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A back sight on a bench mark of RL 100.00 m on the floor of a tunnel is 3.25 m. The inverse staff
reading on a roof station of the tunnel is 1.25 m. The RL of the roof station in m is ________
    Correct answer is between '104,105'. Can you explain this answer?
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    A back sight on a bench mark of RL 100.00 m on the floor of a tunnel i...
    Finding the RL of a Roof Station in a Tunnel

    Given data:
    - Backsight (BS) on a benchmark of RL 100.00 m on the floor of a tunnel = 3.25 m
    - Inverse staff reading (IS) on a roof station of the tunnel = 1.25 m

    To find: RL of the roof station in m

    Approach:
    - First, find the reduced level (RL) of the floor station using the BS and benchmark RL.
    - Then, use the IS and the reduced level of the roof station to find the RL of the roof station.

    Calculation:
    - RL of floor station = benchmark RL + BS = 100.00 + 3.25 = 103.25 m
    - RL of roof station = IS + RL of floor station = 1.25 + 103.25 = 104.50 m

    Therefore, the RL of the roof station in m is 104.50.

    Note: The answer is between 104 and 105 as the given data is rounded to two decimal places and the answer is rounded to one decimal place.
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    A back sight on a bench mark of RL 100.00 m on the floor of a tunnel is 3.25 m. The inverse staffreading on a roof station of the tunnel is 1.25 m. The RL of the roof station in m is ________Correct answer is between '104,105'. Can you explain this answer?
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    A back sight on a bench mark of RL 100.00 m on the floor of a tunnel is 3.25 m. The inverse staffreading on a roof station of the tunnel is 1.25 m. The RL of the roof station in m is ________Correct answer is between '104,105'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A back sight on a bench mark of RL 100.00 m on the floor of a tunnel is 3.25 m. The inverse staffreading on a roof station of the tunnel is 1.25 m. The RL of the roof station in m is ________Correct answer is between '104,105'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A back sight on a bench mark of RL 100.00 m on the floor of a tunnel is 3.25 m. The inverse staffreading on a roof station of the tunnel is 1.25 m. The RL of the roof station in m is ________Correct answer is between '104,105'. Can you explain this answer?.
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