Question 1

High silicon irons are

Accepted Answer

A) resistant to wear 
B) brown in colour 
C) machinable 
D) malleable 
A) resistant to wear 
B) brown in colour 
C) machinable 
D) malleable

Question 2

Normal shrinkage allowance for aluminium is 18 mm per metre and that for cast iron 10 mm per metrD. If the metal pattern is to be made of aluminium and the casting is to be of cast iron, the shrinkage allowed on wooden master pattern will be

Accepted Answer

A) 10 mm/metre 
B) 28 mm/metre 
C) 8 mm/metre 
D) 18 mm/metre 
A) 10 mm/metre 
B) 28 mm/metre 
C) 8 mm/metre 
D) 18 mm/metre

Question 3

In case of copper, the pouring temperature is around

Accepted Answer

A) 1160°C 
B) 1060°C 
C) 1260°C 
D) 1450°C 
A) 1160°C 
B) 1060°C 
C) 1260°C 
D) 1450°C

Question 4

If an old casting is to be used as a pattern, to account for various allowances.

Accepted Answer

A) to provide draw screws, holes can be drilled and tapped in the castings 
B) the castings are cleaned and made smooth 
C) casting is shaken while withdrawing from mould 
D) the surfaces are lagged with thin strips of wood or leater 
A) to provide draw screws, holes can be drilled and tapped in the castings 
B) the castings are cleaned and made smooth 
C) casting is shaken while withdrawing from mould 
D) the surfaces are lagged with thin strips of wood or leater

Question 5

Slag in a blast furnace is

Accepted Answer

A) lighter than molten iron 
B) heavier than molten iron 
A) lighter than molten iron 
B) heavier than molten iron

High silicon irons are

Normal shrinkage allowance for aluminium is 18 mm per metre and that for cast iron 10 mm per metrD. If the metal pattern is to be made of aluminium and the casting is to be of cast iron, the shrinkage allowed on wooden master pattern will be

In case of copper, the pouring temperature is around

If an old casting is to be used as a pattern, to account for various allowances.

Slag in a blast furnace is

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

Foundry Processes and Techniques

Casting Processes and Materials

Casting and Moulding Processes: Techniques and Defects

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Exam 8: Casting and Moulding Processes: Part B

High silicon irons are

Normal shrinkage allowance for aluminium is 18 mm per metre and that for cast iron 10 mm per metrD. If the metal pattern is to be made of aluminium and the casting is to be of cast iron, the shrinkage allowed on wooden master pattern will be

In case of copper, the pouring temperature is around

If an old casting is to be used as a pattern, to account for various allowances.

Slag in a blast furnace is

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

Foundry Processes and Techniques

Casting Processes and Materials

Casting and Moulding Processes: Techniques and Defects

Filters