DieselShip's Online Content Library

Q1. With regard to the main turbine lubrication oil system:

a) (i) Describe the effects of tin oxide corrosion; (5)

(ii) Explain the actions to be taken if this occurs in a high-pressure turbine thrust bearing. (5)

b) Discuss the factors that determine the various filtration sizes: (6)

Q4. Describe the method of setting the safety valves of an exhaust gas boiler at sea.

a. State the limits in terms of percentage above maximum design working pressure, for setting safety valves. (8)

b. State the formality necessary when chief engineer sets the safety valves. (8)

Q3. a) Describe the Inspection and maintenance of flameproof enclosures for luminaries installed in hazardous condition. (10)

b) List the precautions to be taken while carrying out insulation resistance test of electrical equipment located in a hazardous area. (6)

Q4: With reference to engine remote control and monitoring systems:

a) Explain how the location and nature of a fault may be determined if the instrument panel in the control room is indicating a low reading for a cylinder exhaust; (6)

b) State, with reasons, THREE sources of potential problems when choosing the location for transducers and signal transmission systems; (5)

c) In the event of complete failure of the remote control and monitoring system state how you, as 2nd Engineer, would organize the engine room personal to ensure safe manning of the engine room and list SIX main engine parameters, which should be manually recorded. (5)

Q1. Suggest a procedure (in about 200 words) to the Chief Engineer, as to how you propose to ensure that the engine room overhead crane is maintained and operated correctly.  What tests certificates are required for the overhead crane, and who is the issuing authority.

Q6: With reference to electro-hydraulic steering gears:

A. Sketch and describe a steering gear with two 50% torque units conforming to the single failure criteria. (8)

B. State, with reasons, the precautions necessary when operating on two rams only; (4)

C. Describe the tests necessary to ascertain that the gear will operate as required when one side of the circuit develops a malfunction. (4)

Q7. a) Describe with aid of a line diagram the layout and components of a hydraulic system suitable for the operation of deck machinery (6)

b) Explain how the hydraulic system pressure is controlled assuming the use of a variable delivery pump. (5)

c)State which design of hydraulic motor is used in the system described in (a). (5)

Q8. What is a “Cam"? Explain its function. With reference to its application in diesel engines

Discuss the requirement and the type of cam used in

a) Fuel Pump

b) Indicator drive

c) Inlet Valve

d) Exhaust Valve

e) Starting air distributor. (16)

Q1. Explain why auxiliary engine bottom-end bolts are prone to failure, even under normal running conditions. Identify those features, incorporated into the design of bottom-end bolts, to inhibit failure. Explain how this tendency is either aggravated or inhibited during maintenance and what checks are to be carried out.