SSC JE Exam  >  SSC JE Questions  >  Which one of the following pairs is not corre... Start Learning for Free
Which one of the following pairs is not correctly matched?
  • a)
    Declination: Horizontal angle between magnetic meridian and true meridian
  • b)
    Bowditch's rule: Employed to adjust closing error of a closed traverse
  • c)
    Reconnaissance: Employed for detailed and Survey precise survey 
  • d)
    Deflection angle: Measured in case of open traverse instead of measuring the included angle
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which one of the following pairs is not correctly matched?a)Declinatio...
Explanation:

The correct answer is option C: Reconnaissance: Employed for detailed and Survey precise survey.

Reconnaissance is a preliminary survey carried out to obtain a general idea of the area or region under consideration. It is performed before conducting detailed and precise surveys. Therefore, the pair "Reconnaissance: Employed for detailed and Survey precise survey" is not correctly matched.

Let's understand the other options for better clarity:

a) Declination: Horizontal angle between magnetic meridian and true meridian:
Declination refers to the angular difference between the magnetic meridian (direction indicated by a magnetic compass needle) and the true meridian (direction indicated by geographic or true north). This pair is correctly matched.

b) Bowditch's rule: Employed to adjust closing error of a closed traverse:
Bowditch's rule, also known as the compass rule, is used to distribute the closing error equally among the various angles of a closed traverse. It helps in adjusting the measured angles so that the sum of the interior angles equals the theoretical sum of 180 degrees. This pair is correctly matched.

d) Deflection angle: Measured in case of open traverse instead of measuring the included angle:
In an open traverse, where the starting and ending points are not the same, the deflection angle is used instead of measuring the included angle. The deflection angle is the angle between the forward bearing and the back bearing of a line. This pair is correctly matched.

In conclusion, the pair "Reconnaissance: Employed for detailed and Survey precise survey" is not correctly matched. Other options, such as declination, Bowditch's rule, and deflection angle, are correctly matched.
Explore Courses for SSC JE exam
Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer?
Question Description
Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? for SSC JE 2024 is part of SSC JE preparation. The Question and answers have been prepared according to the SSC JE exam syllabus. Information about Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC JE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for SSC JE. Download more important topics, notes, lectures and mock test series for SSC JE Exam by signing up for free.
Here you can find the meaning of Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which one of the following pairs is not correctly matched?a)Declination: Horizontal angle between magnetic meridian and true meridianb)Bowditchs rule: Employed to adjust closing error of a closed traversec)Reconnaissance: Employed for detailed and Survey precise surveyd)Deflection angle: Measured in case of open traverse instead of measuring the included angleCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice SSC JE tests.
Explore Courses for SSC JE exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev