Surveying MCQ Questions and Answers in Civil Engineering

Question. A check line in a chain surveying ?
a) checks the accuracy of the framework
b) enables the surveyor to locate the interior details which are far away from the main chain lines
c) fixes up the directions of all other lines
d) all of the above

Answer : A

Question. The tension, at which the effects of pull and sag for a tape are neutralised, is known as ?
a) initial tension
b) absolute tension
c) surface tension
d) normal tension

Answer : D

Question. The obstacle, which obstructs vision but not chaining, is a ?
a) river
b) pond
c) hill
d) all of these

Answer : C

Question. Which of the following statement is wrong ?
a) The magnetic meridian coincides with the true meridian at all the places.
b) The magnetic meridian does not vary from place to place on the earth's surface.
c) The magnetic declination at a place is constant.
d) all of the above

Answer : D

Question. A line joining the apex of a triangle to some fixed point on the opposite side is called a ?
a) check line
b) tie line
c) base line
d) none of these

Answer : A

Question. The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called ?
a) passometer
b) pedometer
c) odometer
d) speedometer

Answer : C

Question. For removing the parallex, ?
a) the eye-piece should be focussed for distinct vision of cross-haris
b) the image of the object should be brought in the plane of cross-hair
c) either (a) or (b)
d) both (a) and (b)

Answer : D

Question. The degree of the curve is the angle subtended by a chord of ?
a) 15 m
b) 20 m
c) 25 m
d) 30 m

Answer : D

Question. A deflection angle in a traverse is equal to the ?
a) difference between the included angle and 180°
b) difference between 360° and the included angle
c) sum of the included angle and 180
d) none of the above

Answer : A

Question. In measuring horizontal angles, the theodolite should be turned ?
a) clockwise from the forward station to the back station
b) clockwise from the back station to the forward station
c) anticlockwise from the forward station to the back station
d) anticlockwise from the forward station to the back station

Answer : B

Question. A base line in a chain survey ?
a) checks the accuracy of the framework
b) enables the surveyor to locate the interior details which are far away from the main chain lines
c) fixes up the directions of all other lines
d) all of the above

Answer : C

Question. The limiting length of the offset is............. when its perpendicular direction is set out by eye ?
a) 5 m
b) 10 m
c) 15 m
d) 20 m

Answer : C

Question. The method of intersection in plane tabling is commonly used for ?
a) locating the distant and inaccessible points
b) locating the broken boundaries
c) locating the points which may be used subsequently as the instrument stations
d) all of the above

Answer : D

Question. A branch of surveying in which the horizontal and vertical distances of points are obtained instrumental observations, is known as ?
a) chain surveying
b) plane table surveying
c) tacheometric surveying
d) hydrographic surveying

Answer : C

Question. An imaginary line tangential to the longitudinal curve of the level at the centre of the axis called ?
a) horizontal axis
b) vertical axis
c) axis of the level tube
d) line of collimation

Answer : C

Question. The image formed by the objective in the plane of cross hairs is and inverted ?
a) real and straight
b) real and inverted
c) virtual and straight
d) virtual and inverted

Answer : B

Question. The angle between the reflecting surfaces of a prism square is ?
a) 30°
b) 45°
c) 60°
d) 75°

Answer : B

Question. When the angular measurements of a traverse are more precise than the linear measurements, the balancing of a traverse is done by ?
a) Bowditch's rule
b) transit rule
c) empirical rule
d) any one of these

Answer : B

Question. The fundamental principle of surveying is to work from the ?
a) higher level to lower level
b) whole to the part
c) lower level to higher level
d) part to the whole

Answer : B

Question. The projection of a traverse line on a line perpendicular to the meridian is known as ?
a) departure of the line
b) latitude of the line
c) co-ordinate of the line
d) bearing of the line

Answer : A

Question. The curve used for ideal transition curve is a ?
a) cubic spiral
b) clothoid spiral
c) lemniscate
d) cubic parabola

Answer : C

Question. If the fore bearing of a line is N 26° 35' W, its back bearing will be ?
a) N 53° 25' W
b) S 26° 35' E
c) N 26° 35' E
d) S 26° 35' W

Answer : D

Question. Which of the following statement is wrong ?
a) The uniformly spaced contour lines indicates a plane surface
b) A series of closed contour lines on the map indicates a depression if the higher values inside out
c) A series of closed contour lines on a plane indicates a hill if the higher values
d) all of the above

Answer : D

Question. The line joining the points having the same elevation above the datum surface, is called ?
a) contour line
b) contour grad
c) contour interval
d) contour surface

