What purpose is served by extending the table over travel beyond ...

[a0266361136]

What purpose is served by extending the table over travel beyond the workpiece dimensions?
 
  A) It actually has a negative effect and leaves grinding lines
  B) It allows time for the coolant to reach the work
  C) It gives time for the crossfeeding to take place between passes
  D) There is none, it justs wastes grinding time

Question 2

What disadvantage is there in using an electromagnetic chuck?
 
  A) It requires a very dense pole piece arrangement to be effective
  B) Heat is generated and must often be compensated for
  C) It must be used dry to avoid shock hazard
  D) None, it is always advantageous

[jojobee318]

Answer to Question 1

C

Answer to Question 2

B

[a0266361136]

Thanks for the timely response, appreciate it

[Jsherida]

Excellent