COMPETENCE 4 -Operate Main and Auxiliary Machinery and – Associated Control Systems
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#1. What is the property of a body which causes it to (tend ) remain in its existing state of rest or motion until acted by some force tending to change its existing state?
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#2. An object that is subject to a force for a very short time is said to have received a/an ________.
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#3. In diesel engines, which of the following is an equivalent of one horsepower?
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#4. If a continuous and steady flow of lube oil is provided, which of the listed pressures represents the lowest supply pressure at which a small high-speed bearing can be safely lubricated?
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#5. Isentropic compression is sometimes known as
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#6. The viscosity of the lube oil is rated in which of the following?
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#7. What is a measure of the tendency of a force acting in oppose along separate parallel lines of action?
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#8. The power developed within the engine cylinder and can be measured by an engine indicator called _____.
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#9. The completely insulated system is operated in __________.
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#10. Which of the significant combustible elements of fuel oil is a major source of air pollution?
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#11. The ratio of the absolute viscosity of oil to the specific gravity of oil is called ______.
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#12. What is a measure of the rate on motion or speed of a body at any instant?
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#13. What is the ratio between the energy developed at the brake of the engine and the energy supplied?
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#14. What is the measure of the amount of solids classified as asphalts on carbon residue contained in an oil?
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#15. What is chemical symbol for fuel propane?
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#16. What is similar to volumetric efficiency but used to described 2- stroke engine where some gas maybe included with the air at the start of compression?
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#17. The horsepower and speed capability utilized by the engine without interruption is the ________.
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#18. Calculate the area of ships steel plate measuring 1.8 meter wide and 6 meter long.
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#19. What could result in fuel oil having a low octane rating?
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#20. What is the usual unit for moment of inertia of an area?
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#21. What is the relationship between viscosity and specific gravity?
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#22. What element contain in the fuel that takes no active parts during combustion in an Internal Combustion Engine?
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#23. In actual gasses, the molecular collisions are________.
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#24. A perfect vacuum is represented by gauge reading of _______.
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#25. Determine the weight of a rectangular piece of 25.5 lbs. steel measuring 4.5 feet by 6.7 feet.
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#26. As we heat a gas at constant pressure, what happen to its volume?
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#27. The turning moment which is the product of a tangential force and the distance it acts from the axis of the rotation is called ___.
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#28. What is the ratio of fuel oil density to the density of water?
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#29. It is defined as the capacity for doing work?
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#30. What is considered in mechanics as the factor which tends to produce, modify or retard motion?
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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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