Q. In a constant level tube, size of the bubble remains constant because upper wall is

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Q. The direction of steepest slope on a contour, is

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Q. Back bearing of a line is equal to

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Q. In an internal focusing telescope

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Q. The longitudinal section of the surface of bubble tube is

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Q. Imaginary line passing through points having equal magnetic declination is termed as

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Q. The reduced bearing of a line is N 87° W. Its whole circle bearing is

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Q. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as

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Q. Which of the following introduces an error of about 1 in 1000 if 20 m chain is used

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Q. In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is

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Q. Ranging in chain survey means

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Q. Accurate measurement of deflection angles with a transit not properly adjusted may be made by

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Q. If whole circle bearing of a line is 120°, its reduced bearing is

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Q. Greater accuracy in linear measurements, is obtained by

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Q. From any point on the surface with a given inclination

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Q. Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point

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Q. Reduced bearing of a line is an angle between

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Q. While measuring with a metallic tape of 30 m length pull should be applied

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Q. With usual notations, the expression V²/gR represents

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Q. An angle of deflection right, may be directly obtained by setting the instrument to read

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