Explore topic-wise MCQs in Civil Engineering.

This section includes 331 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

201.

_Which of the following is not the function of levelling head ?$?

A. to support the main part of the instrument
B. to attach the theodolite to the tripod
C. to provide a means for leveling the theodolite
D. none of the above
Answer» E.
202.

_Overturning of vehicles on a curve can be avoided by using$?

A. compound curve
B. vertical curve
C. reverse curve
D. transition curve
Answer» E.
203.

_Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.$?

A. By subtracting their longitudes if places are in the same hemisphere
B. By adding their longitudes if places are in the different hemispheres
C. By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
D. All the above
Answer» D. All the above
204.

_The principal plane contains$?

A. Nadir point
B. Iso-centre
C. Principal point
D. All the above
Answer» E.
205.

_If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is$?

A. πR²E/90°
B. πR²E/180°
C. πR²E/270°
D. πR²E/360°
Answer» C. ≈ì√ÑR¬¨‚â§E/270¬¨‚àû
206.

_The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on$?

A. March 21
B. June 21
C. September 21
D. December 22
Answer» E.
207.

_The solar tidal force divided by lunar tidal force is$?

A. 1/3
B. 1/2
C. 3/4
D. 5/4
Answer» C. 3/4
208.

_The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above$?

A. Equator
B. Horizon
C. Pole
D. None of these
Answer» C. Pole
209.

_Detailed plotting is generally done by$?

A. radiation
B. traversing
C. resection
D. all of the above
Answer» B. traversing
210.

_The latitude of the observer's position, is$?

A. Elevation of the elevated pole
B. Declination of the observer's zenith
C. Angular distance along the observer's meridian between equator and the observer
D. All the above
Answer» E.
211.

_The smaller horizontal angle between the true meridian and a survey line, is known$?

A. Declination
B. Bearing
C. Azimuth
D. Dip
Answer» D. Dip
212.

_The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as$?

A. Principal point
B. Isocenter
C. Plumb point
D. Perspective centre
Answer» C. Plumb point
213.

_The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is$?

A. f/H
B. f/(H + h)
C. f/(H - h)
D. (H - h)/f
Answer» D. (H - h)/f
214.

_Size of a theodolite is specified by$?

A. the length of telescope
B. the diameter of vertical circle
C. the diameter of lower plate
D. the diameter of upper plate
Answer» D. the diameter of upper plate
215.

_Right ascension of a heavenly body is its equatorial angular distance measured$?

A. Westward from the first point of Libra
B. Eastward from the first point of Aeries
C. Westward from the first point of Aeries
D. Eastward from the first point of Libra
Answer» C. Westward from the first point of Aeries
216.

_When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is$?

A. θ = z + δ
B. θ = δ - z
C. θ = 180° - (z + δ)
D. θ = (z + δ) - 180°
Answer» D. ≈í‚àè = (z + ≈í¬•) - 180¬¨‚àû
217.

_In direct method of contouring, the process of locating or identifying points lying on a contour is called$?

A. ranging
B. centring
C. horizontal control
D. vertical control
Answer» E.
218.

_At upper culmination, the pole star moves$?

A. Eastward
B. Westward
C. Northward
D. Southward
Answer» C. Northward
219.

The size of a plane table is$?

A. 750 mm √ó 900 mm
B. 600 mm √ó 750 mm
C. 450 mm √ó 600 mm
D. 300 mm √ó 450 mm
Answer» C. 450 mm ‚àö√≥ 600 mm
220.

The sidereal day is the time interval between two successive upper transits of$?

A. Mean sun
B. First point of Aries
C. First point of Libra
D. The polar star
Answer» C. First point of Libra
221.

Bowditch rule is applied to$?

A. an open traverse for graphical adjustment
B. a closed traverse for adjustment of closing error
C. determine the effect of local attraction
D. none of the above
Answer» C. determine the effect of local attraction
222.

Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?$?

A. Measuring angle and distance from one transit station
B. Measuring angles to the point from at least two stations
C. Measuring angle at one station and distance from other
D. Measuring distance from two points on traverse line
Answer» C. Measuring angle at one station and distance from other
223.

The angular distance of a heavenly body from the equator, measured along its meridian, is called$?

A. Declination
B. Altitude
C. Zenith distance
D. Co-latitude
Answer» B. Altitude
224.

Stellar astronomy deals with$?

