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?
Questioncasting-forming-welding-questions-answers4.jpg
  • 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
0 h : 0 m : 1 s