Surveying Mock test – 5 || Civil Engineering Mock tests Welcome to your Surveying Mock test - 5Take an exciting test in SurveyingYou have only 20 mins to complete the test (25 Questions)Wish you all the best!!! Name Email 1. The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is (A) 21° 45' (B) 42° 15' (C) 42° 15' W (D) 21° 45' W2. The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly (A) 0.043 m (B) 0.053 m (C) 0.063 m (D) 0.083 m3. For setting out a simple curve, using two theodolites. (A) Offsets from tangents are required (B) Offsets from chord produced are required (C) Offsets from long chord are required (D) None of these4. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is (A) 0.70 m (B) 1.70 m (C) 2.70 m (D) 3.70 m5. The longitudinal section of the surface of bubble tube is (A) Straight (B) Circular (C) Parabolic (D) Elliptic6. Closed contours of decreasing values towards their centre, represent (A) A hill (B) A depression (C) A saddle or pass (D) A river bed7. 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)8. 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 where9. The horizontal angle between true meridian and magnetic meridian, is known (A) Bearing (B) Magnetic declination (C) Dip (D) Convergence10. 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 levelling11. One of the tacheometric constants is additive, the other constant, is (A) Subtractive constant (B) Multiplying constant (C) Dividing constant (D) Indicative constant12. If the area calculated form the plan plotted with measurements by an erroneous chain, accurate area of the plan is (A) Measured area × (Length of chain used/Nominal chain length) (B) Measured area × (Nominal chain length/ Length of chain used) (C) Measured area × (Nominal chain length/ Length of chain used)² (D) Measured area × (Length of chain used/Nominal chain length)²13. A tape of length and weight kg/m is suspended at its ends with a pull of correction is (A) l3W²/24P² (B) l²W3/24P² (C) l²W²/24P3 (D) lW²/24P14. Accuracy of 'fix' by two point problem, is (A) Bad (B) Good (C) Not reliable (D) Unique15. Pantograph is used for (A) Measuring distances (B) Measuring areas (C) Enlarging or reducing plans (D) Setting out right angles16. 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° E17. The 'fix' of a plane table station with three known points, is bad if the plane table station lies (A) In the great triangle (B) Outside the great triangle (C) On the circumference of the circumscribing circle (D) None of these18. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed. (A) R/10 (B) R/15 (C) R/20 (D) R/2519. The least count of a Vernier scale is (A) Sum of the smallest divisions of main and Vernier scales (B) Value of one division of the primary scale divided by total number of divisions of Vernier scale (C) Value of one division of Vernier scale divided by total number of divisions of primary scale (D) None of these20. While measuring with a metallic tape of 30 m length pull should be applied (A) 1 kg (B) 2 kg (C) 3 kg (D) 4 kg21. Centering error of a theodolite produces an error (A) In all angles equally (B) Which does not vary with the direction or pointing (C) Which varies with the direction of pointing and inversely with the length of sight (D) None of these22. A traverse deflection angle is (A) Less than 90° (B) More than 90° but less than 180° (C) The difference between the included angle and 180° (D) The difference between 360° and the included angle23. Contour lines of different elevations can unite to form one line, only in the case of (A) A vertical cliff (B) A saddle (C) A water shed line (D) A hill top24. For locating a distant object visible from two transit stations, the method usually preferred to, is (A) Angles and distances from transit stations (B) Angles from two transit stations (C) Distance from two transit stations (D) Angle from one transit station and distance from the other25. Diaphragm of a surveying telescope is held inside (A) Eye-piece (B) Objective (C) Telescope tube at its mid point (D) Telescope at the end nearer the eye-piece Share to all