A. Plane surveying
B. Geodetic surveying
C. Star observations
D. Planet observations
Answer» D. Planet observations
225.

The chord of a curve less than peg interval, is known as$?

A. Small chord
B. Sub-chord
C. Normal chord
D. Short chord
Answer» C. Normal chord
226.

The net ground area of a vertical photograph 20 cm √ó 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is$?

A. 0.50 sq km
B. 0.56 sq km
C. 0.60 sq km
D. 0.64 sq km
Answer» E.
227.

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

A. 20°
B. 30°
C. 45°
D. 60°
Answer» C. 45¬¨‚àû
228.

The point at which sun's declination changes from north to south, is known as$?

A. First point of Aeries
B. First point of Libra
C. Vernal Equinox
D. Both (B) and (C) of the above
Answer» E.
229.

The process of turning the telescope about the vertical axis in horizontal plane is known as$?

A. transiting
B. reversing
C. plunging
D. swinging
Answer» E.
230.

The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as$?

A. Photo plumb point
B. Plumb point
C. Nadir point
D. Isocenter
Answer» B. Plumb point
231.

Systematic errors$?

A. Always follow some definite mathematical law
B. Can be removed by applying corrections to the observed values
C. Are also known as cumulative errors
D. All the above
Answer» E.
232.

The First Point of Aeries$?

A. Is the point in the celestial sphere where zero meridian crosses the celestial equator
B. Is usually denoted by the Greek letter ?
C. Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda
D. All the above
Answer» E.
233.

In a tropical year, the numbers of sidereal days are$?

A. 365
B. 365.2224
C. 365.2422
D. 366.2422
Answer» E.
234.

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$?

A. 4 chains
B. 6 chains
C. 120 m
D. 180m
Answer» C. 120 m
235.

A star in northern sphere is said to transit$?

A. When its altitude is maximum
B. When its azimuth is 180°
C. When it is in south
D. All the above
Answer» E.
236.

In the double application of principle of reversion, the apparent error is$?

A. equal to true error
B. half the true error
C. two times the true error
D. four times the true error
Answer» E.
237.

The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on$?

A. March 21
B. June 21
C. September 21
D. December 22
Answer» C. September 21
238.

The true and mean suns occupy the same meridian at the same time on$?

A. April 15
B. June 14
C. September 1
D. All the above
Answer» E.
239.

The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is$?

A. B = bH/f
B. B =f/bH
C. B = b/fH
D. B = H/bf
Answer» B. B =f/bH
240.

Accidental errors$?

A. Do not follow any definite mathematical law
B. Cannot be removed by applying corrections to the observed values
C. Are generally small
D. All the above
Answer» E.
241.

If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about$?

A. 10 km
B. 25 km
C. 30 km
D. 50 km
Answer» D. 50 km
242.

Select the correct statement.$?

A. Contour interval on any map is kept constant.
B. Direct method of contouring is cheap¬er than indirect method.
C. Inter-visibility of points on a contour map cannot be ascertained.
D. Slope of a hill cannot be determined with the help of contours.
Answer» B. Direct method of contouring is cheap¬¨¬®er than indirect method.
243.

The distance between the minor control point and the principal point should be equal to$?

A. Base line of the left photograph of stereo pair
B. Base line of the right photograph of stereo pair
C. Sum of the base lines of stereo pair
D. Mean of the base lines of the stereo pair
Answer» E.
244.

If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by$?

A. sin H = tan φ . cot δ
B. cos H = tan φ . cot δ
C. tan H = tan φ . cot δ
D. None of these
Answer» C. tan H = tan ≈ì√ú . cot ≈í¬•
245.

The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is$?

A. 80°
B. 70°
C. 60°
D. 40°
Answer» E.
246.

Direct method of contouring is$?

A. a quick method
B. adopted for large surveys only
C. most accurate method
D. suitable for hilly terrains
Answer» D. suitable for hilly terrains
247.

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$?

A. 7.5 m
B. 25 m
C. 50 m
D. 75 m
Answer» E.
248.

The zenith is the point on the celestial sphere$?

A. East of observer
B. West of observer
C. North of observer
D. South of observer
Answer» E.
249.

The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is$?

A. 8,000 m
B. 10,000 m
C. 12,000 m
D. 14,000 m
Answer» D. 14,000 m
250.

International Date Line is located along$?

A. Standard meridian
B. Greenwich meridian
C. Equator
D. 180° longitude
Answer» E.