A
master gauge is mainly used for which of the following purpose?
Checking
thread cutting angle
Measuring internal diameters
Verifying
the accuracy of gauges used on shop floor
None
of these
Verifying
the accuracy of gauges used on shop floor
Master
gauge is defined as the gauge to check the other gauges. As the expenditure is
involved, the measuring instruments, optimizers, comparators, slip gauges, etc,
are checked by the master gauges or reference gauge. All the other gauge are
checked by this gauge so that this gauge is called the master gauge.
Hence,
the correct option is (C).
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