polymers?
Natural versus Thermoset
Thermoplastic versus Semi-crystalline
Amorphous versus Synthetic
All of the above are used to differentiate polymers
None of the above are correct
SQC Stands for...
Statistical quality check
Standardized quality control
Statistical quality control
Standardized quality check
Material Viscosity variations are likely to occur:
From batch to batch
From container to container
From the top to the bottom of the container
Variation will occur in all 3 cases
B and C only
When cleaning an injection moulding screw, you should not use...
Steel tools
Aluminium tools
Brass tools
Plastic tools
All are appropriate tools for screw cleaning
Which is the safest way to leave the mould when shutting down the moulding machine?
Clamped under full tonnage
Mostly closed without tonnage
Open with full daylight
Which of the following is an appropriate safety precaution?
Become familiar with the location of all emergency stop buttons
Wear all specified personal protection equipment
Safety glasses are required in all moulding areas
All are appropriate safety precautions
Which is a function of the injection unit?
Prepare the plastic
Flow the plastic
Pressurise the plastic
Depressurise the plastic
All of the above are functions of the injection unit
Which platen is used to support the Clamping system of an Injection Moulding machine?
Tailstock platen
Moveable platen
Fixed platen
All hydraulic fluid used by an Injection Moulding machine is supplied by:
Valves
Motors
Actuators
Pumps
Controls
Which Mode of Operation is used during "Mould Set up"?
Automatic
Semi-automatic
Manual
Any mode can be used
Annealed plastic parts...
Have been rapidly cooled after production
Have increased orientation stresses within the part
Have reduced Long Term performance
All of the above are correct
None of the above are correct
For thermoset polymers, melt processing changes...
The chemical structure of the polymer
The physical structure of the polymer
Both the physical and chemical structure of the polymer
Which parameter is critical in maintaining proper material drier controls?
Air temperature
Moisture content
Drying time
All of the above are critical
When a moulded part runs over quoted cycle, who pays for the cost overruns?
The customer
The moulder
Both the customer and the moulder
Can we contact you about furthering your skills?
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No
Can we contact your company with your results to discuss further training?
Yes
No
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