When calling tech support, what pieces of information should you have available?
What will be an ideal response?
One of the first questions they will ask is what make and model the piece of
equipment is. They may also want to know things such as serial numbers, build numbers,
controller types, user interface type, teach pendant type, etc. The more information you
can gather about the specific piece of equipment before you call the better. Another
common question that they will ask is what alarms or error messages is the machine
displaying. You also need to have a list of things you have tried to correct the problem.
With the list of things you tried, you need to write down how each affected the machine.
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In the float glass manufacturing process, the molten glass (raw materials) floating over molten tin bath is rapidly cooled, which solidifies it into a sheet. The sheet emerging from tin bath is slowly heated in the annealing chamber and then allowed to cool to room temperature before being cut to required sizes. Why is the glass subjected first to rapid cooling and why is it subsequently heated?
What will be an ideal response?
Which of these is the best tool to measure cylinder bore taper and out of round?
A) Dial bore gauge B) Micrometer C) Telescoping gauge D) None of these
The FRD instructions convert a BCD number to its ________
A) 32-bit integer equivalent B) 8-bit integer equivalent C) 16-bit integer equivalent D) None of the above
The IEC 61131 ladder logic symbol library has only input contacts and output symbols available
Indicate whether the statement is true or false