Question 1

In melting of aluminium, the dross consists of

Accepted Answer

A) oxides of aluminium, magnesium etc. 
B) sand and dust 
C) lighter material 
D) none of the above 
A) oxides of aluminium, magnesium etc. 
B) sand and dust 
C) lighter material 
D) none of the above A

Question 2

Shatter test is a measure of

Accepted Answer

A) sand toughness 
B) sand adhesiveness 
C) sand cohesiveness 
D) none of the above 
A) sand toughness 
B) sand adhesiveness 
C) sand cohesiveness 
D) none of the above A

Question 3

Cohesiveness of sand depends on

Accepted Answer

A) grain size and shape of sand particles 
B) bonding material 
C) moisture content 
D) all of the above 
A) grain size and shape of sand particles 
B) bonding material 
C) moisture content 
D) all of the above D

Question 4

In fluminium foundry, for removing dissolved hydrogen and the entrapped dross, the flux used is

Accepted Answer

A) nitrogen 
B) helium 
C) chlorine 
D) any of the above 
A) nitrogen 
B) helium 
C) chlorine 
D) any of the above

Question 5

High pouring rate leads to

Accepted Answer

A) mould erosion 
B) rough surface 
C) excessive shrinkage 
D) any of the above 
A) mould erosion 
B) rough surface 
C) excessive shrinkage 
D) any of the above

Question 6

Sand is broadly specified by

Accepted Answer

A) grain size 
B) colour 
C) moisture content 
D) all of the above together 
A) grain size 
B) colour 
C) moisture content 
D) all of the above together

Question 7

The sand used for filling the bulk of the moulding flask

Accepted Answer

A) Facing sand 
B) Dry-sand 
C) Floor sand 
A) Facing sand 
B) Dry-sand 
C) Floor sand

Question 8

Shell moulding is uneconomical for

Accepted Answer

A) small castings 
B) large scale production 
C) small scale production 
D) all of the above 
A) small castings 
B) large scale production 
C) small scale production 
D) all of the above

Question 9

Choose the correct statement in respect of die casting machine

Accepted Answer

A) In hot chamber die casting machine the metal is melted in the machine itself 
B) In cold chamber die casting machine metal of low melting point is cast 
C) In cold chamber die casting machine there is no need to cool the die from outside 
D) none of the above 
A) In hot chamber die casting machine the metal is melted in the machine itself 
B) In cold chamber die casting machine metal of low melting point is cast 
C) In cold chamber die casting machine there is no need to cool the die from outside 
D) none of the above

Question 10

Hand tool used in foundry shop for mixing and conditioning the foundry sand is termed

Accepted Answer

A) Shovel 
B) Trowel 
C) Riddle 
A) Shovel 
B) Trowel 
C) Riddle

Question 11

The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed as

Accepted Answer

A) Slincks 
B) Lifters or cleaners 
C) Trowels 
A) Slincks 
B) Lifters or cleaners 
C) Trowels

Question 12

Which of the following test on castings is based on sound?

Accepted Answer

A) Magnetic particle inspections 
B) Percussion test 
C) Impact test 
D) Radiographic 
A) Magnetic particle inspections 
B) Percussion test 
C) Impact test 
D) Radiographic

Question 13

Which of the following statement about gates is incorrect?

Accepted Answer

A) he size of gate depends upon the rate of solidification 
B) More than one gate may be used to feed a fast freezing casting 
C) A gate should not have sharp edges 
D) A small gate is used for castings which solidify rapidly 
A) he size of gate depends upon the rate of solidification 
B) More than one gate may be used to feed a fast freezing casting 
C) A gate should not have sharp edges 
D) A small gate is used for castings which solidify rapidly

Question 14

Clay content of green sand is usually

Accepted Answer

A) 5 to 10 percent 
B) 1 to 3 percent 
C) 30 to 50 percent 
D) 18 to 30 percent 
A) 5 to 10 percent 
B) 1 to 3 percent 
C) 30 to 50 percent 
D) 18 to 30 percent

Question 15

Pig iron is obtained from iron ore, in a blast furnace by the process of

Accepted Answer

A) oxidation 
B) desulphurisation 
C) reduction 
D) carbonation 
A) oxidation 
B) desulphurisation 
C) reduction 
D) carbonation

Question 16

Which grain shape of sand particles is least preferred for foundry sands?

Accepted Answer

A) Round 
B) Compound 
C) angular 
A) Round 
B) Compound 
C) angular

Question 17

The thicker sections of casting will have a tendency to have

Accepted Answer

A) grains coarser than thinner sections 
B) grains finer than thinner sections 
C) grains of sme size as rest of the casting 
D) none of the above 
A) grains coarser than thinner sections 
B) grains finer than thinner sections 
C) grains of sme size as rest of the casting 
D) none of the above

Question 18

The disadvantage in using wood as the material for pattern making is

Accepted Answer

A) it is lighter than the metal to be cast 
B) its different strength along the grains and across the grains 
C) its low cost 
D) it gets warped when not stored properly 
A) it is lighter than the metal to be cast 
B) its different strength along the grains and across the grains 
C) its low cost 
D) it gets warped when not stored properly

Question 19

In case of arc furnaces electric supply for electrodes consists of

Accepted Answer

A) low voltage and high current 
B) low voltage and low current 
C) high voltage and high current 
D) high voltage and low current 
A) low voltage and high current 
B) low voltage and low current 
C) high voltage and high current 
D) high voltage and low current

Question 20

Chaplets are made of

Accepted Answer

A) wood 
B) metal 
C) organic matter 
D) core sand 
A) wood 
B) metal 
C) organic matter 
D) core sand

In melting of aluminium, the dross consists of

Shatter test is a measure of

Cohesiveness of sand depends on

In fluminium foundry, for removing dissolved hydrogen and the entrapped dross, the flux used is

High pouring rate leads to

Sand is broadly specified by

The sand used for filling the bulk of the moulding flask

Shell moulding is uneconomical for

Choose the correct statement in respect of die casting machine

Hand tool used in foundry shop for mixing and conditioning the foundry sand is termed

The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed as

Which of the following test on castings is based on sound?

Which of the following statement about gates is incorrect?

Clay content of green sand is usually

Pig iron is obtained from iron ore, in a blast furnace by the process of

Which grain shape of sand particles is least preferred for foundry sands?

The thicker sections of casting will have a tendency to have

The disadvantage in using wood as the material for pattern making is

In case of arc furnaces electric supply for electrodes consists of

Chaplets are made of

Foundry Processes and Materials

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

Casting and Moulding Processes: Techniques and Defects

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Exam 2: Foundry and Casting

In melting of aluminium, the dross consists of

Shatter test is a measure of

Cohesiveness of sand depends on

In fluminium foundry, for removing dissolved hydrogen and the entrapped dross, the flux used is

High pouring rate leads to

Sand is broadly specified by

The sand used for filling the bulk of the moulding flask

Shell moulding is uneconomical for

Choose the correct statement in respect of die casting machine

Hand tool used in foundry shop for mixing and conditioning the foundry sand is termed

The moulding tool used for finishing/repairing the sand mould after pattern withdrawal is termed as

Which of the following test on castings is based on sound?

Which of the following statement about gates is incorrect?

Clay content of green sand is usually

Pig iron is obtained from iron ore, in a blast furnace by the process of

Which grain shape of sand particles is least preferred for foundry sands?

The thicker sections of casting will have a tendency to have

The disadvantage in using wood as the material for pattern making is

In case of arc furnaces electric supply for electrodes consists of

Chaplets are made of

Foundry Processes and Materials

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

Casting and Moulding Processes: Techniques and Defects

Filters