Tag
#ccs
2 topics across all disciplines.
Testing refractory — the five quality control tests and what each proves
Density, cold crushing strength, permanent linear change, abrasion loss and workability index — what each measures, why the testing laboratory must be independent of the refractory contractor, and why a gunned specimen is crushed in a different direction from a cast one.
EV charging and onboard chargers
Why AC charging is limited by what is in the car and DC charging is not, what the connectors and their signalling pins actually do, why a charge curve tapers, and what ISO 15118 makes possible including bidirectional power.