Question

Where should tolerance zone is placed for Go Gauges in present British System?

(a) Inside work limits

(b) Outside work limits

(c) Equal to work limits

(d) Regardless to work limits

This question was addressed to me by my college director while I was bunking the class.

Enquiry is from Gauge Wear in division Metrology of Screw Thread, Gauges for ISO Metric Screw Threads of Engineering Metrology

Answer 1

Right answer is (a) Inside work limits

The explanation: The tolerance zone for the ‘Go’ gauges should be placed inside the work-limits. In First System, tolerances on the workshop gauge are arranged to fall inside the work tolerance, further ‘Go’ gauge should eat away 10% of work tolerance.