Tag: #ukmmarineengineering

—

by

Write a report for the engineering superintendent regarding the replacement at sea of bearings on one of the main engine turbochargers, the report must explain how the bearing defects were detected, the likely cause of the damage and the action which has been implemented to prevent further incidents of this type (16) Scavenging & Turbocharger…

EK General Jul 2020 (Q7)

—

by

(a) Sketch a block diagram of a fully automated air conditioning system for accommodation spaces, annotating the relevant temperatures and relative humidities throughout the system. (7) (b) Describe how bacteria are prevented from multiplying to a harmful level in an air conditioning system. (3) Reefer & A/C Jul 2020 (Q7)

EK Motor Dec 2019 (Q4)

—

by

With reference to a closed loop engine exhaust gas SOx scrubber system: (a) Describe, with the aid of a sketch, such a system. (8) (b) State, with reason, the fluid which is used for SOx scrubbing in this system (4) (c) State how the effectiveness of the scrubbing fluid is maintained and how the sludge…

EK General Jul 2020 (Q6)

—

by

With reference to the treatment of domestic water for potable use: (a) describe the principle of operation of a sterilizer that uses silver ions; (4) (b) state the advantages of silver ion sterilization over other methods; (2) (c) state the inspections and maintenance that should be carried out on EACH of the following: (i) fresh…

EK Motor Dec 2019 (Q3)

—

by

(a) Describe, with the aid of a sketch, the arrangement of the gas and liquid fuel systems at the cylinder of a dual fuel 4-stroke engine, stating the input and output signals at the controller (12) (b) Describe the arrangement of the gas fuel piping system used for a 4-stroke dual fuel engine , stating…

EK General Jul 2020 (Q5)

—

by

(a) Sketch a four ram type steering gear consisting of two fifty per cent torque units that complies with the single failure concept and automatic isolation. (6) (b) Describe how automatic isolation, for the hydraulic circuit sketched in part (a), is achieved within 45 seconds should leakage of system oil occur. (4) Steering & stabilizers…

EK Motor Dec 2019 (Q2)

—

by

(a) Sketch a main engine fuel system from the HFO and Low Sulphur service tanks to the main engine, showing all important valves (6) (b) Using the sketch drawn in part (a), write instructions for the changeover of a main engine fuel system from HFO to Low Sulphur fuel, indicating the timescale for each operation…

EK Motor Dec 2019 (Q1)

—

by

(a) Describe, with the aid of a sketch, a main engine holding down system explaining how the design features help prevent excessive stress in the holding down studs (8) (b) Describe, with the aid of a sketch, an engine top bracing arrangement, explaining why they are fitted and checked for operational performance (8) Engine construction…

EK General Jul 2020 (Q4)

—

by

With reference to pump selection, state TWO types of pump for EACH of the following applications, stating why they are suitable: (a) bilge pumping; (2) (b) cargo oil stripping; (2) (c) sewage sludge; (2) (d) lubricating oil circulating; (2) (e) sea water circulating. (2) Pumps & system Jul 2020 (Q4)

EK General Jul 2020 (Q3)

—

by