Paterson Grain Terminal Operator Competency Exam
Question 1: When setting up a receiving transaction, how many steps are there?
Question 2: What do you do when a bin high levels?
Acknowledge the alarm and resume the transaction
Acknowledge the alarm, change the destination bin and resume the transaction
Acknowledge the alarm, and send someone to watch as you top it up before switching to a different bin
Question 3: When should you run equipment in Manual?
When the equipment is plugged to bypass the safety sensors
When doing maintenance on the equipment
When equipment needs to be warmed up in cold weather
When there is a faulty sensor that won't allow equipment to start
Question 4: If a shaft monitor faults and turns a piece of equipment off, what is the procedure to start it back up?
Try to start the equipment without having it inspected
Shut off everything and go home, let the next shift deal with it
Bypass the alarm and continue to use the equipment
Stop using the equipment and have it inspected. Call maintenance if required
Question 5: What should you do if a piece of equipment keeps giving a low-speed alarm?
Push 'Resume' and hope it clears
Let someone else deal with it
Pause the transaction and investigate the issue
Re-adjust the pit gate slides and resume the transaction
Question 6: When starting a transfer, what is the safe limit to open a bin?
Question 7: What are 2 types of faults on a 2-way valve?
Speed Fault and Motor Start Fault
Current Fault and Position Fault
Motor Start Fault and Limit Fault
Current Fault and Limit Fault
Question 8: What does VFD stand for and what does it do?
Velocity Fault Detection - protects the motor from current spikes and surges
Variable Frequency Determination - gives the motor the ability to slow itself under high load applications
Variable Frequency Drive - gives the motor the ability to operate at a range of different speeds
Vector Frame Deviation - gives the motor ability to adapt to frame rate reduction
Question 9: What is the purpose of the empty current setting?
Used by the system to monitor temperatures
Used to calculate the high current settings
Used to calculate total tons per hour of the transaction
Used by the system to complete transactions
Question 10: What is the difference between alarm speed and fault speed?
Alarm Speed will sound an alarm when reached and is displayed in red, while Fault Speed will sound an alarm when reached and is displayed in orange
Alarm Speed will sound an alarm if reached, while Fault speed will shut down the motor if reached
Alarm Speed will shut down your motor if reached and is displayed in orange, while Fault Speed will sound an alarm when reached and is displayed in red
Alarm Speed will pause your task when reached and is displayed in orange, while Fault Speed will sound an alarm when reached and is displayed in red
Question 11: Before operating bin sweeps, what must occur?
Bin low level must be off and bin sweep enabled
Bin bottom center gate must be a minimum 75% open and bottom drag running
All bin cleanouts have been bled off and PJHA for confined space permit has been reviewed by all staff involved
All of the above
Question 12: When starting the cleaners in the morning, what is the correct procedure?
Start the cleaners from the grading room and hope they are operating properly
Start the cleaners from the control room in the cleaner building and visually inspect the cleaners
Start the cleaners from the grading room and send someone out in an hour to check on them
Press 'start' on the cleaners and exit the building immediately because it is too noisy
Question 13: Severe cold weather can greatly affect how equipment starts and runs, and cold weather starts should be done cautiously
Question 14: Does a nightly inspection need to be done every night?
No, if equipment ran all day with no issues
Only to make sure doors are secure
Not if you were working up to the end of your shift
Yes, all equipment should be checked and site secured for the night
Question 15: What do you do if a drag shuts down due to the tail switch being activated?
Try to start again immediately
Start the drag in manual until alarm clears
Leave for maintenance to figure out
Inspect the machinery and clear the blockage before trying to restart the equipment
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