Answer : A

Question. When several contours coincide, it indicates ?
a) a saddle
b) a ridge
c) a vertical cliff
d) a valley

Answer : C

Question. To the sum of the first and last ordinates, add twice the sum of the intermediate ordinates. The total sum thus obtained is multiplied by the common distance between the ordinates. One-half of this product gives the required area. This rule of finding the area is called ?
a) Simpson's rule
b) mid-ordinate rule
c) average ordinate rule
d) trapezoidal rule

Answer : D

Question. At the equator, the amount of dip is ?
a) 0?
b) 90?
c) 45?
d) 60°

Answer : A

Question. According to Lehman's rule of plane tabling ?
a) when looking in the direction of the reference points, the point sought is on the same side of each of the three ray
b) the distance to the point sought from each of the three rays is proportional to the distance of the three known points from the instrument station
c) when the instrument station is outside the great circle, the point sought is always on the same side of the ray drawn to the most distant point as the intersection of the other two rays
d) all of the above

Answer : D

Question.The method of surveying used for determining the relative height of points on the surface of the earth is called ?
a) levelling
b) differential levelling
c) simple levelling
d) longitudinal levelling

Answer : A

Question. When the length of a chain along a slope of ? is (l), the correction for slope required is ?
a) I sin² ?/2
b) 2l sin² ?/2
c) I cos² ?/2
d) 2l cos² ?/2

Answer : B

Question. The amount of super-elevation on railways is equal to ?
a) gv²/GR
b) Gv²/gR
c) gR/Gv²
d) GR/gv²

Answer : B

Question. At the magnetic poles, the amount of dip is ?
a) 0?
b) 45?
c) 60°
d) 90?

Answer : D

Question. A plain scale is used to read ?
a) one dimension
b) two dimensions
c) three dimensions
d) all of these

Answer : B

Question. When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be ?
a) positive error
b) negative error
c) compensating error
d) none of these

Answer : B

Question. The true or geographical meridians through the various stations ?
a) are parallel
b) converge to the poles
c) converge from north pole to south pole
d) converge from south pole to north pole

Answer : B

Question. An average length of a pace is ?
a) 60 cm
b) 80 cm
c) 100 cm
d) 120 cm

Answer : B

Question. The instrument used for setting out an offset at a right angle, is called ?
a) open cross-staff
b) french cross-staff
c) optical square
d) adjustable cross-staff

Answer : A

Question. The theodolite is an instrument used for measuring very accurately ?
a) horizontal angles only
b) vertical angles only
c) horizontal and vertical angles
d) linear measurements

Answer : C

Question. An angle measured clockwise from the proceeding survey line to the following survey line is called ?
a) direct angle
b) vertical angle
c) horizontal angle
d) deflection angle

Answer : A

Question. The capacity of a telescope of producing a sharp image is called its ?
a) definition
b) brightness
c) sensitivity
d) magnification

Answer : A

Question. When 1 cm on a map represents 10 M on the ground , the representative fraction of the scale is ?
a) 1/10
b) 1/100
c) 1/1000
d) 1/10000

Answer : D

Question. The instrument, belonging to a class of reflecting instrument, is ?
a) line ranger
b) box sextent
c) prismatic compass
d) all of the above

Answer : D

Question. In order to determine the natural features such as valleys, rivers, lakes etc., the surveying preferred is ?
a) city surveying
b) location surveying
c) cadastral surveying
d) topographical surveying

Answer : D

Question. The collimation method for obtaining the reduced levels of points does not provide a check on ?
a) fore sights
b) back sights
c) change points
d) intermediate sights

Answer : D

Question. The method of plane tabling commonly used for establishing the instrument stations only, is a ?
a) method of radiation
b) method of intersection
c) method of traversing
d) method of resection

Answer : D

Question. The plotting of small areas which can be commanded from a single station is usually done on the plane table by the method of ?
a) radiation
b) intersection
c) traversing
d) resection

Answer : A

Question. When the whole circle bearing of a traverse line is between ?
a) the latitude is positive and departure is negative
b) the departure is positive and latitude is negative
c) both the latitude and departure are positive
d) both the latitude and departure are negative

Answer : B

Question. The value of additive constant for the tachometer varies from ?
a) 0 to 15 cm
b) 15 to 30 cm
c) 30 to 45 cm
d) 45 to 60 cm

Answer : C

Question. A deflection angle is ?
a) less than 90°
b) more than 90° but less than 180°
c) equal to the difference between the angle of intersection and 180°
d) equal to the difference between the angle of intersection and 360°

Answer : C

Question. The difference between the sum of the angles of a spherical triangle on the earth's surface and the angles of the corresponding plane triangle for every 195.5 km² of area is only ?
a) 15 second
b) 10 second
c) 1 second
d) 5 second

