1. . Which of the following is not a part of the pattern at most times?
(A) Mold cavity
(B) Cope
(C) Molten metal
(D) Core
2. . Name the missing part of the pattern in the diagram labelled as (?)
(A) Core
(B) Riser
(C) Sprue
(D) Mold cavity
3. . The function of a gated pattern is ___________
(A) To produce small castings in mass production
(B) To create castings of a very heavy mass
(C) To create castings containing complex design
(D) To create symmetrical castings
4. . Which of the following factors affect the choice of a pattern at most times?
(A) Size and complexity of the casting
(B) Characteristics of castings
(C) Type of molding and castings method to be used
(D) Type of cooling rates to be provided
5. . Pattern cannot be constructed out of which of the following materials?
(A) Wood
(B) Wax
(C) Oil
(D) Metal
6. . Which of the following is not a criteria for selecting pattern materials?
(A) Method of molding
(B) Establishment of parting line
(C) Chances of repeat orders
(D) Complexity of the casting
7. . Which among the following wood is most widely used for making patterns?
(A) White Pine
(B) Mahogany
(C) Teak
(D) Maple
8. . Which of the following is not a limitation of wooden patterns?
(A) Get abraded easily
(B) Absorb moisture
(C) Difficult machining
(D) Poor wear resistance
9. . Which of the following is not a limitation of metal patterns?
(A) Get rusted
(B) Obtain rough surface finish
(C) Expensive
(D) Heavy