Civil Engineering – Surveying Mock test – 2 Welcome to your Surveying Mock test - 2 Take an exciting test in Surveying You have only 20 mins to complete the test (30 Questions) Wish you all the best!!! Name Email 1) Cross hairs in surveying telescopes, are fitted A. in the objective glass B. at the centre of the telescope C. at the optical centre of the eye piece D. in front of the eye piece.2) The latitude of a traverse leg is obtained by multiplying its length by A. tangent of its reduced bearing B. sign of its reduced bearing C. cosine of its reduced bearing D. cosecant of its reduced bearing.3) In levelling operation A. if second reading is more than first, it represents a rise B. if first reading is more than second, it represents a rise C. if first reading is less than second, it represents a fall D. if second reading is less than first, it represents a fall E. both (b) and (c).4) Setting out a curve by two theodolite method, involves A. linear measurements only B. angular measurements only C. both linear and angular measurements D. none of these.5) When the bubble of the level tube of a level, remains central A. line of sight is horizontal B. axis of the telescope is horizontal C. line of collimation is horizontal D. geometrical axis of the telescope is horizontal.6) Measuring with a 30 m chain, 0.01 m too short, introduces A. positive compensating error B. negative compensating error C. positive cumulative error D. negative cumulative error.7) If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by A. Bowditch's rule B. Transit rule C. Empirical rule D. all of the above.8) The best method of interpolation of contours, is by A. estimation B. graphical means C. computation D. all of these.9) A relatively fixed point of known elevation above datum, is called A. bench mark B. datum point C. reduced level D. reference point.10) Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves A. embankment on the centre line B. excavation on the centre line C. earth work on the centre line D. none of these.11) The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known A. declination B. azimuth C. dip D. bearing.12) Pantagraph is used for A. measuring distances B. measuring areas C. enlarging or reducing plans D. setting out right angles13) 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. deflection angles from Rankine's formula are required E. none of these14) On a diagonal scale, it is possible to read up to A. one dimension B. two dimensions C. three dimensions D. four dimensions.15) Metric chains are generally available in A. 10 m and 20 m length B. 15 m and 20 m length C. 20 m and 30 m length D. 25 m and 100 m length16) Plotting of inaccessible points on a plane table, is done by A. intersection B. traversing C. radiation D. none of these.17) The diaphragm of a stadia theodolite is fitted with two additional A. horizontal hairs B. vertical hairs C. horizontal and two vertical hairs D. none of these.18) The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every A. 100 sq. km of area B. 150 sq. km of area C. 200 sq. km of area D. none of these.19) The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known A. balancing the sights B. balancing the departures C. balancing the latitudes D. balancing the traverse.20) True meridian of different places A. converge from the south pole to the north pole B. converge from the north pole to the south pole C. converge from the equator to the poles D. run parallel to each other.21) Orientation of a plane table by solving two point problem is only adopted when A. saving of time is a main factor B. better accuracy is a main factor C. given points are inaccessible D. none of these.22) The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be A. 13.75 m B. 3.44 m C. 1375 m D. none of these.23) An ideal transition curve is A. cubic parabola B. cubic spiral C. clothoid spiral D. true spiral.24) Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB A. passes clear of hill top C B. passes below the hill top C C. grazes the hill top C D. none of these.25) In levelling operation A. when the instrument is being shifted, the staff must not be moved B. when the staff is being carried forward, the instrument must remain stationary C. both (a) and (b) D. neither (a) nor (b).26) 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 these.27) The angle between two plane mirrors of optical square, is A. 20° B. 30° C. 45° D. 60° E. 90°.28) The conventional sign shown in below figure represents a A. bridge carrying railway below road B. bridge carrying road below railway C. bridge carrying road and railway at the same level D. a level crossing.29) A back sight A. is always taken on a point of known elevation or can be computed B. is added to the known level to obtain the instrument height C. taken on an inverted staff is treated as negative D. all the above.30) The systematic errors which persist and have regular effects in the performance of a survey operation, are due to A. carelessness B. faulty instrument C. inattention D. none of these.