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In which circumstance(s) should portable power grinders be used instead of pedestal grinders?

A. When doing heavy-duty jobs
B. When it is not possible to hold the job to the pedestal grinder
C. When the final finish of the job is not important
D. When using ferrous metals

Answer :

Final answer:

Portable power grinders are most suitable when the workpiece cannot be held against a pedestal grinder. They offer mobility and flexibility for handling large or complex shapes, but may lack the precision required for delicate jobs. Thus, the main circumstance for using portable grinders is when the job configuration does not allow for the traditional use of a pedestal grinder.


Explanation:

When to Use Portable Power Grinders

Portable power grinders and pedestal grinders both serve important functions in metalworking and fabrication, but their use cases differ depending on the specific job requirements. Here are the circumstances to consider:

  • When it is not possible to hold the job to the pedestal grinder: Portable grinders shine in scenarios where the workpiece is too large or unwieldy to comfortably fit on a pedestal grinder. Examples include tasks like grinding materials already installed in a structure or working on large components that need to be maneuvered.
  • Other options: The other options provided in the question do not justify the use of portable grinders. For instance, portable grinders are not typically used for heavy-duty jobs, where a pedestal grinder's stability and power are more advantageous.
  • Moreover, the final finish of the job is important because portable grinders may not provide the precision that pedestal grinders do, and using them on ferrous metals is possible, but it's not a primary reason to prefer them over pedestal grinders.

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