civil engineering Mcqs
3401. Sensitiveness of a level tube is designated by______________?
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A. length of level tube

B. none of the above

C. length of bubble of level tube

D. radius of level tube
3402. With the rise of temperature, the sensitivity of a bubble tube______________?
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A. none of the above

B. remains unaffected

C. decreases

D. increases

3403. In the prismatic compass______________?
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A. the line of the sight does not move with the box

B. the magnetic needle and graduated circle do not move with the box

C. the magnetic needle moves with the box

D. the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

3404. Transit rule of adjusting the consecutive coordinates of a traverse is used where________________?
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A. linear measurements are more accurate than angular measurements

B. all of the above

C. angular measurements are more accurate than linear measurements

D. linear and angular measurements of the traverse are of equal accuracy

3405. In the quadrantal bearing system, a whole circle bearing of 293 30? can be expressed as______________?
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A. N2330W

B. W2330N

C. S11330N

D. N6630W
3406. Refraction correction________________?
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A. partially eliminates curvature correction

B. has no effect on curvature correction

C. adds to the curvature correction

D. completely eliminates curvature correction

3407. A negative declination shows that the magnetic meridian is to the________________?
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A. western side of the true meridian

B. southern side of the true meridian

C. eastern side of the true meridian

D. none of the above

3408. The correction for sag is_________________?
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A. always zero

B. sometimes additive and sometimes subtractive

C. always subtractive

D. always additive

3409. The length of a chain is measured from_______________?
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A. centre of one handle to centre of other handle

B. outside of one handle to outside of other handle

C. outside of one handle to inside of other handle

D. inside of one handle to inside of other handle

3410. If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________?
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A. SW quadrant

B. SE quadrant

C. NW quadrant

D. NE quadrant

3411. Which of the following angles can be set out with the help of French cross staff?
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A. any angle

B. 45 only

C. either 45 or 90

D. 90 only

3412. During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is_____________?
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A. 180m

B. 4 chains

C. 120 m

D. 6 chains
3413. Theodolite is an instrument used for_________________?
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A. tightening the capstan-headed nuts of level tube

B. measurement of horizontal angles only

C. measurement of vertical angles only

D. measurement of both horizontal and vertical angles
3414. The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?
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A. 1 in 1000

B. 1 in 250

C. 1 in 100

D. 1 in 500

3415. As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be________________?
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A. 102.3

B. 98.7

C. 100.00

D. 103.3

3416. The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?
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A. direct angle

B. included angle

C. none of the above

D. deflection angle
3417. Which of the following methods of con-touring is most suitable for a hilly terrain ?
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A. tacheometric method

B. direct method

C. cross-sections method

D. square method

3418. Local attraction in compass surveying may exist due to________________?
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A. presence of magnetic substances near the instrument

B. loss of magnetism of the needle

C. incorrect levelling of the magnetic needle

D. friction of the needle at the pivot

3419. The instrument used for accurate centering in plane table survey is________________?
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A. spirit level

B. trough compass

C. plumbing fork

D. alidade

3420. The maximum tolerance in a 20 m chain is_______________?
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A. 3 mm

B. 8 mm

C. 5 mm

D. 2 mm

3421. Three point problem can be solved by_________________?
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A. Bessels method

B. all of the above

C. Lehmans method

D. Tracing paper method

3422. Which of the following errors can be neutralised by setting the level midway between the two stations ?
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A. error due to curvature only

B. error due to refraction only

C. error due to both curvature and re-fraction

D. none of the above

3423. Agate cap is fitted with a_________________?
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A. level

B. prismatic compass

C. chain

D. cross staff

3424. If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________?
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A. d

B. 1/d

C. 1/d2

D. d2
3425. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is_________________?
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A. 100.655m

B. 99.345 m

C. 100.345 m

D. 101.870m

3426. Alevel lineis a______________?
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A. horizontal line

B. line passing through the center of cross hairs and the center of eye piece

C. line passing through the objective lens and the eye-piece of a dumpy or tilting level

D. line parallel to the mean spheriodal surface of earth
3427. The angle of intersection of the two plane mirrors of an optical square is______________?
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A. 45

B. 90

C. 60

D. 30

3428. The following sights are taken on a turning point________________?
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A. foresight and intermediate sight

B. backsight only

C. foresight and backsight

D. foresight only

3429. Which of the following is not used in measuring perpendicular offsets ?
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A. optical square

B. line ranger

C. steel tape

D. cross staff

3430. Detailed plotting is generally done by________________?
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A. resection

B. traversing

C. radiation

D. all of the above

3431. The type of surveying which requires least office work is________________?
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A. plane table surveying

B. theodolite surveying

C. trigonometrical levelling

D. tacheomefry

3432. In the double application of principle of reversion, the apparent error is_______________?
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A. equal to true error

B. half the true error

C. four times the true error

D. two times the true error

3433. The horizontal angle between the true meridian and magnetic meridian at a place is called______________?
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A. declination

B. magnetic bearing

C. local attraction

D. azimuth

3434. The number of horizontal cross wires in a stadia diaphragm is ________________?
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A. one

B. three

C. four

D. two

3435. For which of the following permanent adjustments of theodolite, the spire test is used ?
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A. adjustment of horizontal axis

B. adjustment of plate levels

C. adjustment of altitude bubble and vertical index frame

D. adjustment of line of sight

3436. If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________?
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A. 7.5 m

B. 50

C. 75 m

D. 25 m

3437. Overturning of vehicles on a curve can be avoided by using ________________?
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A. reverse curve

B. compound curve

C. vertical curve

D. transition curve
3438. Closed contours, with higher value inwards, represent a_______________?
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A. none of the above

B. depression

C. plain surface

D. hillock
3439. The rise and fall method of levelling provides a complete check on_______________?
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A. intermediate sight

B. foresight

C. backsight

D. all of the above
3440. Cross staff is an instrument used for________________?
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A. none of the above

B. measuring approximate horizontal angles

C. measuring bearings of the lines

D. setting out right angles
3441. A series of closely spaced contour lines represents a___________________?
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A. steep slope

B. gentle slope

C. plane surface

D. uniform slope

3442. A metallic tape is made of ______________ ?
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A. steel

B. linen

C. invar

D. cloth and wires
3443. The rise and fall method_______________?
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A. is not suitable for levelling with tilting levels

B. quicker and less tedious for large number of intermediate sights

C. is less.accurate than height of instrument method

D. provides a check on the reduction of intermediate point levels
3444. Intersection method of detailed plotting is most suitable for________________?
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A. hilly areas

B. plains

C. urban areas

D. forests

3445. For a tacheometer the additive and multi-plying constants are respectively________________?
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A. 0 and 100

B. 100 and 0

C. 0 and 0

D. 100 and 100

3446. Which of the following errors can be eliminated by taking mean of bot face observations ?
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A. error due to imperfect graduations

B. error due to line of collimation not being perpendicular to horizontal axis

C. error due to imperfect adjustment of plate levels

D. error due to eccentricity of verniers

3447. The size of a plane table is________________?
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A. 300 mm x 450 mm

B. 600 mm x 750 mm

C. 450 mm x 600 mm

D. 750 mm x 900 mm

3448. In an internal focussing type of telescope, the lens provided is_______________?
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A. convex

B. concave

C. plano-convex

D. plano-concave

3449. If the reduced bearing of a line AB is N60W and length is 100 m, then the latitude and departure respectively of the line AB will be________________?
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A. +50 m, +86.6 m

B. +86.6 m, -50 m

C. +70.7 m,-50 m

D. +50m, -86.6 m

3450. If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to_________________?
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A. altitude bubble on index frame if it is to be used as a level

B. altitude bubble on telescope if it is to be used as a level

C. altitude bubble on index frame

D. correct answer is?

E. altitude bubble on telescope