Which of the following statement is true?
a) Casting is the replica of the object to be cast
b) Pattern is the replica of the casting object
c) Casting and the pattern are same things
d) Molten material is casted into the casting cavity
a) Casting is the replica of the object to be cast
b) Pattern is the replica of the casting object
c) Casting and the pattern are same things
d) Molten material is casted into the casting cavity
a) Casting
b) Pattern
c) Sand
d) Core
a) Shrinkage
b) Draft
c) Hole
d) Machining
a) 1.0mm
b) 2.0mm
c) 3.0mm
d) 5.0mm
a) Method of withdrawal of pattern
b) Allowance provided to the pattern
c) The complexity of the casting
d) The metal used in Casting
a) Number of castings produced
b) Type of cooling rate of the casting
c) Size of the casting
d) Size of the pattern
a) To support the pattern
b) To provide differential cooling rates at specific portions
c) To make holes and cavities
d) For ease of flow of the molten material
a) Using patterns to cast objects, less time is consumed for mass production
b) It is cost efficient and profitable for mass production
c) Production of the pattern requires extra effort to cast the object
d) Cores in the pattern could be used to decrease the amount of machining done for making cavities