Moulders Theory N2 — Document

November 2022 — N2 — Moulders Theory

N2 2022 Nated Engineering

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Q1— Section header —

1.1List the steps in core making (4\

1.2Name the different types of cores. (6\

1.3What are the essential qualities of core sand? (5\

1.4List the types of core boxes. (5\ [20]20

Q2— Section header —

2.1List the different types of moulding machines (5\

2.2What are the types of moulding use in the foundry? (9\

2.3What are the advantages of dry sand moulding? (5\ [19]19

Q3— Section header —

3.1List the properties of moulding sand. (6\

3.2What are the elements of a gating system? (6\

3.3What is a core and a core print? (4\

3.4List the various casting processes (8\

3.5What are fin and run out? (2\

3.6What are cold shuts and hot tears? (2\

3.7List the specific advantages of the CO moulding process (4\

3.8Define AFS grain fineness number (5\

3.9sand quality sand grains binders

3.10Uncontrolled permeability in the green sand moulds leads to blow holes. Explain this statement. (5\ (11021152\ Copyright reserved Please turn over

3.11oam hromite

Q5— Section header —

5.1kind of piece pattern

5.2Which type of pattern is used for the mounting several patterns at a time

5.3Wood for pat 0%

5.4The draft allowance on metallic pattern compar ed to wooden pattern

5.5A m atch plate pattern is used in ...

5.6The draft allowance on pattern is provided in order to ..

5.7The mould is housed in a ... lask

5.8The allowances provided in disposable patterns are ... shrinkage and finish distortion

5.9Surfaces to be machined are marked on the pattern in ... black

5.10Colour is used pattern allowances

Q5— Section header —

Mark Allocation

Total100 marks

Sections20 + 19 + 44 + 10 = 93 marks

Paper information

TitleDocument

SubjectMoulders Theory

LevelN2

Document typeQuestion paper

Year2022

MonthNovember

Pages6

Downloads4

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2022

Days since exam1,441

About Moulders Theory examination preparation

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How to use this resource for revision

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File details

File size181.9 KB

Pages6

Archived on8 September 2026

File age48d

ContributorFreeMode

FingerprintD5E45B73A293

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