8. Green mold in ceramic mold casting character and try A) High strength B) Low moisture contents C) High hardness D) Ca

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8 Green Mold In Ceramic Mold Casting Character And Try A High Strength B Low Moisture Contents C High Hardness D Ca 1 (63.54 KiB) Viewed 15 times

8. Green mold in ceramic mold casting character and try A) High strength B) Low moisture contents C) High hardness D) Can be used to produce parts with no defects E) None 9. flatness tolerances in the flat rolling process can be reduced by A) perform roller levelling B) increase friction C) increase strip speed D) increase roller diameter E) Ali 10. In casting process, sand wash occurs as a results of A) Low die strength B) Low pouring speed C) low amount of material D) low fluidity of molten metal E) high cooling rate F) all 11. in........... process, a hole is performed in a disk and increased in their diameter and the thickness of the resulted ring is reduced A) swagging B) linear swagging C) pack rolling D) ring rolling E) All 12. In die casting process, combination die can be used to A) Produce multi same parts B) Produce different parts for several products C) Produce different parts for one final product D) Produce just one unit E) None 13. In rolling operations, in order to reduce the rolling force, a back tens applied to the sheet by applying a braking action to the reels that inte sheet into roll gap known as reels A) backup rollers B) pay off reels C) driven rollers D) front rollers E) all 14. In sand casting process, die permeability can be increased by A) The use of large sand particles B) The use of small sand particles C) The use of vents D) Heat the mold E) A and C F) B and C