If a $10\mathrm{.}2-10\mathrm{.}6$ diameter hole is designated as a datum feature and is referenced as a primary datum at MMB $,$ the size of the datum feature simulator would b

A$.10\mathrm{.}2$

B$.10\mathrm{.}4$

C$.10\mathrm{.}6$

D$.$ Variable between $10\mathrm{.}2$ and $10\mathrm{.}6$

Where a datum feature is referenced MMB primary, the simulated datum i

A$.$ The center of the datum feature

B$.$ The axis or center plane of the datum feature simulator

C$.$ Derived from the related actual mating envelope

D$.$ All of the above

When clearance $($looseness$)$ exists between a datum feature and its datum feature simulator...

A$.$ The looseness may be used to decrease the part feature's acceptance criteria.

B$.$ The looseness may be used to increase the part feature's acceptance criteria.

C$.$ The looseness must be ignored by centering the part on the gage.

D$.$ The part is not acceptable.

When a hole is a datum feature referenced at MMB $,$ the datum feature simulator should be$...$

A$.$ A fixed$-$size ball

B$.$ A fixed$-$size pin

C$.$ A tapered pin

D$.$ A variable$-$size pin

Where a hole is a secondary datum feature referenced at MMB the datum feature is simulated at its

$q,$ size.

A$.$ Basic

B$.$ MMB

C$.$ VC

D$.$ MMC