COMPETENCE 1 – Maintain a Safe Engineering Watch
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#1. The vapor pressure of a gas is the pressure necessary to keep it in a(n):
Incorrect!
#2. What is the equivalent tonnage of a refrigeration system rated at 48,000 BTU per hour?2.5
Incorrect!
#3. Using a diesel engine indicator P-V diagram, the cylinder mean effective pressure is calculated to be 21.3 kg/cm2. What is the scale of the spring used on the indicator if the diagram area is 18.46 cm2 with a length of 13 cm?
Incorrect!
#4. What is the speed of the crankshaft in a four stroke/cycle engine when the camshaft is turning at 750 rpm?
Incorrect!
#5. When an additional load is applied to a diesel engine which is using an inadequately inflated air bladder clutch unit, you can expect:
Incorrect!
#6. When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will:
Incorrect!
#7. The watch engineer finds the cargo refrigeration compressor has blown the shaft seal, with the noticeable presence of oil leaking. In this situation, what should be done?
Incorrect!
#8. Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?
Incorrect!
#9. The ratio of the brake horsepower to the indicated horsepower of a diesel engine is its:
Incorrect!
#10. Thin bronze rings are inserted in the face of some chromium plated piston rings to:
Incorrect!
#11. With an increase in temperature the volume of flammable and combustible liquids:
Incorrect!
#12. Which of the events listed does NOT occur during the instant the piston just reaches top dead center?
Incorrect!
#13. Which of the following ring designs is commonly used on new piston rings to facilitate run-in or seating?
Incorrect!
#14. Turbulence is created in the cylinders of a diesel engine to:
Incorrect!
#15. The possibility of a flareback in a boiler will be reduced if you:
Incorrect!
#16. The safety valve installed on a coil- type auxiliary boiler is located on the.
Incorrect!
#17. The total air capacity for non- reversible main engines is to be sufficient for:
Incorrect!
There are 14 questions for the actual examination for Competence 1 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 4 mistakes.
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