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Read Chapter 10.

0-1. The excess material left on a product after compression molding is called .

10-2. The  amount  of  material  used  to  fill  a  mold  during  an  injection-molding process is called .

10-3. The  chief  advantage  of  injection  molding  over  other  molding processes is .

10-4. Name  three  ways  to  reduce  production  time  in  com-pression molding.

10-5. Opening  the  compression  mold  to  allow  gases  to  es-cape during the molding cycle is called .

10-6. The  mark  on  a  molding  where  the  halves  of  the  mold  meet in closing is called . 

10-7. The process of molding or forming items from pressed powders at a temperature just below the plasticàmelt-ing point is called .

10-8. Name three major disadvantages of transfer molding.

10-9. The  time  it  takes  to  close  a  mold,  form  a  part,  open  the  mold,  and  remove  the  cooled  part  is  called  the   time in injection molding.

10-10. In   molding,  the  material  is  loaded  in  a  chamber outside the mold cavity before it is made fluid and forced into the mold cavity.

10-11. The  two  factors  that  rate  the  capacity  of  an  injec-tion-molding machine are  and .

10-12. Thermosetting     materials     with     fragile,     intricate     shapes  and  with  inserts  or  pins  may  be    or  molded.

10-13. Name  the  two  molding  processes  that  use  thermoset-ting and selected thermoplastic materials in preform or bulk molding compound forms.

10-14. Name three processes that are similar to transfer-mold-ing processes.

10-15. Name  four  commonly  used  polymers  in  liquid  resin  molding.

10-16. A  common  expression  for  the  time  during  which  a  molding machine is not operating is .

10-17. Reaction injection molding is also known as  or high-pressure impingement mixing.