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

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

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#1. The number of cubic feet of fresh water that will weigh one ton is

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#2. Rotating flyweights acting against a spring force makes up a simple type of _______.

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#3. A mechanical and or hydraulic actin that prevents over correction of the energy medium supply in a governor which produces transient speed droop during a speed correction is known as

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#4. Which of the following statements is NOT one of Newton's laws?

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#5. The pressure due to a column of H2O one foot high is

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#6. Specific heat of a substance is defined as the heat required to raise the temperature of

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#7. A motor ship cruising at average speed of 14.55 knots/hr. How far could it travel in one and one half day?

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#8. Kinetic energy is the energy of the body has due to its ______.

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#9. Saturated steam is a steam that

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#10. A theoretical engine cycle is a process that ______.

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#11. Too high alkalinity of boiler wear may cause

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#12. The temperature at which a vapor liquifies is called

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#13. A pressure reading of 00.0 psig is theoritically equal to

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#14. Which of the following statement is true about the laws of friction?

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#15. In a Roots-type rotary blower, the volume of air delivered is directly proportional to ______.

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#16. Heat is defined as _________.

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#17. It is the state of a system wherein no heat flow takes place between its components.

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#18. Enthalpy is the number of heat energy a sustance contains above

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#19. A 200 PSI new boiler should be subjected to a hydrostatic pressure of

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#20. 23°C reads in absolute degrees centigrade as

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#21. Specific heat of water is:

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#22. Power is the work done as

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#23. Vacuum refers to pressures as

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#24. Vacuum refers to pressures

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#25. Work is conveniently expressed in:

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#26. What pressure is usually carried on a gland sealing system

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#27. A reversable adiabatic process is also called:

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#28. Which of the following represents the definition of energy?

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#29. Latent heat of evaporation of water is

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#30. Steam which is in physical contact with the boiling water from which it has been generated is termed:

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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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The questionnaires contained in this “reviewer” are extracted from the post released by MARINA on their official website and other review materials. Please note that Seaman Kowts is not affiliated with, endorsed by, or connected to the official website of MARINA. The information provided on this website is for general informational and educational purposes only and should not be relied upon as official or authoritative. If you require official information or services, please visit the official website or any relevant review center. We do not assume any responsibility or liability for any consequences resulting from the use of information or services provided on this website.

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