COMPETENCE 4 -Operate Main and Auxiliary Machinery and – Associated Control Systems
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#1. Absolute pressure is accurately indicated by
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#2. It is part of the engine that lowers the revolution of the main engine in relation to the driven shaft speed _________.
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#3. Torque is a force which tend to produce
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#4. The speed of the ship’s propeller through the water is 12.5 knots, however due to slip, the sip covers a distance of only 287 nautical miles in 24 hours. Calculate what percentage of the propeller speed does the slip represent?
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#5. The gas law represented by formula PV/T= constant is _______.
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#6. A turbine is mechanical device, which produces work by converting _________.
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#7. It is the hotness or coldness of the body.
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#8. It is the transfer of heat energy through air, space, or vacuum.
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#9. An engine which run with petrol (or paraffin) as the fuel are sometimes called as .
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#10. It is study of the relationships between heat energy, work and the properties of matter, also of the conversions of heat energy and work by means of heat engines.
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#11. According to the fuel used this type of engine uses high grade of fuel which is highly flammable _________.
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#12. Heat exchanger used to heat the boiler feed water by means of waste gas as it passes thru series of tubes to the stack.
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#13. This is the distance travelled by the piston from top to bottom or bottom to top .
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#14. Find the area of a single cylinder engine whose piston diameter is 8.89 centimeters __________.
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#15. The process of changing a solid to a liquid is called the latent heat of
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#16. It is a series of events repeated in the same regular events ________.
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#17. Heat extracted in the process of changing a liquid to a solid is called the latent heat of
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#18. At pressure of 1.013 bar, or atmospheric pressure at sea level, water boils at ________.
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#19. It is the transfer of heat energy from one molecule to molecule
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#20. The volume swept by the piston from top dead center to bottom dead center is called _________.
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#21. . It is defined as a product of the force and the distance travelled by the force measured along the line of action of the force .
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#22. Boiler horsepower is equivalent to
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#23. What is the principle which states that buoyant force acting on a body partially or completely immersed in a fluid is equal to the weight of fluid displaced?
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#24. _________ is the ratio of the volume of fuel charge at the beginning of the compression to the volume at the end of compression .
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#25. The kind of heat involves a transformation of matter from one physical state to another without changing its temperature.
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#26. The proper treatment for shock is:
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#27. It is scavenge system in a four stroke diesel engine where the intake and exhaust systems are controlled by intake and exhaust valve attached at the cylinder head______.
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#28. The main engine RPM must be lowered so that it will conform with the RPM design of the propeller. This can be done by the installation of a ________.
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#29. . The quantity of heat is affected by the amount of _______that is present in the substance heated.
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#30. Superheated steam is used in main turbine propulsion plants because superheated steam has _______.
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There are 30 questions for the actual examination for Competence 4 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 9 mistakes.
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