Test: Metal Casting - 1

Question 1

The main purpose of chaplets is

Accepted Answer

to support the cores

Answer

to ensure directional solidification

Answer

to provide efficient venting

Answer

for aligning the mold boxes

Question 2

A mould has a downsprue whose length is 20 cm and the cross sectional area at the base of the downsprue is 1cm². The downsprue feeds a horizontal runner leading into the mould cavity of volume 1000 cm³. The time required to fill the mould cavity will be

Accepted Answer

5.05 s

Answer

4.05 s

Answer

6.05 s

Answer

7.25 s

Question 3

While cooling, a cubical casting of side 40 mm undergoes 3%, 4% and 5% volume shrinkage during the liquid state, phase transition and solid state, respectively. The volume of metal compensated from the riser is

Accepted Answer

7%

Answer

2%

Answer

8%

Answer

9%

Question 4

Which of the following materials can be used for making patterns?

1. Aluminium

2. Wax

3. Stainless steel

4. Lead

Select the correct answer using the codes given below:

Accepted Answer

1, 2 and 3

Answer

1,3 and 4

Answer

2,3 and 4

Answer

1, 2 and 4

Question 5

Shrinkage allowance on pattern is provided to compensate for shrinkage when

Accepted Answer

the temperature of solid phase drops from freezing to room temperature

Answer

the temperature of liquid metal drops from pouring to freezing temperature

Answer

the metal changes from liquid to solid state at freezing temperature

Answer

the temperature of metal drops from pouring to room temperature

Question 6

In the grain -size determination using standard charts, the relation between the given size number n and the average number of grains 'N' per square inch at a magnification of 100 X is

Accepted Answer

N = 2n-1

Answer

N = 2n &#160;

Answer

N = 2^{n + 1}

Answer

N = 2ⁿ + 1

Question 7

A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below:

1. Down sprue 2. Runner bar 3. Ingates

The correct sequence of the above elements in the ratio 1: 2: 4 is

Accepted Answer

1, 2 and 3 &#160;

Answer

1,3 and 2 &#160;

Answer

2, 3 and 1 &#160;

Answer

3, 1 an 2&#160;

Question 8

Which one of the following gating systems is best suited to obtain directional solidification?

Accepted Answer

Stepped grating

Answer

Top grating

Answer

Part-line grating

Answer

Bottom grating

Question 9

According to Chvorinov's equation, the solidification time of a casting is proportional to:

v = volume of casting

Accepted Answer

v2 &#160;

Answer

v &#160;

Answer

1/v &#160;

Answer

1/v2

Question 10

With a solidification factor of 0.97 x 10² s/m², the solidification time (in seconds) for a spherical casting of 200 mm diameter is

[GATE-2003]

Accepted Answer

1078

Answer

539

Answer

4311

Answer

3233

Question 11

Chills are used in moulds to

Accepted Answer

achieve directional solidification

Answer

reduce the possibility of blowholes

Answer

reduce freezing time

Answer

smoothen metal flow for reducing splatter.

Question 12

Assertion (A): Steel can be melted in hot blast cupola.

Reason (R): In hot blast cupola, the flue gases are used to preheat the air blast to the cupola so that the temperature in the furnace is considerably higher than that in a conventional cupola.

Accepted Answer

Both A and R are true and R is the correct explanation of A

Answer

Both A and R arc true but R is NOT the correct explanation of A

Answer

A is true hut R is false

Answer

A is false but R is true

Question 13

Scab is a&#160; &#160; &#160; &#160; &#160;

Accepted Answer

sand casting defect

Answer

machining defect

Answer

welding defect

Answer

forging defect

Question 14

Which of the following are employed in shell moulding?

1. Resin binder 2. Metal pattern 3. Heating coils

Select the correct answer using the code given below:

Accepted Answer

1, 2 and 3&#160;

Answer

1 and 2 only

Answer

1 and 3 only

Answer

2 and 3 only

Question 15

The mould in shell moulding process is made up of which of the following?

Accepted Answer

Dried silica + phenolic resin

Answer

Gypsum + setting agents

Answer

Green sand + clay

Answer

Sodium silicate + dried sand

Question 16

Which of the following materials are used for making patterns in investment casting method?
1. Wax 2. Rubber 3. Wood 4. Plastic

Select the correct answer using the codes given below:

Accepted Answer

Only 1, 2 and 4

Answer

Only 1 and 3

Answer

Only 2 and 3

Answer

Only 2, 3 and 4

Question 17

During normalizing process of steel, the specimen is heated

Accepted Answer

Above the upper critical temperature and cooled in still air.

Answer

Between the upper and lower critical temperature and cooled in still air.

Answer

Above the upper critical temperature and cooled in furnace.

Answer

Between the upper and lower critical temperature and cooled in furnace.

Question 18

Which of the following are produced by slush casting?

Accepted Answer

Hollow castings with thin walls

Answer

Hollow castings with thick walls

Answer

Thin castings

Answer

Thick castings

Question 19

In which of the following are metal moulds used?

