Jobs By Abekus

Metal-casting Questions Set 30:

Quiz Mode

Where is water-based refractory slurry used?

centrifugal casting

shell molding

die casting

investment casting

Solution:

Which additives are added to the mould sand to increase the hot strength of the sand?

Iron(III) oxide

Molares

Wood flour

Bentonite

Solution:

Which of the following factors for a riser is not considered in regards to directional solidification?

diameter

location

height

metal to be cast

Solution:

Which of the following materials requires the largest shrinkage allowance when making a pattern for casting?

Brass

Cast iron

Carbon steel

Aluminum

Solution:

Green sand mold indicates that

the polymeric mold has been cured

the mold has been totally dried

the mold is green in color

the mold contains moisture

Solution:

Which of the following aspects is mostly analyzed during the casting and solidification of casting material?

Heat transfer

Mould aesthetics

Mould coating

Mould material

Solution:

Which of the following defects is caused due to the incomplete fusion of two molten metal flows that meet inside the mold from opposite directions?

Misrun

Cold Shut

Hot Tears

None of the above

Solution:

In a two-part mold, the cavity is usually:

always in the cope (top part)

always in the drag (bottom part)

partly in the cope and partly in the drag

not strictly limited to any one part of the mold

Solution:

Consider the sand casting of a rectangular slab. The thickness of the solidified layer is 3 cm after 2 minutes. Find the thickness of the solid layer after 4 minutes, based on Chvorinov's rule. (Assuming other areas are negligible)

5.03 cm

4.94 cm

4.24 cm

3.63 cm

Solution:

Which of the following is true for sand casting?

Liquid shrinkage takes place from molten metal going from freezing temperature to room temperature.

None of the above.

Solid shrinkage takes place from molten metal going from freezing temperature to room temperature.

Solid shrinkage takes place from molten temperature to pouring temperature to freezing temperature.

Metal-casting Questions Set 30:

Where is water-based refractory slurry used?

Solution:

Which additives are added to the mould sand to increase the hot strength of the sand?

Solution:

Which of the following factors for a riser is not considered in regards to directional solidification?

Solution:

Which of the following materials requires the largest shrinkage allowance when making a pattern for casting?

Solution:

Green sand mold indicates that

Solution:

Which of the following aspects is mostly analyzed during the casting and solidification of casting material?

Solution:

Which of the following defects is caused due to the incomplete fusion of two molten metal flows that meet inside the mold from opposite directions?

Solution:

In a two-part mold, the cavity is usually:

Solution:

Consider the sand casting of a rectangular slab. The thickness of the solidified layer is 3 cm after 2 minutes. Find the thickness of the solid layer after 4 minutes, based on Chvorinov's rule. (Assuming other areas are negligible)

Solution:

Which of the following is true for sand casting?

Solution:

Related Question Sets:

Related Topics: