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Q1. | The systematic errors which persist and have regular effects in the performance of a survey operation, are due to. |

A. | carelessness [Wrong Answer] |

B. | faulty instrument [Correct Answer] |

C. | inattention [Wrong Answer] |

D. | none of these. [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :Kuldeep singh Said on 2017-11-22 12:09:21b is correct !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ If

*D*is the degree of the curve of radius

*R*, the exact length of its specified chord, is.

radius of the curve x sine of half the degree

diameter of the curve x sine of half the degree

diameter of the curve x cosine of half the degree

diameter of the curve x tangent of half the degree.

⇒ The line normal to the plumb line is known as.

horizontal line

level line

datum line

vertical line.

⇒ If the declination of the needle is 10° W.

each of the whole circle reckoning has to be micros by 10Â°

in the quadrantal method, the correction is positive in the 1st and 3rd quadrants

in the quadrantal method, the corrections is negative in 2nd and 4th quadrants

all the above.

⇒ An obstacle which obstructs chaining but not ranging may be a

Building

Lake

Hillock

Electric pole

⇒ A bearing of a line is also known as.

magnetic bearing

true bearing

azimuth

reduced bearing

⇒ The needle of magnetic compass is generally supported on a

Ball bearing

Bush bearing

Needle bearing

Jewel bearing

⇒ With the rise of temperature, the sensitivity of a bubble tube

decreases

increases

remains unaffected

none of the above

⇒ In plane table survey, the method used for locating plane table station is

Traversina

Resection

Radiation

(A) or (B) above

⇒ Magnetic bearing of a survey line at any place.

remains constant

changes systematically

varies differently in different months of the year

is always greater than true bearing.

⇒ Pick up the correct statement from the following :

Box sextant is used for the measurement of horizontal angles

Cross staff is used for setting out right angles

Gradiometer is used for setting out any required gradient

All the above.

⇒ For a well-conditioned triangle, no angle should be less than

20°

30°

45°

60°

⇒ The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's.

resolving power

brightness

field of view

magnification.

⇒ Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width, is equal to.

half the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets, and thrice the sum of the even offsets

one third the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets

one third the width of a strip, multiplied by the sum of two extreme offsets, four times the sum of the remaining odd offsets, and twice the sum of the even offsets

one sixth the width of a strip, multiplied by the sum of the two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets

⇒ The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to.

shimmering

horizontal refraction

vertical refraction

both shimmering and horizontal refraction.

⇒ The accuracy of measurement in chain surveying, does not depend upon.

length of the offset

scale of the plotting

importance of the features

general layout of the chain lines.

⇒ A back sight.

is always taken on a point of known elevation or can be computed

is added to the known level to obtain the instrument height

taken on an inverted staff is treated as negative

all the above.

⇒ is a conventional sign of.

mosque

temple

church

idgah.

⇒ In direct method of contouring, the process of locating or identifying points lying on a contour is called

ranging

centring

horizontal control

vertical control

⇒ Geodetic surveying is undertaken.

for production of accurate maps of wide areas

for developing the science of geodesy

making use of most accurate instruments and methods of observation

all the above.

⇒ If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be

true R.L.

more than true R.L.

less than true R.L.

none of the above

⇒ The reduced bearing of a line is N 87° W. Its whole circle bearing is.

87Â°

273Â°

93Â°

3Â°

⇒ Invar tapes are made of an alloy of

Nickel and steel

Copper and steel

Tin and steel

Aluminium and steel

⇒ For indirect ranging, number of ranging rods required, is.

1

2

3

4

⇒ While working on a plane table, the correct rule is :

Draw continuous lines from all instrument stations

Draw short rays sufficient to contain the points sought

Intersection should be obtained by actually drawing second rays

Take maximum number of sights as possible from each station to distant objects.

⇒ The 'fix' of a plane table from three known points, is good, if.

middle station is nearest

middle station is farthest

either the right or left station is nearest

none of these.

⇒ While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance.

20 (sin Î¸ - 1)

20 (cos Î¸ - 1)

20 (sec Î¸ - 1)

20 (cosec Î¸ - 1).

⇒ The variation in mag,netic declination is termed as

Diurnal variation

Solar variation

Lunar variation

Secular variation

⇒ 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

NE quadrant

SE quadrant

NW quadrant

SW quadrant

⇒ The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known.

declination

azimuth

dip

bearing.

⇒ 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

7.5 m

25 m

50

75 m