Practice Test Geeks(EGSA) Electrical Generating Systems Association Certified Practice Test
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EGSA Fuel Systems and Storage Flashcards

6 cards from real EGSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 EGSA Fuel Systems and Storage flashcards as text

  1. What is the primary concern when connecting a diesel generator day tank using flexible fuel lines?

    Answer: Lines must be listed for fuel service, vibration-resistant, and properly supported to prevent fatigue failure

    Flexible fuel connections must be rated for diesel service, resistant to vibration from the engine, and adequately supported to prevent cracking or fatigue failure over time.

  2. According to NFPA 110, what is the minimum required fuel supply for a Level 1 emergency generator system?

    Answer: 8 hours at full load

    NFPA 110 requires Level 1 systems to have a minimum fuel supply sufficient for 8 hours of full-load operation to ensure continuity through extended outages.

  3. Why is it important to monitor the diesel fuel cetane number for standby generator applications?

    Answer: Cetane number indicates ignition quality; low cetane causes hard starting and rough combustion

    Cetane number measures how readily diesel fuel ignites under compression; a low cetane number leads to delayed ignition, hard starting, and rough engine operation.

  4. What is the purpose of a fuel tank vent on a diesel storage or day tank?

    Answer: Allow air to enter as fuel is consumed and vapors to escape, preventing pressure buildup or vacuum

    Tank vents equalize pressure as fuel level changes, preventing vacuum that could collapse the tank or positive pressure that could force fuel leaks.

  5. What is ultrasonic tank gauging used for in generator fuel systems?

    Answer: Non-invasive continuous fuel level measurement without penetrating the tank

    Ultrasonic gauges measure fuel level from outside or through the tank wall using sound waves, eliminating the need for tank penetrations that could be leak points.

  6. Which regulation requires diesel fuel storage tanks above certain capacities at generator installations to have spill containment?

    Answer: EPA 40 CFR Part 112 (SPCC) requires secondary containment for oil storage above 1,320 gallons aggregate

    EPA 40 CFR Part 112, the Spill Prevention, Control, and Countermeasure (SPCC) rule, requires secondary containment for facilities storing more than 1,320 gallons of oil in aggregate aboveground.