Civil Engineering – Surveying Mock test – 1 Welcome to your Surveying Mock test - 1 Take an exciting test in the topic of Surevying You have only 25 mins to complete the test ( 20 Questions) Wish you all the best!!! Name Email 1) Hydrographic surveys deal with the mapping of A. large water bodies B. heavenly bodies C. mountaineous region D. canal system E. movement of clouds.2) The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to A. the distance between the zero of gradient and the foot of the staff B. twice the distance between the zero of graduation and the foot of the staff C. thrice the distance between the zero of graduation and the foot of the staff D. none of the above.3) True meridians are generally preferred to magnetic meridians because A. these converge to a point B. these change due to change in time C. these remain constant. D. None of these.4) In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by A. adding 180°, if the given bearing is less than 180° C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa B. subtracting 180°, if the given bearing, is more than 180° D. none of these.5) Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following A. chain surveying B. compass surveying C. plan table surveying D. tacheometric surveying.6) The intercept of a staff A. is maximum if the staff is held truly normal to the line of sight. B. is minimum if the staff is held truly normal to the line of sight. C. decreases if the staff is tilted away from normal D. increases if the staff is tilted towards normal.7) A bearing of a line is also known as A. magnetic bearing B. true bearing C. azimuth D. reduced bearing8) Pick up the correct statement from the following : A. the eyepiece plays no part in defining the line of sight B. the diaphragm plays no part in defining the line of sight C. the optical centre of the objective plays no part in defining the line of sight D. none of these.9) For true difference in elevations between two points A and B, the level must be set up A. at any point between A and B B. at the exact mid point of A and B C. near the point A D. near the point B.10) If θ is the slope of the ground and l is the measured distance, the correction is A. 2l sin2 θ/2 B. 2l cos2 θ/2 C. 2l tan2 θ/2 D. 2l cot2 θ/2.11) While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is A. correctly focussed B. not correctly focussed C. said to have parallax D. free from parallax.12) The sensitiveness of a level tube decreases if A. radius of curvature of its inner surface is increased B. diameter of the tube is increased C. length of the vapour bubble is increased D. both viscosity and surface tension are increased.13) The most reliable method of plotting a theodolite traverse, is A. by consecutive co-ordinates of each station B. by independent co-ordinates of each station C. by plotting included angles and scaling off each traverse leg D. by the tangent method of plotting.14) The main principle of surveying is to work A. from part to the whole B. from whole to the part C. from higher level to the lower level D. from lower level to higher level.15) One of the tacheometric constants is additive, the other constant, is A. subtractive constant B. multiplying constant C. dividing constant D. indicative constant.16) 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/25.17) If θ is the slope of the ground and l is the measured distance, the correction is A. 2l sin2 θ/2 B. 2l cos2 θ/2 C. 2l tan2 θ/2 D. 2l cot2 θ/2.18) An ideal vertical curve to join two gradients, is A. circular B. parabolic C. elliptical D. hyperbolic E. none of these.19) Accuracy of 'fix' by two point problem, is A. bad B. good C. not reliable D. unique.20) For the construction of highway (or railway) A. longitudinal sections are required B. cross sections are required C. both longitudinal and cross sections are required D. none of these.