Author: UKM TUTICORIN

—

by

(a) Describe the properties of EACH of the following alloys used in marine engineering, giving a practical example for which EACH are suited: (i) Cupro-nickel; (2) (ii) White metal; (2) (iii) Titanium. (2) (b) Discuss the merits of EACH of the following alloys for use in the casting of large propellers: (i) Nickel aluminum bronze;…

EK General Jul 2019 (Q8)

—

by

With reference to CO₂ gas provided for fire fighting purposes: (a) Describe, with the aid of a sketch, a system for the detection and extinguishment of hold fires; (7) (b) State how the amount of gas to be released into the hold space is estimated. (3) Fire Jul 2019 (Q8)

EK General Jul 2019 (Q7)

—

by

Explain the legal, administrative and technical responsibilities of a Chief Engineer Officer. (10) Duties & watch-keeping Jul 2019 (Q7)

EK General Jul 2019 (Q6)

—

by

The steering gear operation of a vessel that recently experienced a heavy storm is found to be abnormally sluggish. (a) State FIVE reasons for possible malfunction of the gear. (5) (b) State the corrective actions that may be carried out at sea that will allow the vessel to continue to the nearest port. (5) Steering…

EK General Jul 2019 (Q5)

—

by

With reference to the design, construction and materials used in the manufacture of plate type heat exchangers, explain why, in most cases, they are superior to tubular type heat exchangers. (10) Heat exchanger Jul 2019 (Q5)

EK General Jul 2019 (Q4)

—

by

With reference to centrifugal pumps: (a) Explain how the performance may be assessed without the need to dismantle the pump; (3) (b) State the effects of misalignment between the driving motor and the pump; (3) (c) Describe, with the aid of a sketch, how on a new replacement motor, alignment is checked and adjusted. (4)…

EK General Jul 2019 (Q3)

—

by

With reference to a keyless propeller designed for hydraulic (wet) fit and withdrawal: (a) Describe, with the aid of a sketch, how the propeller is fitted to the tail shaft; (6) (b) State TWO advantages compared to a dry fit; (2) (c) Explain how the thrust is transmitted without the use of a key and…

EK General Jul 2019 (Q2)

—

by

With reference to automatic control systems: (a) Explain the term proportional band width (2) (b) State how the proportional band may be adjusted on EACH of the following: (i) Motion balance controllers (2) (ii) Force balance controllers.(2) (c) Explain the consequences if the proportional band is set incorrectly. (4) Control system Jul 2019 (Q2)

EK General Jul 2019 (Q1)

—

by

(a) Describe, with the aid of sketches, how the test pieces for a Class 1 pressure vessel are obtained. (6) (b) List the tests which are carried out on the test pieces described in Q1(a). (4) Materials Jul 2019 (Q1)

EK General Mar 2019 (Q8)

—

by