πŸ“Š Metrology and Measurements
Q. What are the two grades of angle gauges?
  • (A) master and tool room
  • (B) precise and normal
  • (C) standard and industrial
  • (D) high and low
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βœ… Correct Answer: (A) master and tool room

Explanation: master grade is laboratory standard and made from steel carbide or tungsten carbide. tool grade is normal industrial purpose angle gauges made from steel.


Explanation by: Mr. Dubey
master grade is laboratory standard and made from steel carbide or tungsten carbide. tool grade is normal industrial purpose angle gauges made from steel.

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