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ETO and Control Engineering

CES Electrical Management, Support for electrical engineers 72 questions

First 5 of 72 questions — with answers

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  1. Question 1

    Which of the following is the minimum acceptable value of insulation resistance for High Voltage equipment?
    Which of the following is the minimum acceptable value of insulation resistance for High Voltage equipment?
    • 1 G Ohms.
    • 1 M Ohms.
    • 1 k Ohms.
    • 1 M Ohms.
    • I don't know.

  2. Question 2

    Which device does this graphical symbol illustrating?
    Which device does this graphical symbol illustrating?
    • Rectifier.
    • Differential pressure transmitter.
    • Inverter.
    • Pressure to current converter.
    • I don't know.

  3. Question 3

    High Voltage systems rely on the installed protective equipment being able to interrupt any fault in the system. Throughout the system, the fault level has been calculated, and under no circumstances must the system be modified to exceed this fault level. What is meant by fault level?
    High Voltage systems rely on the installed protective equipment being able to interrupt any fault in the system. Through
    • The amount of apparent power that could flow into any fault at any point in the electrical network.
    • The current level flowing into a dead short to earth at any point on the ship, directly from the High Voltage system.
    • The current level flowing into a symmetrical short circuit fault between all three phases.

  4. Question 4

    When there is a need to interrupt current flow in a High Voltage system it may be very difficult to quench the electrical arc, which is generated at the circuit breaker contacts. Which of the following among media is commonly found in High Voltage marine switchgear?
    When there is a need to interrupt current flow in a High Voltage system it may be very difficult to quench the electrica
    • Vacuum.
    • Air.
    • Oil.

  5. Question 5

    A High Breaking Capacity fuse found in a Main High Voltage Switchboard will typically have fault level rating of:
    A High Breaking Capacity fuse found in a Main High Voltage Switchboard will typically have fault level rating of:
    • 40 kA.
    • 4 000 A.
    • 40 A.

Preview — 5 of 72 questions

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About this CES test

ETO and Control Engineering is a CES test for the Electrical department at Management, Support level with 72 questions and verified answers. Common topics include: high voltage, control system, fault level, insulation resistance, graphical symbol, amplifier circuit, phase induction, current.

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