A- CASTING

Question 1

What is a mold that can only be used once and must be rebuilt each time?

Answer 1

EXPANDABLE MOLD METHOD

Question 2

What is the method of turning metal into a molten form and then pouring it into a cavity of the desired shape?

Answer 2

CASTING

Question 3

What is an advantage of CASTING?

Answer 3

organic shapes, cavities and passageways

Question 4

What catches slag and slows down metal flow?

Answer 4

BLIND RISER

Question 5

What blend does the GREEN SAND MOLD use?

Answer 5

SAND+CLAY+MOISTURE
green = moist

Question 6

what is the name of the machine that mixes sand, water, and clay?

Answer 6

MULLING MACHINE

Question 7

What are alternative SANDS for SAND CASTING?

Answer 7

Zircon (ZrSiO4) (high thermal conductivity)
Chromite (FeCr2O4)
Olivine (MgFe)2SiO4

Question 8

What is responsible for all molten metal production?

Answer 8

FURNACE

Question 9

What is added to help wick the water for a uniform moisture distribution?

Answer 9

CEREALS

Question 10

What is the name of the box where casting is performed? What are its components?

Answer 10

FLASK. COPE(top). DRAG(bottom).
LOCKING PINS

Question 11

Which part of the FLASH is created with a tapered dowel?

Answer 11

SPRUE

Question 12

What are transitions in the FLASK called? (ex. sprue to runner)

Answer 12

GATES

Question 13

Which mold has a heated surface layer of 1/2 in?

Answer 13

SKIN DRIED MOLD

Question 14

Which mold is baked after forming?

Answer 14

DRY SAND MOLDS

Question 15

Which mold uses a chemical binder instead of heat?

Answer 15

COLD CURE MOLDS

Question 16

What is processed sand, uniform pure silica sand called?

Answer 16

SHARP/LAKE SAND

Question 17

What are the three ingredients that BLEND for the perfect molding medium?

Answer 17

WATER, CLAY AND SAND