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WorksheetsUNIT-1 METAL CASTING
Total questions: 15
Worksheet time: 8mins
What is the process of converting raw materials into useful products called?
Casting
Manufacturing
Molding
Forging
What is the process of producing metal parts by pouring molten metal into the mold cavity of the required shape called?
Welding
Forging
Casting
Extrusion
Which type of casting process involves melting the metal and pouring it into a preformed cavity?
Investment casting
Centrifugal casting
Sand casting
Permanent mold casting
What is the main advantage of shell molding in casting?
Low cost
Good dimensional accuracy
Design flexibility
High production rate
Which type of casting process is commonly used for precision equipment and complex geometries?
Centrifugal casting
Permanent mold casting
Investment casting
Die casting
What is the main disadvantage of investment casting?
Good surface finish
Low cost
High production rate
Many processing steps required
Which type of mold casting process uses a metal mold constructed of two sections designed for easy opening and closing?
Die casting
Investment casting
Permanent mold casting
Centrifugal casting
What is the defect called when a casting has solidified before completely filling the mold cavity?
Cold Shut
Misruns
Shrinkage Cavity
Microporosity
Which type of furnace uses a continuous flow of iron emerging from the bottom of the furnace?
Cupola Furnace
Electric-arc Furnace
Direct Fuel-fired furnace
Induction Furnace
What is the main advantage of die casting?
Thin sections possible
High production rate
Good dimensional accuracy
Economical
Which type of casting process uses a permanent mold that is rotated about its axis as the molten metal is poured?
Investment casting
Centrifugal casting
Die casting
Shell molding
What is the defect called when two portions of the metal flow together but lack fusion between them?
Cold Shut
Cold Shots
Shrinkage Cavity
Hot Tearing
Which type of casting process is commonly used for producing components of home appliances and motors?
Die casting
Investment casting
Centrifugal casting
Permanent mold casting
What is the main disadvantage of permanent mold casting?
Good surface finish
Low porosity
High production rate
Costly mold
Which type of casting process uses a metal mold constructed of two sections designed for easy, precise opening and closing?
Centrifugal casting
Permanent mold casting
Investment casting
Die casting
