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WorksheetsBasics of metal casting
Total questions: 14
Worksheet time: 16mins
1. Which of the following statement is true?
Casting is the replica of the object to be cast
Pattern is the replica of the casting object
Casting and the pattern are same things
Molten material is casted into the casting cavity
Which of the following carries the mold cavity where the metal is to be poured?
Casting
Pattern
Sand
Core
Which of the following is not a part of the pattern at most times?
Mould cavity
Cope
Molten metal
Core
Name the missing part of the pattern in the diagram labelled as (?)?
Core
Riser
Sprue
Mould cavity
Which of the following helps connecting runner and the mold cavity?
Sprue
Riser
Gate
Pouring cup
Sprue in casting refers to.......
Gate
Runner
Riser
Vertical passage
Which of the following is not a function of a core?
It is used to form internal cavities
It is used to form a part of green sand mould
It is used as a part of gating system
It is used as a part of furnace
The low permeability in sand can cause which of the following defects in casting
Rough surface
Blow holes
Hot Tears
Drop
The distortion in casting cannot be prevented by
modification of casting design
modification of casting design
providing sufficient machining allowance to cover the distortion effect
providing proper shrinkage allowance
Which of the following is true in case of directional solidification?
all parts of a casting do not cool at the same time due to varying cross sections
The rate of heat loss varies to adjoining mould walls
The thinnest section solidify first and the riser solidify last
Which of the following is true about riser?
It permits the molten metal to rise above the highest point in the casting.
Filling up of mould cavity can be visually checked from it.
The casting solidifies directionally towards the riser
Which of the following is not a casting defect?
Swell
Hot Tears
Shrinkage
Hot Cracks
The function of cores in casting is to
form extended parts
form internal cavities
used for directional solidification
none of the above
Use of runner, risers and cores are eliminated in
Centrifuged casting
Die casting
Permanent mould casting
Semi permanent mould casting
