Fitting And Machining Theory N2 — Memo

August 2019 — N2 — Fitting And Machining Theory

N2 2019 Nated Engineering

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Q1— Section header —

1.1.5

1.2.55

Q2— Section header —

2.1.1Permanent/Fixed/Rigid coupling

2.1.2

2.2.1Fluid drive coupling (1\

2.2.2Permanent/F ixed /Rigid coupling (1\

2.2.3driving member (pump/impeller\ driven member (turbine\ (2\ [6]6

Q3— Section header —

3.140,030 mm (1\

3.240,035 mm (1\

3.339,980 mm (1\

3.4Maximum allowance = (40 + 0,035 mm\ (40 0,020 mm\ = 40,035 39,98 = 0,055 mm = 0,04 mm (2\ [7]7

Q4— Section header —

4.1A bearing is a device designed to reduce friction between two parts of a machine, one stationary and the other rotating. (1\

4.25

Q5— Section header —

5.1Sight feed lubricator If the flow of the fluid is reversed, the flap closes and does not allow the fluid to flow back [6]6

Q6— Section header —

6.1Nature of fluid medium Temperature of fluid Easy to handle due to its light weight No machining required Good insulator when used with electricity Combining pipe is very easy [9]9

Q7— Section header —

7.1.1ngle acting pump

7.1.2Double acting pump

7.1.3

7.2Helical screw gear pump Vane type pump Flexible impeller pump (Any 3 (3\ [6]6

Q8— Section header —

Q9— Section header —

9.1

Q11— Section header —

11.1

11.4.2

11.4.3

11.520

Q12— Section header —

12.1Used to indicate the fraction of a turn in the holes on a specific hole circle.

12.2The Cincinnati index plate has holes on both sides so it is reversible = 4 = 4

12.5Helps in the removal of shavings Reduces chattering Easier flow of coolant Improves the finish on the workpiece Provides a better cutting action [20] TOTAL SECTION B: GRAND TOTAL:20

Mark Allocation

Sections5 + 6 + 7 + 5 + 6 + 9 + 6 + 4 + 12 + 20 + 20 = 100 marks

Paper information

TitleMemo

SubjectFitting And Machining Theory

LevelN2

Document typeNated Engineering

Year2019

MonthAugust

Pages9

Downloads1

Examination context

Decade2010s

Years ago7y

SeasonWinter (SH)

Start dayThursday

Exam periodAugust 2019

Days since exam2,628

About Fitting And Machining Theory examination preparation

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File details

File size278.5 KB

Pages9

Archived on8 September 2026

File age47d

ContributorFreeMode

FingerprintCE915B778AD9

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