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The principal used in barometric leveling is that the elevation of a point is
  • a)
    Inversely proportional to the weight of the air column above the observer.
  • b)
    Directly proportional to the weight of the air column above the observer.
  • c)
    Inversely proportional to the length of the air column above the observer.
  • d)
    Directly proportional to the length of the air column above the observer.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The principal used in barometric leveling is that the elevation of a p...
Barometric leveling
  • Barometers are used in leveling to find elevation, the difference of elevation, and flying height of airplanes in aerial photogrammetry.
  • The principal used in barometric leveling is that the elevation of a point is inversely proportional to the weight of the air column above the observer.
  • The difference in elevation between the two points may be obtained by the following formula
    H=18336.6 (log10 h1-log10 h2) (1+(T1+T2)/500)
Where
H = The difference in elevation between two points
h1 & h2 = the barometric reading in cm at lower and higher points respectively
T1 & T2 = Temperature of air in oC at lower and higher point respectively
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The principal used in barometric leveling is that the elevation of a point isa)Inversely proportional to the weight of the air column above the observer.b)Directly proportional to the weight of the air column above the observer.c)Inversely proportional to the length of the air column above the observer.d)Directly proportional to the length of the air column above the observer.Correct answer is option 'A'. Can you explain this answer?
Question Description
The principal used in barometric leveling is that the elevation of a point isa)Inversely proportional to the weight of the air column above the observer.b)Directly proportional to the weight of the air column above the observer.c)Inversely proportional to the length of the air column above the observer.d)Directly proportional to the length of the air column above the observer.Correct answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The principal used in barometric leveling is that the elevation of a point isa)Inversely proportional to the weight of the air column above the observer.b)Directly proportional to the weight of the air column above the observer.c)Inversely proportional to the length of the air column above the observer.d)Directly proportional to the length of the air column above the observer.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The principal used in barometric leveling is that the elevation of a point isa)Inversely proportional to the weight of the air column above the observer.b)Directly proportional to the weight of the air column above the observer.c)Inversely proportional to the length of the air column above the observer.d)Directly proportional to the length of the air column above the observer.Correct answer is option 'A'. Can you explain this answer?.
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