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The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as  ± (a mm + b ppm). Which one of the following statements is correct?  
  • a)
    Both a and b remain constant, irrespective of the distance being measured.  
  • b)
    a remains constant and b varies in proportion to the distance being measured.  
  • c)
    a varies in proportion to the distance being measured and b remains constant.  
  • d)
    Both a and b vary in proportion to the distance being measured.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The accuracy of an Electronic Distance Measuring Instrument (EDMI) is ...
Accuracy of EDMI is generally stated in terms of constant instrument error and measuring error proportional to distance being measured.
 ± (a mm + b ppm)
 The first part in this expression indicates a constant instrument error that is independent of length of line measured. Second component is distance related error.  
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The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as ± (a mm + b ppm). Which one of the following statements is correct? a)Both a and b remain constant, irrespective of the distance being measured. b)a remains constant and b varies in proportion to the distance being measured. c)a varies in proportion to the distance being measured and b remains constant. d)Both a and b vary in proportion to the distance being measured.Correct answer is option 'B'. Can you explain this answer?
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The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as ± (a mm + b ppm). Which one of the following statements is correct? a)Both a and b remain constant, irrespective of the distance being measured. b)a remains constant and b varies in proportion to the distance being measured. c)a varies in proportion to the distance being measured and b remains constant. d)Both a and b vary in proportion to the distance being measured.Correct answer is option 'B'. 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 The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as ± (a mm + b ppm). Which one of the following statements is correct? a)Both a and b remain constant, irrespective of the distance being measured. b)a remains constant and b varies in proportion to the distance being measured. c)a varies in proportion to the distance being measured and b remains constant. d)Both a and b vary in proportion to the distance being measured.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The accuracy of an Electronic Distance Measuring Instrument (EDMI) is specified as ± (a mm + b ppm). Which one of the following statements is correct? a)Both a and b remain constant, irrespective of the distance being measured. b)a remains constant and b varies in proportion to the distance being measured. c)a varies in proportion to the distance being measured and b remains constant. d)Both a and b vary in proportion to the distance being measured.Correct answer is option 'B'. Can you explain this answer?.
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