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