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Metal-casting Questions Set 5:

Quiz Mode

Which of the following is a negative allowance in manufacturing?

Shrinkage

Draft

Shake

Distortion

Solution:

What type of pattern is used to make core boxes?

Brass pattern

Plaster pattern

Mercury pattern

Wood pattern

Solution:

The solidification time t_s of a cubical casting is related to its side, a, as

t_s ∝ a^4

t_s ∝ a^3

t_s ∝ a^2

t_s ∝ a

Solution:

Along with plaster of paris, which of the following is added in the plaster-molding process to improve strength and control the setting time?

Iron

Copper

Calcium

Silica

Solution:

Which one of the following non-destructive testing methods is destructive in nature?

Ultrasonic testing

Radiographic testing

Macroscopic testing

Electro-magnetic testing

Solution:

Which of the following is not considered when selecting pattern material?

Chances of repeat orders

Complexity of the casting

Method of molding

Establishing the parting line

Solution:

Which casting process is most suitable for manufacturing connecting rods and pistons for automobiles?

Precision investment casting

Shell moulding

Gravity die casting

Centrifugal casting

Solution:

When alloys solidify over a short range of temperatures, they form

a wholly columnar structure

a wholly dendritic structure

none of the above

a partially columnar and partially dendritic structure

Solution:

When casting very large objects, using a full wooden pattern would require a tremendous amount of timber. In such cases, which of the following patterns can be used?

Sweep pattern

Skeleton pattern

Segmental pattern

Shell pattern

Solution:

A cubic casting of 50 mm side undergoes volumetric solidification shrinkage of 4% and volumetric solid contraction of 6%. No riser is used. Assume uniform cooling in all directions. What is the side length of the cube after solidification and contraction?

48.32 mm

49.90 mm

49.94 mm

49.96 mm

Metal-casting Questions Set 5:

Which of the following is a negative allowance in manufacturing?

Solution:

What type of pattern is used to make core boxes?

Solution:

The solidification time t_s of a cubical casting is related to its side, a, as

Solution:

Along with plaster of paris, which of the following is added in the plaster-molding process to improve strength and control the setting time?

Solution:

Which one of the following non-destructive testing methods is destructive in nature?

Solution:

Which of the following is not considered when selecting pattern material?

Solution:

Which casting process is most suitable for manufacturing connecting rods and pistons for automobiles?

Solution:

When alloys solidify over a short range of temperatures, they form

Solution:

When casting very large objects, using a full wooden pattern would require a tremendous amount of timber. In such cases, which of the following patterns can be used?

Solution:

A cubic casting of 50 mm side undergoes volumetric solidification shrinkage of 4% and volumetric solid contraction of 6%. No riser is used. Assume uniform cooling in all directions. What is the side length of the cube after solidification and contraction?

Solution:

Related Question Sets:

Related Topics:

Metal-casting Questions Set 5:

Which of the following is a negative allowance in manufacturing?

Solution:

What type of pattern is used to make core boxes?

Solution:

The solidification time ts of a cubical casting is related to its side, a, as

Solution:

Along with plaster of paris, which of the following is added in the plaster-molding process to improve strength and control the setting time?

Solution:

Which one of the following non-destructive testing methods is destructive in nature?

Solution:

Which of the following is not considered when selecting pattern material?

Solution:

Which casting process is most suitable for manufacturing connecting rods and pistons for automobiles?

Solution:

When alloys solidify over a short range of temperatures, they form

Solution:

When casting very large objects, using a full wooden pattern would require a tremendous amount of timber. In such cases, which of the following patterns can be used?

Solution:

A cubic casting of 50 mm side undergoes volumetric solidification shrinkage of 4% and volumetric solid contraction of 6%. No riser is used. Assume uniform cooling in all directions. What is the side length of the cube after solidification and contraction?

Solution:

Related Question Sets:

Related Topics:

The solidification time t_s of a cubical casting is related to its side, a, as