Accepted Answer

Die casting process

Answer

Greensand mould

Answer

Dry sand mould

Answer

Loam moulding

Question 20

Match List I with List II and select the correct answer using the codes given below the lists:

Accepted Answer

A

Answer

B

Answer

C

Answer

D

GATE Mechanical (ME) Test: Metal Casting - 1 Free Online Test 2026

MCQ Practice Test & Solutions: Test: Metal Casting - 1 (20 Questions)

The main purpose of chaplets is

A mould has a downsprue whose length is 20 cm and the cross sectional area at the base of the downsprue is 1cm². The downsprue feeds a horizontal runner leading into the mould cavity of volume 1000 cm³. The time required to fill the mould cavity will be

While cooling, a cubical casting of side 40 mm undergoes 3%, 4% and 5% volume shrinkage during the liquid state, phase transition and solid state, respectively. The volume of metal compensated from the riser is

Which of the following materials can be used for making patterns?
1. Aluminium
2. Wax
3. Stainless steel
4. Lead
Select the correct answer using the codes given below:

Shrinkage allowance on pattern is provided to compensate for shrinkage when

In the grain -size determination using standard charts, the relation between the given size number n and the average number of grains 'N' per square inch at a magnification of 100 X is

A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below:
1. Down sprue 2. Runner bar 3. Ingates
The correct sequence of the above elements in the ratio 1: 2: 4 is

Which one of the following gating systems is best suited to obtain directional solidification?

According to Chvorinov's equation, the solidification time of a casting is proportional to:
v = volume of casting

With a solidification factor of 0.97 x 10² s/m², the solidification time (in seconds) for a spherical casting of 200 mm diameter is
[GATE-2003]

Chills are used in moulds to

Assertion (A): Steel can be melted in hot blast cupola.
Reason (R): In hot blast cupola, the flue gases are used to preheat the air blast to the cupola so that the temperature in the furnace is considerably higher than that in a conventional cupola.

Scab is a

Which of the following are employed in shell moulding?
1. Resin binder 2. Metal pattern 3. Heating coils
Select the correct answer using the code given below:

The mould in shell moulding process is made up of which of the following?

Which of the following materials are used for making patterns in investment casting method?
1. Wax 2. Rubber 3. Wood 4. Plastic
Select the correct answer using the codes given below:

During normalizing process of steel, the specimen is heated

Which of the following are produced by slush casting?

In which of the following are metal moulds used?

Match List I with List II and select the correct answer using the codes given below the lists:

GATE Mechanical (ME) Mock Test Series 2027

GATE Mechanical (ME) Mock Test Series 2027

Top Courses for Mechanical Engineering

About this Mechanical Engineering Practice Test

Explore more Mechanical Engineering Study Resources

GATE Mechanical (ME) Test: Metal Casting - 1 Free Online Test 2026

MCQ Practice Test & Solutions: Test: Metal Casting - 1 (20 Questions)

The main purpose of chaplets is

A mould has a downsprue whose length is 20 cm and the cross sectional area at the base of the downsprue is 1cm2. The downsprue feeds a horizontal runner leading into the mould cavity of volume 1000 cm3. The time required to fill the mould cavity will be

While cooling, a cubical casting of side 40 mm undergoes 3%, 4% and 5% volume shrinkage during the liquid state, phase transition and solid state, respectively. The volume of metal compensated from the riser is

Which of the following materials can be used for making patterns? 1. Aluminium 2. Wax 3. Stainless steel4. LeadSelect the correct answer using the codes given below:

Shrinkage allowance on pattern is provided to compensate for shrinkage when

In the grain -size determination using standard charts, the relation between the given size number n and the average number of grains 'N' per square inch at a magnification of 100 X is

A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below: 1. Down sprue 2. Runner bar 3. IngatesThe correct sequence of the above elements in the ratio 1: 2: 4 is

Which one of the following gating systems is best suited to obtain directional solidification?

According to Chvorinov's equation, the solidification time of a casting is proportional to: v = volume of casting

With a solidification factor of 0.97 x 102 s/m2, the solidification time (in seconds) for a spherical casting of 200 mm diameter is [GATE-2003]

Chills are used in moulds to

Assertion (A): Steel can be melted in hot blast cupola. Reason (R): In hot blast cupola, the flue gases are used to preheat the air blast to the cupola so that the temperature in the furnace is considerably higher than that in a conventional cupola.

Scab is a

Which of the following are employed in shell moulding?1. Resin binder 2. Metal pattern 3. Heating coilsSelect the correct answer using the code given below:

The mould in shell moulding process is made up of which of the following?

Which of the following materials are used for making patterns in investment casting method? 1. Wax 2. Rubber 3. Wood 4. PlasticSelect the correct answer using the codes given below:

During normalizing process of steel, the specimen is heated

Which of the following are produced by slush casting?

In which of the following are metal moulds used?

Match List I with List II and select the correct answer using the codes given below the lists:

GATE Mechanical (ME) Mock Test Series 2027

GATE Mechanical (ME) Mock Test Series 2027

Top Courses for Mechanical Engineering

About this Mechanical Engineering Practice Test

Explore more Mechanical Engineering Study Resources

A mould has a downsprue whose length is 20 cm and the cross sectional area at the base of the downsprue is 1cm². The downsprue feeds a horizontal runner leading into the mould cavity of volume 1000 cm³. The time required to fill the mould cavity will be

Which of the following materials can be used for making patterns?
1. Aluminium
2. Wax
3. Stainless steel
4. Lead
Select the correct answer using the codes given below:

A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below:
1. Down sprue 2. Runner bar 3. Ingates
The correct sequence of the above elements in the ratio 1: 2: 4 is

According to Chvorinov's equation, the solidification time of a casting is proportional to:
v = volume of casting

With a solidification factor of 0.97 x 10² s/m², the solidification time (in seconds) for a spherical casting of 200 mm diameter is
[GATE-2003]

Assertion (A): Steel can be melted in hot blast cupola.
Reason (R): In hot blast cupola, the flue gases are used to preheat the air blast to the cupola so that the temperature in the furnace is considerably higher than that in a conventional cupola.

Which of the following are employed in shell moulding?
1. Resin binder 2. Metal pattern 3. Heating coils
Select the correct answer using the code given below:

Which of the following materials are used for making patterns in investment casting method?
1. Wax 2. Rubber 3. Wood 4. Plastic
Select the correct answer using the codes given below: