COMPETENCE 8 – Appropriate Use of Hand Tools, Machine Tools and Measuring Instruments for Fabrication and Repair on Board
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#1. Diesel engine piston seizure can be caused by.
Incorrect!
#2. An 8" diameter wheel is driving a 20" diameter wheel via a pair of belts The power input is supplied by a 5 HP motor rotating the driving wheel at 300 RPM. If the efficiency of the supplied by a 5 HP motor rotating the driving wheel at 300 RPM. If the efficiency of the transmission is 80%, what RPM and torque is delivered to the driven wheel.
Incorrect!
#3. Air leaks through the inner or outer casing of a boiler could result in:
Incorrect!
#4. For cutting thin tubing or sheet metal, the proper hacksaw blade should have:
Incorrect!
#5. An eight cylinder, four stroke/cycle, single acting diesel engine has a 650 mm bore and a 1400 mm stroke. What will be the developed indicated metric horsepower if the average mean effective pressure is 30 kg/cm2 at a speed of 100 RPM?
Incorrect!
#6. A ship travels is 5472 miles in 26 days 12 hours and 24 minutes. Find the average speed for the engine voyage.
Incorrect!
#7. A piece of tapered round stock 36 inches long, 4 inches in diameter at the large end and 2 1/2 inches in diameter at the small end. What tailstock set over was used to machine the taper?
Incorrect!
#8. Be in accordance with the engine load and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load. Which of the following statements describes this requirement?
Incorrect!
#9. For mild steel and general work, the correct angle of a drill point is _______degrees.
Incorrect!
#10. A reading of 0.625 inch on a micrometer with a 2 to 3 inch range would be equal to:
Incorrect!
#11. A wear resulting from the grinding action of abrasive contaminants on the oil:
Incorrect!
#12. A wrench that completely surrounds a nut, or bolt head is a/an:
Incorrect!
#13. Boiler tube failures can result from:
Incorrect!
#14. Bluish smoke in the exhaust of an operating diesel engine can be caused by:
Incorrect!
#15. A diesel engine is warmed up and white vapor is noted in the exhaust, this could indicate:
Incorrect!
#16. A micrometer screw has a pitch of:
Incorrect!
#17. A roller bearing should normally be filled to what fraction of its space cavity?
Incorrect!
#18. Babbitt is a metal alloy commonly used for lining:
Incorrect!
#19. A diesel engine exposed to widely varying ambient temperatures should use a lubricating oil with:
Incorrect!
#20. A “thirty pound” steel plate would be:
Incorrect!
#21. A ballast pump, with a capacity of 200 gpm, takes suction on a tank containing 300 long tons of sea water ballast. How much ballast F3 – 2 will remain in the tank after pumping for one hour?
Incorrect!
#22. Ferrous metals are metals containing:
Incorrect!
#23. An increase in the pressure drop between the inlet and outlet of the feed water heater waterside, not due to a waterside obstruction, would indicate:
Incorrect!
#24. A reading of 0.250 on a micrometer with a 1 to 2 inch range is equal to:
Incorrect!
There are 24 questions for the actual examination for Competence 8 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 7 mistakes.
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