Tag: #ekmanagmentwritten

—

by

With reference to steels used in shipbuilding and marine engineering: (a) Describe EACH of the following types of failure; (i) Brittle failure; (2) (ii) Ductile failure. (2) (b) Explain the term ductile to brittle transition stating the factor that determines ductile to brittle transition. (2) (c) Describe a test to determine the value of brittle…

EK General Mar 2022 (Q1)

—

by

State, with reasons, the materials used in EACH of the following components of a centrifugal pump for sea water circulation duties: Casing (2) Impeller (2) Shaft (2) Wear ring (2) Mechanical seal (2) Materials Mar 2022 (Q1)

EK Motor Oct 2020 (Q2)

—

by

in EK Motor

(a) Describe the cause and effect of bacterial attack on crankcase lubricating oil (6) (b) Explain how bacterial attack on crankcase oil may be detected (4) (c) Describe how a crankcase lubricating oil system may be returned to service following bacterial attack of the lubricating oil (6) Lubricating oil & system Oct 2020 (Q2)

EK General Dec 2021 (Q8)

—

by

As Chief Engineer Officer, describe the examinations that would be carried out during a safety equipment survey with regards to fire safety. (10) Fire Dec 2021 (Q8)

EK General Dec 2021 (Q7)

—

by

With reference to deck machinery: (a) Sketch a line diagram showing the layout and components of a hydraulic system with a variable delivery, pressure compensated pump and accumulator, suitable for the operation of deck machinery (5) (b) discuss the advantages of using electrically driven machinery over hydraulically driven winches and windlass (5) Deck machinery Dec…

EK General Dec 2021 (Q6)

—

by

With reference to microbial infestation (a) List the engine room system that may be affected by this type of contamination (2) (b) Explain the conditions required for bacteria to evolve (6) (c) Describe how the presence of microbial contamination could be detected (2) Lubricating oil & system Dec 2021 (Q6)

EK General Dec 2021 (Q5)

—

by

Describe EACH of the following heat exchanger types, stating a suitable application for EACH type: (a) parallel flow (3) (b) contra flow (3) (c) mixed flow (4) Heat exchanger Dec 2021 (Q5)

EK General Dec 2021 (Q4)

—

by

(a) Describe a method of checking main transmission shaft alignment which does not involve the removal of shaft coupling bolts (5) (b) State why the shaft alignment should be checked when the ship is afloat in a light ship condition (1) (c) A shaft system is found to be excessively misaligned as to cause serious…

EK General Dec 2021 (Q3)

—

by

(a) Explain EACH of the following control terms (i) Proportional action (2) (ii) Integral action (2) (iii) Derivative action (2) (b) Explain why proportional, integral and derivative actions are combined in one controller (PID), stating an example where it may be used (4) Control system Dec 2021 (Q3)

EK Motor Oct 2020 (Q1)

—

by