# Civil Engineering Questions And Answers :: Surveying: part1

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Civil Engineering : Surveying QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

 6.Normal tension is that pull which is used at the time of standardising the tape neutralizes the effect due to pull and sag makes the correction due to sag equal to zero makes the correction due to pull equal to zero ANSWER : : neutralizes the effect due to pull and sag Explanation :
 7.The correction for sag is always additive always subtractive always zero sometimes additive and sometimes subtractive ANSWER : : always subtractive Explanation :
 8.For a line AB the forebearing of AB and back bearing of AB differ by 180� the forebearing of AB and back bearing of BA differ by 180� both (a) and (b) are correct. none is correct ANSWER : : the forebearing of AB and back bearing of AB differ by 180� Explanation :
 9.Cross staff is an instrument used for measuring approximate horizontal angles setting out right angles measuring bearings of the lines none of the above ANSWER : s: b Explanation :
 10.Select the incorrect statement. The true meridians at different places are parallel to each other. The true meridian at any place is not variable. The true meridians converge to a point in northern and southern hemispheres. The maps prepared by national survey departments of any country are based on true meridians. ANSWER : : The true meridians at different places are parallel to each other. Explanation :

More Surveying QUESTIONS AND ANSWERS available in next pages

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