Question 1

The melting unit is an integral part of

Accepted Answer

A) the cold chamber diecastings machine 
B) the hot chamber die casting machine 
C) both (
A)  and (
B)  above 
A) the cold chamber diecastings machine 
B) the hot chamber die casting machine 
C) both (
A)  and (
B)  above B

Question 2

The disadvantage of hot blast cupola is

Accepted Answer

A) low coke consumption 
B) reduced silicon loss 
C) reduced output silicon loss 
D) all of the above 
A) low coke consumption 
B) reduced silicon loss 
C) reduced output silicon loss 
D) all of the above D

Question 3

Oil used for core sand is

Accepted Answer

A) molasses 
B) linseed oil 
C) mineral oil 
D) any of the above 
A) molasses 
B) linseed oil 
C) mineral oil 
D) any of the above D

Question 4

Wax patterns are used in

Accepted Answer

A) non-ferrous castings 
B) investment casting process 
C) machine moulding process 
D) all of the above 
A) non-ferrous castings 
B) investment casting process 
C) machine moulding process 
D) all of the above

Question 5

In copper alloy foundry which of the following is used to prevent the molten metal from being oxidized?

Accepted Answer

A) phophorous 
B) bone ash 
C) calcium carbonate 
D) charcoal 
A) phophorous 
B) bone ash 
C) calcium carbonate 
D) charcoal

Question 6

A spoke shave is a

Accepted Answer

A) planing tool 
B) sawing tool 
C) boring tool 
D) layout tool 
A) planing tool 
B) sawing tool 
C) boring tool 
D) layout tool

Question 7

Which of the following statement about core is incorrect?

Accepted Answer

A) core should be capable of collapsing after the molten metal has solidified around it 
B) core should produce maximum amount of gas when in contact with molten metal 
C) core should be capable of collapsing shortly after the molten metal has solidified around it 
D) core should be permeable to escape of core gases 
A) core should be capable of collapsing after the molten metal has solidified around it 
B) core should produce maximum amount of gas when in contact with molten metal 
C) core should be capable of collapsing shortly after the molten metal has solidified around it 
D) core should be permeable to escape of core gases

Question 8

Swab is used for

Accepted Answer

A) applying water to the mould around the edge of the pattern 
B) shaking pattern to facilitate its with drawl from the mould 
C) repairing and finishing of mould 
D) none of the above 
A) applying water to the mould around the edge of the pattern 
B) shaking pattern to facilitate its with drawl from the mould 
C) repairing and finishing of mould 
D) none of the above

Question 9

Solidification time for riser should be

Accepted Answer

A) less than that of the casting 
B) same as that for the casting 
C) more than that of the casting 
A) less than that of the casting 
B) same as that for the casting 
C) more than that of the casting

Question 10

All of the following operations on castings are carried out for surface appearance improvement EXCEPT

Accepted Answer

A) Galvanising 
B) Chilling 
C) Electroplating 
D) Enamelling 
A) Galvanising 
B) Chilling 
C) Electroplating 
D) Enamelling

Question 11

The burnt on sand causes difficulty in

Accepted Answer

A) machining of castings 
B) removal of castings from moulds 
C) separation of sand and castings after pouring 
D) all of the above 
A) machining of castings 
B) removal of castings from moulds 
C) separation of sand and castings after pouring 
D) all of the above

Question 12

The percentage of sulphur in pig iron is generally

Accepted Answer

A) 0.8% to 0.9% 
B) 0.01% to 0.3% 
C) 0.3% to 0.55% 
D) 0.6% to 0.79% 
A) 0.8% to 0.9% 
B) 0.01% to 0.3% 
C) 0.3% to 0.55% 
D) 0.6% to 0.79%

Question 13

Pneumatic tools find application in foundries normally for

Accepted Answer

A) fin removal 
B) surface finish 
C) filling of cavities 
D) none of the above 
A) fin removal 
B) surface finish 
C) filling of cavities 
D) none of the above

Question 14

In case of consumable patterns

Accepted Answer

A) labour charges are reduced 
B) core is not required 
C) moulds are unsplit 
D) all of the above 
A) labour charges are reduced 
B) core is not required 
C) moulds are unsplit 
D) all of the above

Question 15

Which of the following is very powerful carbide former in cast iron?

Accepted Answer

A) Chromium 
B) Nickel 
C) Vanadium 
D) Silicon 
A) Chromium 
B) Nickel 
C) Vanadium 
D) Silicon

Question 16

Sweep patterns are used to prepare mould of

Accepted Answer

A) symmetrical and regular shapes 
B) unsymmetrical and regular shapes 
C) unsymmetrical and irregular shapes 
D) none of the above 
A) symmetrical and regular shapes 
B) unsymmetrical and regular shapes 
C) unsymmetrical and irregular shapes 
D) none of the above

Question 17

While selecting wood for patterns, one should

Accepted Answer

A) discard the rot 
B) discard the seasoned wood 
C) select the fresthy filled wood 
D) select the cross-grained woods 
A) discard the rot 
B) discard the seasoned wood 
C) select the fresthy filled wood 
D) select the cross-grained woods

Question 18

Rammer used for moulding the sand in large mould known as

Accepted Answer

A) Hand rammer 
B) Peen rammer 
C) Floor rammer 
A) Hand rammer 
B) Peen rammer 
C) Floor rammer

Question 19

Which parameter can be used for the measurement of melt in a foundry?

Accepted Answer

A) Thermo couple pyrometer 
B) Optical pyrometer 
C) Radiation pyrometer 
D) none of the above 
A) Thermo couple pyrometer 
B) Optical pyrometer 
C) Radiation pyrometer 
D) none of the above

Question 20

Which of the following metals has the lowest melting point?

Accepted Answer

A) Magnesium 
B) Aluminium 
C) Silver 
D) Brass 
A) Magnesium 
B) Aluminium 
C) Silver 
D) Brass

The melting unit is an integral part of

The disadvantage of hot blast cupola is

Oil used for core sand is

Wax patterns are used in

In copper alloy foundry which of the following is used to prevent the molten metal from being oxidized?

A spoke shave is a

Which of the following statement about core is incorrect?

Swab is used for

Solidification time for riser should be

All of the following operations on castings are carried out for surface appearance improvement EXCEPT

The burnt on sand causes difficulty in

The percentage of sulphur in pig iron is generally

Pneumatic tools find application in foundries normally for

In case of consumable patterns

Which of the following is very powerful carbide former in cast iron?

Sweep patterns are used to prepare mould of

While selecting wood for patterns, one should

Rammer used for moulding the sand in large mould known as

Which parameter can be used for the measurement of melt in a foundry?

Which of the following metals has the lowest melting point?

Foundry Processes and Materials

Foundry and Casting

Casting Techniques and Processes

Foundry and Casting Processes: Properties, Tools, and Methods

Casting and Foundry Technology

Casting and Moulding Processes: Part A

Casting and Moulding Processes: Part B

Foundry Processes and Techniques

Casting Processes and Materials

Casting and Moulding Processes: Techniques and Defects

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Exam 6: Foundry Operations and Techniques

The melting unit is an integral part of

The disadvantage of hot blast cupola is

Oil used for core sand is

Wax patterns are used in

In copper alloy foundry which of the following is used to prevent the molten metal from being oxidized?

A spoke shave is a

Which of the following statement about core is incorrect?

Swab is used for

Solidification time for riser should be

All of the following operations on castings are carried out for surface appearance improvement EXCEPT

The burnt on sand causes difficulty in

The percentage of sulphur in pig iron is generally

Pneumatic tools find application in foundries normally for

In case of consumable patterns

Which of the following is very powerful carbide former in cast iron?

Sweep patterns are used to prepare mould of

While selecting wood for patterns, one should

Rammer used for moulding the sand in large mould known as

Which parameter can be used for the measurement of melt in a foundry?

Which of the following metals has the lowest melting point?

Foundry Processes and Materials

Foundry and Casting

Casting Techniques and Processes

Foundry and Casting Processes: Properties, Tools, and Methods

Casting and Foundry Technology

Casting and Moulding Processes: Part A

Casting and Moulding Processes: Part B

Foundry Processes and Techniques

Casting Processes and Materials

Casting and Moulding Processes: Techniques and Defects

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