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