OIC-EW MARINA REVIEWER / QUIZ COMPETENCE 4 – PART 5

COMPETENCE 4 -Operate Main and Auxiliary Machinery and – Associated Control Systems

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#1. This is the distance travelled by the piston from top to bottom or bottom to top .

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#2. . The quantity of heat is affected by the amount of _______that is present in the substance heated.

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#3. It is the transfer of heat energy through air, space, or vacuum.

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#4. The proper treatment for shock is:

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#5. . 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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#6. Heat extracted in the process of changing a liquid to a solid is called the latent heat of

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#7. At pressure of 1.013 bar, or atmospheric pressure at sea level, water boils at ________.

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#8. The process of changing a solid to a liquid is called the latent heat of

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#9. It is the hotness or coldness of the body.

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#10. It is a series of events repeated in the same regular events ________.

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#11. 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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#12. The kind of heat involves a transformation of matter from one physical state to another without changing its temperature.

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#13. It is the transfer of heat energy from one molecule to molecule

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#14. The volume swept by the piston from top dead center to bottom dead center is called _________.

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#15. Boiler horsepower is equivalent to

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#16. A turbine is mechanical device, which produces work by converting _________.

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#17. Absolute pressure is accurately indicated by

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#18. Torque is a force which tend to produce

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#19. 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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#20. 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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#21. 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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#22. According to the fuel used this type of engine uses high grade of fuel which is highly flammable _________.

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#23. An engine which run with petrol (or paraffin) as the fuel are sometimes called as .

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#24. Superheated steam is used in main turbine propulsion plants because superheated steam has _______.

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#25. 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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#26. _________ 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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#27. 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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#28. The gas law represented by formula PV/T= constant is _______.

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#29. 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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#30. Find the area of a single cylinder engine whose piston diameter is 8.89 centimeters __________.

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Finish

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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