Question 1

Lowest pouring temperature alloy is

Accepted Answer

A) Phosphor bronze 
B) Cupro nickel alloy 
C) Monel metal 
D) Tin bronze 
A) Phosphor bronze 
B) Cupro nickel alloy 
C) Monel metal 
D) Tin bronze C

Question 2

The methods of casting for producing ornamental pieces are

Accepted Answer

A) pressed and slush casting 
B) slush and gravity casting 
C) gravity and semi permanent mould casting 
D) none of the above 
A) pressed and slush casting 
B) slush and gravity casting 
C) gravity and semi permanent mould casting 
D) none of the above A

Question 3

In radiography test on castings which of the following rays are never used?

Accepted Answer

A) X-rays 
B) beta rays 
C) gamma rays 
D) all of the above 
A) X-rays 
B) beta rays 
C) gamma rays 
D) all of the above B

Question 4

Silica is the second most important constituent of moulding sand which provides

Accepted Answer

A) binding strength 
B) refractoriness 
C) chemical resistance 
D) none of the above 
A) binding strength 
B) refractoriness 
C) chemical resistance 
D) none of the above

Question 5

Metal moulds are used in

Accepted Answer

A) dry sand moulding 
B) green sand moulding 
C) die casting process 
D) loam moulding 
A) dry sand moulding 
B) green sand moulding 
C) die casting process 
D) loam moulding

Question 6

Pattern draft for internal surfaces is (in mm/m)

Accepted Answer

A) 10 -- 30 
B) 50 - 80 
C) 40 - 70 
A) 10 -- 30 
B) 50 - 80 
C) 40 - 70

Question 7

The defect known as 'drop' occurs when the upper surface of the mould cracks and pieces of sand fall into the molten metal. This defect occurs due to

Accepted Answer

A) low mould hardness 
B) insufficient reinforcement 
C) low green strength 
D) any of the above 
A) low mould hardness 
B) insufficient reinforcement 
C) low green strength 
D) any of the above

Question 8

Contraction of metal starts at the end of

Accepted Answer

A) mushy stage 
B) plastic stage 
C) liquid stage 
D) solid stage 
A) mushy stage 
B) plastic stage 
C) liquid stage 
D) solid stage

Question 9

Local stress relief treatments are generally given to

Accepted Answer

A) small castings 
B) non-ferrous castings 
C) all castings 
D) too large castings 
A) small castings 
B) non-ferrous castings 
C) all castings 
D) too large castings

Question 10

Which of the following is used on moulds for magnesium castings to prevent metal mould reactions?

Accepted Answer

A) Boric sulphur 
B) Molasses 
C) Charcoal 
D) all of the above 
A) Boric sulphur 
B) Molasses 
C) Charcoal 
D) all of the above

Question 11

Flash occurs on diecastings at the

Accepted Answer

A) gatting system 
B) ejection pins 
C) vents between the dies 
D) parting surface of two dies 
A) gatting system 
B) ejection pins 
C) vents between the dies 
D) parting surface of two dies

Question 12

Investment casting finds application in all of the following EXCEPT

Accepted Answer

A) Jet engine nozzles 
B) Milling cutters 
C) Buckets for superchargers 
D) Gold ornaments 
A) Jet engine nozzles 
B) Milling cutters 
C) Buckets for superchargers 
D) Gold ornaments

Question 13

The residual stresses in casting occur due to

Accepted Answer

A) sand particles being taken into molten metal while pouring 
B) the insufficient gate size 
C) the differential solidification rate of thin and thick sections of casting 
D) none of the above 
A) sand particles being taken into molten metal while pouring 
B) the insufficient gate size 
C) the differential solidification rate of thin and thick sections of casting 
D) none of the above

Question 14

On drying the shrinkage of wood is least

Accepted Answer

A) along the grains 
B) across the grains 
C) along the direction of tangent to the annular rings 
A) along the grains 
B) across the grains 
C) along the direction of tangent to the annular rings

Lowest pouring temperature alloy is

The methods of casting for producing ornamental pieces are

In radiography test on castings which of the following rays are never used?

Silica is the second most important constituent of moulding sand which provides

Metal moulds are used in

Pattern draft for internal surfaces is (in mm/m)

The defect known as 'drop' occurs when the upper surface of the mould cracks and pieces of sand fall into the molten metal. This defect occurs due to

Contraction of metal starts at the end of

Local stress relief treatments are generally given to

Which of the following is used on moulds for magnesium castings to prevent metal mould reactions?

Flash occurs on diecastings at the

Investment casting finds application in all of the following EXCEPT

The residual stresses in casting occur due to

On drying the shrinkage of wood is least

Foundry Processes and Materials

Foundry and Casting

Casting Techniques and Processes

Foundry and Casting Processes: Properties, Tools, and Methods

Casting and Foundry Technology

Foundry Operations and Techniques

Casting and Moulding Processes: Part A

Casting and Moulding Processes: Part B

Foundry Processes and Techniques

Casting Processes and Materials

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Exam 11: Casting and Moulding Processes: Techniques and Defects

Lowest pouring temperature alloy is

The methods of casting for producing ornamental pieces are

In radiography test on castings which of the following rays are never used?

Silica is the second most important constituent of moulding sand which provides

Metal moulds are used in

Pattern draft for internal surfaces is (in mm/m)

The defect known as 'drop' occurs when the upper surface of the mould cracks and pieces of sand fall into the molten metal. This defect occurs due to

Contraction of metal starts at the end of

Local stress relief treatments are generally given to

Which of the following is used on moulds for magnesium castings to prevent metal mould reactions?

Flash occurs on diecastings at the

Investment casting finds application in all of the following EXCEPT

The residual stresses in casting occur due to

On drying the shrinkage of wood is least

Foundry Processes and Materials

Foundry and Casting

Casting Techniques and Processes

Foundry and Casting Processes: Properties, Tools, and Methods

Casting and Foundry Technology

Foundry Operations and Techniques

Casting and Moulding Processes: Part A

Casting and Moulding Processes: Part B

Foundry Processes and Techniques

Casting Processes and Materials

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