QnA : Metal Casting

Question and Answer of Metal Casting

Question 1. 

Process of making hollow castings of desired thickness by permanent mould without the use of cores is called ?

Answer - slush casting

Question 2.

Process of pouring molten metal under high pressure into mould is called ?

Answer - Die casting

Question 3.

Process of pouring molten into mould and allowed to solidify , when the mould is revolving is called ?

Answer - Centrifugal casting

Question 4. 

Process of making hollow casting from permanent mould by a close fitting core , is called ?

Answer - Pressed casting

Question 5. 

Casting process used for ornaments and toys of non - ferrous alloys is ?

Answer - Slush casting

Question 6. 

Casting process being expensive used only where small number of intricate and highly accurate parts are to be manufactured is ?

Answer - Investment casting

Question 7. 

Investment casting uses pattern made of ?

Answer - Wax

Question 8. 

True centrifugal casting is used to get ?

Answer - Dynamically Balanced Casting

Question 9. 

The additional of coal dust to the green moulding sand is to improve ?

Answer - Surface finish

Question 10. 

The purpose of adding wood flour or saw dust to foundry sand is to improve ?

Answer - Collapsibility

Question 11. 

Surface finish of casting depends upon ?

Answer - mould dressing , pattern finish , fineness of sand .

Question 12. 

The most suitable material for die casting is ?

Answer - Copper 

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