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Casting Forming Welding
Tough Casting
Quiz 1
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Q.1
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
Q.2
Which of the following carries the mould cavity where the metal is to be poured?
a) Casting
b) Pattern
c) Sand
d) Core
Q.3
Which of the following is ‘not’ an allowance given to the pattern for casting?
a) Shrinkage
b) Draft
c) Hole
d) Machining
Q.4
The following diagram shows the application of which of the allowances given to a pattern?
a) Shrinkage allowance
b) Draft allowance
c) Shake allowance
d) Distortion allowance
Q.5
What will be the machining allowance for a bore of a 405mm cast iron object to be casted?
a) 1.0mm
b) 2.0mm
c) 3.0mm
d) 5.0mm
Q.6
The quality of the final product is not dependent on _______________
a) Method of withdrawal of pattern
b) Allowance provided to the pattern
c) The complexity of the casting
d) The metal used in Casting
Q.7
The life of a pattern is most likely to depend upon which of the following term?
a) Number of castings produced
b) Type of cooling rate of the casting
c) Size of the casting
d) Size of the pattern
Q.8
What is the function of cores in the casting process?
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
Q.9
Which of the following is ‘not’ an advantage of the usage of pattern in a casting of metals?
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
Q.10
A draft allowance is provided to ___________
a) All linear faces
b) Only the interior dimensions
c) Only the exterior dimensions
d) Only the dimensions that are perpendicular to the parting plane
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