Surveying Mock test – 4 || Civil Engineering Mock tests Welcome to your Surveying Mock test -4 Take an exciting test in Surveying You have only 20 mins to complete the test (25 Questions) Wish you all the best!!! Name Email 1. ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DCis A. 75° B. 255° C. 105° D. 285°2. The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at A. every point of the bubble B. either end of the bubble C. the mid-point of the bubble D. no where.3. Total latitude of a point is positive if it lies A. north of the reference parallel B. south of the reference parallel C. east of the reference parallel D. west of the reference parallel.4. The apparent error on reversal is A. equal to the actual error B. twice the actual error C. thrice the actual error D. none of these.5. The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is A. 5 mm B. 10 mm C. 15 mm D. 20 mm.6. The orthographical projection of a traverse leg upon the reference meridian, is known as A. departure of leg B. latitude to the leg C. co-ordinate of the leg D. bearing of the leg.7. If L is in kilometres, the curvature correction is A. 58.2 L2 mm B. 64.8 L2 mm C. 74.8 L2 mm D. 78.4 L2 mm.8. The slope correction may be ignored if A. the slope of the ground is less than 3° B. to slope of the ground is say 1 in 19 C. both (a) and (b) D. neither (a) nor (b)9. Grid lines are parallel to A. magnetic meridian of the central point of the grid B. line representing the central true meridian of the grid C. geographical equator D. none of these.10. The whole circle bearing of a line is 290°. Its reduced bearing is A. N 20° E B. N 20° W C. N 70° W D. S 70° E11. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as A. cadastral surveys B. city surveys C. topographical surveys D. guide map surveys12. The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is A. reciprocal levelling B. precise levelling C. differential levelling D. flying levelling13. Magnetic declination at any place A. remains constant B. does not remain constant C. fluctuates D. changes abruptly.14. An angle of deflection right, may be directly obtained by setting the instrument to read A. zero on back station B. 180° on back station C. 90° D. 270° on back station.15. For orientation of a plane table with three points A, B and C, Bessel's drill is A. Align b through a and draw a ray towards c, align a through b and draw a ray towards c, finally align c through the point of intersection of the previously drawn rays B. Align c through a and draw a ray towards b, align a through c and draw a ray towards b, finally align b through the point of intersection of the previously drawn rays C. Align c through b and draw a ray towards a, align b through c and draw a ray towards a, finally align a, through the point of intersection of the previously, drawn rays D. In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.16. In levelling operation, A. The first sight on any change point is a back sight B. The second sight on any change point is a fore sight C. The line commences with a fore sight and closes with a back sight D. The line commences with a back sight and closes with a foresight.17. Systematic errors are those errors A. which cannot be recognised B. whose character is understood C. whose effects are cumulative and can be eliminated D. none of these.18. If a tacheometer is fitted with an anal-latic lens A. additive constant is 100, multiplying constant is zero B. multiplying constant is 100, additive constant is zero C. both multiplying and additive constants are 100 D. both multiplying and additive constants are 50.19. The distance between steps for measuring down hill to obtain better accuracy A. decreases with decrease of slope B. increases with increase of slope C. decreases with increase of slope D. decreases with decrease of weight of the chain.20. With usual notations, the expression V^2/gR represents A. centrifugal force B. centrifugal ratio C. super elevation D. radial acceleration.21. The reduced bearing of a line is N 87° W. Its whole circle bearing is A. 87° B. 273° C. 93° D. 3°22. Ramsden eye-piece consists of A. two convex lenses short distance apart B. two concave lenses short distance apart C. one convex lens and one concave lens short distance apart D. two plano-convex lenses short distance apart, with the convex surfaces facing each other.23. Which one of the following mistakes/errors may be cumulative + or - : A. bad ranging B. bad straightening C. erroneous length of chain D. sag.24. The horizontal angle between true meridian and magnetic meridian, is known A. bearing B. magnetic declination C. dip D. convergence.25. Transition curves are introduced at either end of a circular curve, to obtain A. gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve B. gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve C. gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve D. none of these.