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IAMI EK1503 Exam Paper
CERTIFICATES OF COMPETENCY IN THE MERCHANT NAVY MARINE ENGINEER OFFICER
EXAMINATIONS ADMINISTERED BY INTERNATIONAL ASSOCIATION OF MARITIME INSTITUTIONS
ON BEHALF OF THE MARITIME AND COASTGUARD AGENCY
STCW 95 ENGINEER OFFICER OF THE WATCH
ENGINEERING KNOWLEDGE
REFERENCE
Examination Date:
Examination Starting Time:
Examination time allowed:
Information for candidates:
EK1503
FRIDAY 15th MAY 2015
0915 hrs
Motor Candidates Steam Candidates Combined Candidates Endorsement
2 Hours 20 Minutes 2 Hours 20 Minutes 3 Hours 10 minutes 50 minutes
Candidates are required to obtain 50% of the marks allocated in EACH section attempted to gain a pass.
Section C, General Engineering Knowledge consists of THREE parts; Auxiliary Systems, Electrical, Naval Architecture. A minimum of 40% of the marks are required in EACH part.
See 'Notes for the guidance of candidates' for which sections candidates should attempt.
Materials to be supplied by examination centres:
I Candidate's examination workbook
(Page 1 of6)
IAMI EK1503 Exam Paper
Notes for the guidance of candidates:
THE CONTENTS OF THIS EXAMINATION PAPER ARE:
Section A Motor Engineering Knowledge
Section B Steam Engineering Knowledge
Section C General Engineering Knowledge
CANDIDIATE SHOULD ANSWER THIS EXAMINATION PAPER AS FOLLOWS:
Combined Certificate Candidates must attempt Sections A, Band C
Motor Certificate Candidates must attempt Sections A and C
Steam Certificate Candidates must attempt Sections Band C
Motor Endorsement Candidates must attempt Section A
Steam Endorsement Candidates must attempt Section B
The total time for the examination is given on the front page. For Guidance candidates should expect to spend the following time periods for each section of the paper:
Section A Motor EK 5 Questions 50 minutes duration
Section B Steam EK 5 Questions 50 minutes duration
Section C General EK 9 Questions 1 hour 30 minutes duration
(Page 2 of6)
IAMI EK1503 Exam Paper
SECTION A MOTOR ENGINEERING KNOWLEDGE
Candidates MUST attempt ALL questions in this Section
This Section contains FIVE questions
1. State, with reasons, EIGHT areas or items which should be checked by the duty engineer before taking over the watch. (16)
2.
3.
4.
5.
(a) State TWO reasons for fitting an exhaust gas turbocharger to an engine.
(b) For EACH of the following, describe the effect of dirty or restricted:
(i) air filters;
(ii) exhaust gas turbine.
(c) Outline how the exhaust gas turbine is cleaned.
With reference to Jacket Cooling Water treatment of a diesel engine:
(a) state the chemical tests carried out;
(b) state the frequency of testing;
(c) explain why it is necessary to keep the test results within certain limits;
(d) state the action to be taken to rectify an abnonnal test result.
With reference to inlet and exhaust valves on a four stroke diesel engine:
(a) explain why the conect tappet clearances are essential;
(b) State the results of the tappet clearances being:
(i) too large;
(ii) too small.
Describe, with the aid of sketches, the procedure for testing a boiler gauge glass.
End of Section A
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!AMI EK1503 Exam Paper
SECTIONB STEAM ENGINEERING KNOWLEDGE
Candidates MUST attempt ALL questions in this Section
This Section contains FIVE questions
1.
2.
3.
4.
5.
With reference to main boiler sootblowers, describe the procedures to be canied out before and during operation of the system. (16)
(a) State TWO reasons why helical gears are used in marine gearboxes. (4)
(b) Describe, with the aid of a sketch, the provision for lubrication of gearing
(a)
(b)
(a)
(b)
and turbine during a black out. (12)
Explain why it is essential to regularly test the water condition in a main water tube boiler.
State the possible effects on the boiler if the chemical condition ofthe
(8)
boiler water is allowed to deteriorate. (8)
Draw a line diagram of a boiler fuel oil system showing the path of fuel oil from the settling tank to the burners. (16)
With reference to an auxiliary diesel engine showing an abnormally low lubricating oil pressure.
state FOUR possible causes.
explain how each cause stated in QS(a) is identified.
(8)
(8)
End of Section B
(Page 4 of6)
IAMI EK1503 Exam Paper
SECTIONC GENERAL ENGINEERING KNOWLEDGE
This Section contains NINE questions, in THREE parts -Auxiliary Systems, Electrical and Ship Construction.
Part 1 - Auxiliary Systems.
1.
2.
3.
4.
5.
(a) Describe the immediate action that the Engineer Officer of the watch should take in the event of the engine room bilge rising faster than can be contained by the bilge pump. (1 0)
(b) State the features provided in the engine room pumping systems to deal with
(a)
(b)
(a)
(b)
the situation in Ql(a). (6)
With reference to a refrigeration system:
describe how air is removed from the system; (8)
describe how and where refrigerant gas is added to the system. (8)
State FOUR conditions to be complied with in order that bilge water may be discharged overboard while the vessel is in a special area. (8)
Describe an engine room bilge system that complies with current legislation. (8)
Describe the routine inspection of the portable fire extinguishers found in the machinery spaces. (16)
With reference to the testing of a ship's steering gear, prior to departure, list EIGHT items of machinery or control systems whose operation must be tested. (16)
(Page 5 of6)
IAMI EK1503 Exam Paper
Part 2 - Electrical.
6. (a)
(b)
7.
(a)
(b)
State THREE underlying causes of electrical equipment failure.
State the precautions to be taken before working on the switchboard.
Explain the procedure to be taken in EACH of the following circumstances in order to prepare a large electrical generator set for maintenance:
taking the a. c. generator off electrical load;
isolating the machine in order that work may be safely carried out.
Part 3 - Ship Construction.
8.
(a)
(b)
(c)
9. (a)
(b)
With reference to forward collision bulkheads:
describe their construction;
state their function;
state their position, giving a reason for this positioning.
State the structural features to bow and stem which impart structural strength.
Explain the stability implications when using water to fight a fire onboard a ship.
End of Section C
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