Chief Engineer Limited Practice Test (CEL02)

The other Chief Engineer Limited exam code: electrical and controls, steam plants, gas turbines. Your NMC approval letter says which you sit. Coast Guard exam code CEL02.

205 real questions from the Coast Guard National Maritime Center's public sample exams, free. Each module needs 70% to pass.

Passing score: Coast Guard pass marks module by module, and the retest rules

What's free: daily rounds, the Brig, the drills and the Pass Meter, for every license. Your first module test is free too. After that, the full Exam Room is $19, once. No subscription.

What's on the test

Picture questions link to the drawing in the Coast Guard's free sample PDF. A few that need reference tables are left out.

10 sample questions

1. What is the maximum current allowed to be drawn from the secondary of a 2 kVA step-down transformer with a turns ratio of four to one if connected across a 440-volt line?

   • A.1.1 amps
   • B.4.5 amps
   • C.18.1 amps
   • D.22.7 amps
   Show answer

   C. 18.1 amps

   Q604, Chief Engineer Limited: Electrical, Electronics & Control

2. A four-stroke cycle auxiliary diesel engine fuel cam has shifted from its original position during maintenance. To ensure correct timing of the fuel pump, the intake and exhaust valves should be in what position when approaching top dead center for injection?

   • A.Intake and exhaust valves open
   • B.Intake valve open, exhaust closed
   • C.Exhaust valve open, intake valve closed
   • D.Intake and exhaust valves closed
   Show answer

   D. Intake and exhaust valves closed

   Q602, Chief Engineer Limited: Motor Plants

3. Burner ignition failure in an automatically fired auxiliary boiler would be caused by __________.

   • A.a burned out solenoid in the oil supply valve
   • B.high temperature excess air
   • C.incorrectly setting the hotwell dump valve
   • D.an incorrectly positioned burner snubber relay
   Show answer

   A. a burned out solenoid in the oil supply valve

   Q602, Chief Engineer Limited: Motor Plants

4. When measuring DC current flow using an analog or digital multimeter set up as a milliammeter, how is the meter connected?

   • A.in parallel with the power source and load
   • B.in series with the power source and load
   • C.insuring correct polarity
   • D.using the lowest range possible to prevent instrument damage
   Show answer

   B. in series with the power source and load

   Q604, Chief Engineer Limited: Electrical, Electronics & Control

5. Which of the following locations could desuperheated steam be considered to occur?

   • A.Spray attemperator
   • B.Main engine extractions
   • C.Both "A" and "B"
   • D.Neither "A" nor "B"
   Show answer

   C. Both "A" and "B"

   Q605, Chief Engineer Limited: Steam Plants

6. A burner producing black smoke in an automatic auxiliary boiler, would be caused by a/an __________.

   • A.incorrect electrode setting
   • B.defective solenoid valve
   • C.grounded high tension lead
   • D.incorrect primary air setting
   Show answer

   D. incorrect primary air setting

   Q602, Chief Engineer Limited: Motor Plants

7. Prior to using an analog multimeter set up as an ohmmeter, the leads are purposely shorted together. Which of the following actions should be taken if, when adjusting to "zero" ohms, the indicating needle cannot be returned to "zero" on the scale?

   • A.The batteries should be replaced.
   • B.The test reading should be added to each final reading.
   • C.The test reading should be subtracted from each final reading.
   • D.The lead clips should be replaced.
   Show answer

   A. The batteries should be replaced.

   Q604, Chief Engineer Limited: Electrical, Electronics & Control

8. One advantage of installing water wall tubes in a boiler furnace is to __________.

   • A.decrease refractory maintenance
   • B.reduce furnace temperature
   • C.increase furnace size
   • D.reduce combustion rates
   Show answer

   A. decrease refractory maintenance

   Q605, Chief Engineer Limited: Steam Plants

9. Heavy soot accumulations in an auxiliary boiler could be caused by __________.

   • A.water in the fuel oil
   • B.excessive cycling
   • C.high fuel oil pressure
   • D.improper burner maintenance
   Show answer

   D. improper burner maintenance

   Q602, Chief Engineer Limited: Motor Plants

10. In what situation would an electrical phase sequence indicator be useful?

    • A.preparing to parallel alternators
    • B.connecting shore power lines to the ship
    • C.connecting lighting branch circuits
    • D.troubleshooting DC motors
    Show answer

    B. connecting shore power lines to the ship

    Q604, Chief Engineer Limited: Electrical, Electronics & Control

What the study guide does

• Short daily rounds of 10 questions, with a streak.
• Practice tests built like the real one, scored with the real pass marks (first one free, then $19 once for the full Exam Room).
• The Brig: questions you miss come back until you get them right twice.
• Pass Meter: your chance of passing every module if you sat it today, worked out from your own answers.