Answer : C

Question. A line joining some fixed points on the main survey lines, is called a ?
a) tie line
b) base line
c) check line
d) none of these

Answer : A

Question. A line normal to the plumb line at all points is known as ?
a) level line
b) line of collimation
c) vertical line
d) horizontal line

Answer : A

Question. It is more convenient and gives better results while measuring horizontal distance.............. by stepping method ?
a) in plane areas
b) up the hill
c) down the hill
d) none

Answer : C

Question. In a whole circle bearing system N 25° 15' W corresponds to ?
a) 205° 15'
b) 154° 45'
c) 344° 45'
d) 115° 15'

Answer : C

Question. The latitude and departure of a traverse line are both positive when the whole circle bearing of (d) the line lies in the ?
a) fourth quadrant
b) third quadrant
c) second quadrant
d) first quadrant

Answer : D

Question. Two theodolite method of setting out a curve involves ?
a) angular measurements only
b) linear measurements only
c) both linear and angular measurements
d) none of these

Answer : A

Question. A scale which has a common representative fraction, but read in different measures, is called a ?
a) comparative scale
b) plain scale
c) shrunk scale
d) diagonal scale

Answer : A

Question. A curve of varying radius is known as ?
a) reverse curve
b) transition curve
c) compound curve
d) simple curve

Answer : B

Question. To the sum of the first and last ordinates, add twice the sum of the remaining odd ordinates and four times the sum of all the even ordinates. The total sum thus obtained is multiplied by one-third of the common distance between the ordinates and the result gives the required area. This rule of finding the area is called ?
a) mid-ordinate rule
b) Simpson's rule
c) trapezoidal rule
d) average ordinate rule

Answer : B

Question. The method of levelling in which the heights of mountains are found by observing the temperature at which water boils is known as ?
a) hypometry
b) barometric levelling
c) reciprocal levelling
d) longitudinal levelling

Answer : A

Question. In levelling, the effect of refraction may be taken as ........... of that due to curvature ?
a) one-half
b) one-third
c) one-fifth
d) one-seventh

Answer : D

Question. When the magnetic declination is 5° 20' east, the magnetic bearing of the sun at noon will be ?
a) 185° 20'
b) 354° 40'
c) 174° 40'
d) 95° 20'

Answer : B

Question. The magnetic bearing of a line is S 35° 30' E and the magnetic declination is 4° 10' east. The true bearing of a line will be ?
a) S31° 30' E
b) S31° 30' W
c) S39° 50' W
d) S39° 50' E

Answer : A

Question. The shift of a curve is equal to ?
a) L/6R
b) L²/24R
c) L/24R
d) L²/6R

Answer : B

Question. The method of measuring distance by pacing is chiefly used in ?
a) reconnaissance surveys
b) preliminary surveys
c) location surveys
d) all of these

Answer : A

Question. The horizontal angle between the true meridian and magnetic meridian is known as ?
a) true bearing
b) dip
c) local attraction
d) magnetic decline

Answer : D

Question. The error in measured length due to sag of chain or tape is known as ?
a) positive error
b) negative error
c) compensating error
d) instrumental error

Answer : A

Question. If a chain is used at a temperature ............. the temperature at which it was calibrated, the error in measured length is negative. ?
a) equal to
b) lower than
c) higher than known
d) none of these

Answer : C

Question. The plane table surveying is ?
a) most suitable for preparing small-scale maps
b) particularly advantageous in magnetic areas
c) less costly than a theodolite survey
d) all of the above

Answer : D

Question. The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the ground, is called ?
a) levelling
b) centering
c) setting
d) orientation

Answer : D

Question. The index glass in an optical square is ?
a) wholly silvered
b) wholly unsilvered
c) one-fourth silvered and three-fourth unsilvered
d) half silvered and half unsilvered

Answer : A

Question. An angle between the inclined line of sight and the horizontal is called ?
a) direct angle
b) vertical angle
c) horizontal angle
d) deflection

Answer : B

Question. The brightness of the image ........... the magnifying power ?
a) is directly proportional to
b) is inversely proportional to
c) varies directly as the square of
d) varies inversely as the square of

Answer : D

Question. The height of instrument is equal to ?
a) reduced level of bench mark + back sight
b) reduced level of bench mark + fore sight
c) reduced level of bench mark + intermediate
d) back sight + fore sight

Answer : A

Question. A line joining the optical centre of the object glass and the centre of the eye piece, is known as ?
a) axis of telescope
b) fundamental line
c) line of collimation
d) axis of level tube

Answer : A