Practice Test Geeks(BGE) Baltimore Gas and Electric Practice Test
← All BGE Flashcard Decks

Blueprint Reading & Interpretation Flashcards

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

Read the first 7 Blueprint Reading & Interpretation flashcards as text

  1. What is the purpose of a 'detail drawing' included in a BGE construction blueprint package?

    Answer: To show a specific component or assembly at a larger scale with more specificity

    Detail drawings zoom in on a specific part of the design, providing dimensions and specifications that cannot be shown clearly at the overall plan scale.

  2. On a gas distribution blueprint, what does a notation of 'T&B' next to a fitting location indicate?

    Answer: Test and Bypass valve arrangement

    T&B stands for Test and Bypass, indicating a valve arrangement that allows operators to test a section while maintaining gas flow via a bypass line.

  3. When a BGE blueprint profile view shows a vertical exaggeration notation of '10x,' what does this mean for interpretation?

    Answer: Vertical dimensions are scaled ten times larger than horizontal dimensions

    Vertical exaggeration means the vertical scale is multiplied (here by 10) relative to the horizontal scale, making elevation changes more visible on otherwise flat utility profiles.

  4. A BGE gas distribution plan shows an 'EVC' symbol at a street intersection. What does EVC stand for?

    Answer: Emergency Valve Control

    EVC stands for Emergency Valve Control, designating a location where crews can quickly isolate a section of the gas system during an emergency.

  5. On a BGE electrical blueprint, the notation 'kVA' next to a transformer symbol specifies what?

    Answer: The transformer's apparent power capacity

    kVA (kilovolt-amperes) is the unit for apparent power, and when listed on a transformer symbol it indicates the unit's rated capacity.

  6. A gas main blueprint shows a 'C.I.' designation for an existing pipe segment. What material does this indicate?

    Answer: Cast Iron

    C.I. stands for Cast Iron, an older pipe material found in legacy gas distribution systems that requires special handling procedures during maintenance.

  7. What information does a 'bore log' or 'soil boring' notation on a BGE pipeline drawing provide?

    Answer: Subsurface soil and rock conditions encountered at that location during site investigation

    Soil boring logs document the subsurface conditions (soil type, rock, groundwater depth) encountered during geotechnical investigation, helping engineers design appropriate installation methods.