Category: EK Motor

—

by

(a) Describe, with the aid of a sketch, a diesel engine fuel system which employs direct injection of liquid gas into engine cylinders (12) (b) Explain the advantages of this type of gas injection system compared with the use of gaseous fuel in the form of gas (4) Jul 2018 (Q4)

EK Motor Jul 2018 (Q3)

—

by

(a) Explain why charge air coolers are fitted to turbocharged diesel engines, stating the possible effects on engine operation and performance if they are not maintained in good condition (6) (b) As Chief Engineer Officer, write instructions for the routine in-service checking of charge air cooler performance and cleanliness together with the checking of condensate…

EK Motor Jul 2018 (Q2)

—

by

(a) Describe, with the aid of a sketch, an open loop system for reducing SOx emissions from engine exhaust gas, explaining how the system operates whilst the vessel is in open waters (6) (b) Describe, with the aid of a sketch, a closed loop scrubber system for removing SOx from engine exhaust gas, explaining the…

EK Motor Jul 2018 (Q1)

—

by

As chief engineer, write instructions for the checking of the engine slow turning system and subsequent routine monitoring of the engine slow turning system. The instruction must take account of problem areas which may be linked to the need for slow turning of an engine whilst selected for standby prior to an actual start. (16)…

EK Motor Mar 2018 (Q9)

—

by

(a) Define the term Torsional Vibration with respect to an engine crankshaft, stating the effect that high levels can have on an engine crankshaft (6) (b) Explain how engine deterioration influences the risk of Torsional Vibration, stating what can be done to minimise that risk (4) (c) Explain TWO possible reasons for the activation of…

EK Motor Mar 2018 (Q7)

—

by

As Chief Engineer Officer, write a report to the engineering superintendent regarding failure of a four-stroke main engine, to complete a slow turning procedure and the discovery of water around a cylinder head gasket after the failed slow turning attempt. The report must outline the possible cause of the problem and the steps taken to…

EK Motor Mar 2018 (Q5)

—

by

(a) State, with reason, SIX points which should be covered in a risk assessment for the replacement of a crosshead main engine fuel injection pump in port (6) (b) Write instruction for the replacement of a crosshead main engine fuel injection pump (10) Mar 2018 (Q5)

EK Motor Mar 2018 (Q6)

—

by

With reference to boiler and steam generation systems: (a) Explain the term water hammering, stating how it is caused and describing the possible consequences of it (4) (b) Explain how water hammering can be avoided (4) (c) Describe, with the aid of a sketch, how the boiler fuel system may be operated on port to…

EK Motor Mar 2018 (Q4)

—

by

(a) Describe, with the aid of sketches, the procedure for cutting and “hanging-up” an engine cylinder of a two-stroke crosshead engine in the event of complete failure of the crosshead pin such that the crosshead pin cannot be operated and no replacement is immediately available (12) (b) State, with reason, the factors which may inhibit…

EK Motor Mar 2018 (Q3)

—

by