HARDNESS, FRACTURE TOUGHNESS AND STRENGTH OF CERAMICS
Engineering questions
1. 1) What isE7018?
2) Sample electrodes?
3) What isOCV and CCV?
4) What isHIC?
5) Difference between WPSandPQR?
6) What issupplementaryessential variable?
7) Why some pipesneed PWHT?
8) Why some pipes needpreheat?Whatmaterial?
9) PWHT –Typesof Thermocouples?
10) Heat inputformula?
11) What isessential variable?
12) Why some pipe needpostheat?
13) Formulaweldingrejectionrate?
14) What are the mechanical tests?
15) What isinterpasstemperature?
16) ASME 31.3?
2. 17) What isPQR?
18) Why we needImpactTest?
19) Electrode Storage: temprangfor backing, HoldingTemprange & Quivertemp.?
20) Weldingmachine calibration standard?
21) How youdiffermaterial byusingCarbonEQ?
22) What isthe Humiditylevel inElectrodestorage?