195 + Mcqs in Advanced Surveying Page 1 McqOptions

1.	By applying clockwise swing to right projector, maximum y-parallax is introduced in the model at
A.	position 1
B.	position 2
C.	position 4
D.	position 6.
Answer» B. position 2

Discussion

2.	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

Discussion

3.	The distance between the projection centre and the photograph, is called
A.	principal distance
B.	principal line
C.	isocentric distance
D.	focal length.
Answer» B. principal line

Discussion

4.	The principal line is the line joining the principal point and
A.	nadir
B.	isocentre
C.	perspective centre
D.	none of these.
Answer» C. perspective centre

Discussion

5.	The angle between the observer's meridian and declination circle of a heavenly body, is known as
A.	hour angle
B.	azimuth
C.	right ascension
D.	declination.
Answer» B. azimuth

Discussion

6.	In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of
A.	Gauss' Mid Latitude formula
B.	Delamber's method
C.	Legendr's method
D.	Least square method.
Answer» E.

Discussion

7.	The net ground area of a vertical photograph 20 cm x 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.

Discussion

8.	The orthogonal projection of the perspective centre on a tilted photograph, is called
A.	nadir
B.	isocentre
C.	principal point
D.	plumb point.
Answer» D. plumb point.

Discussion

9.	The length of a parallel of λ latitude between two meridians is equal to difference in logitudes multiplied by
A.	sin λ
B.	cos λ
C.	tan λ
D.	cot λ.
Answer» C. tan λ

Discussion

10.	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.

Discussion

11.	The coverage is least if photography is
A.	high oblique
B.	low oblique
C.	vertical
D.	none of these.
Answer» D. none of these.

Discussion

12.	For any star to be a circumpolar star, its
A.	declination must be 0°
B.	declination must be 90°
C.	distance from the pole must be less than the latitude of the observer
D.	hour angle must be 180°.
Answer» D. hour angle must be 180°.

Discussion

13.	Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as
A.	swing
B.	tilt
C.	tip
D.	none of these.
Answer» D. none of these.

Discussion

14.	If δ is the declination of the star and φ is the latitude of the observer, then the azimuth of the star at elongation is given by
A.	sin z = sec φ . cos δ
B.	cos z = sec φ . cos δ
C.	tan z = sec φ . cos δ
D.	none of these.
Answer» B. cos z = sec φ . cos δ

Discussion

15.	Longitude of a place is the angular distance between the meridian of the place and
A.	the standard meridian
B.	the international date line
C.	that of Greenwich
D.	both (a) and (c) of above.
Answer» E.

Discussion

16.	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. θ = (z + δ) - 180°.

Discussion

17.	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.

Discussion

18.	In a spherical triangle ABC, right angled at C, sin b equals
A.	sin a cos A
B.	cos a sin A
C.	tan a cot A
D.	cot A tan a
Answer» D. cot A tan a

Discussion

19.	The main object of the astronomer to obtain
A.	astronomical latitude
B.	astronomical longitude
C.	astronomical bearing
D.	all of these.
Answer» E.

Discussion

20.	The angle between the axis of earth and the vertical at the station of observation is called
A.	astronomical latitude
B.	astronomical co-latitude
C.	co-declination of star
D.	declination of star.
Answer» C. co-declination of star

Discussion

21.	Homologous points are
A.	opposite corners of a photograph
B.	nodal points of the camera lens
C.	corresponding points on the ground and photograph
D.	plumb points of stereo pair of photographs.
Answer» D. plumb points of stereo pair of photographs.

Discussion

22.	The meridian of a place is
A.	a great circle passing through the place and the poles
B.	a great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
C.	a semi-circle which passes through the place and is terminated at the poles
D.	an arc of the great circle which passes through the place and is perpendicular to the equator.
Answer» D. an arc of the great circle which passes through the place and is perpendicular to the equator.

Discussion

23.	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 γ
C.	is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda.
D.	all the above.
Answer» E.

Discussion

24.	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

Discussion

25.	If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is
A.	10°
B.	20°
C.	30°
D.	40°
Answer» D. 40°

Discussion

26.	The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as
A.	ground principal point
B.	ground plumb point
C.	iso-centre
D.	perspective centre.
Answer» C. iso-centre

Discussion

27.	The sun's declination remains north between
A.	March 21 to June 21
B.	June 21 to September 21
C.	September 21 to December 21
D.	both (a) and (b) of above.
Answer» E.

Discussion

28.	Latitude of the observer's position is equal to altitude of
A.	north pole
B.	pole star
C.	celestial pole
D.	all the above.
Answer» D. all the above.

Discussion

29.	The moon rotates round the earth once in every
A.	29 days
B.	29.35 days
C.	29.53 days
D.	30 days.
Answer» C. 29.53 days

Discussion

30.	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.	isocentre
C.	plumb point
D.	perspective centre.
Answer» C. plumb point

Discussion

31.	The position of the sun when its north declination is maximum is known as
A.	vernal equinox
B.	Autumnal equinox
C.	summer solstice
D.	winter solstice.
Answer» D. winter solstice.

Discussion

32.	At upper culmination, the pole star moves
A.	eastward
B.	westward
C.	northward
D.	southward.
Answer» C. northward

Discussion

33.	The station where observations are not made, but the angles at the station are used in triangulation series, is known as
A.	satellite station
B.	subsidiary station
C.	pivot station
D.	main station.
Answer» D. main station.

Discussion

34.	A nautical mile is
A.	one minute arc of the great circle passing through two points
B.	one minute arc of the longitude
C.	6080 ft
D.	all the above.
Answer» E.

Discussion

35.	A star may culminate at zenith if its declination is
A.	greater than the longitude of the place
B.	less than the latitude of the place
C.	equal to the latitude of the place
D.	none of these.
Answer» D. none of these.

Discussion

36.	The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is
A.	4.4 mm
B.	5.5 mm
C.	6.5 mm
D.	7.5 mm
Answer» E.

Discussion

37.	If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be
A.	1000 km
B.	800 km
C.	600 km
D.	500 km
Answer» E.

Discussion

38.	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.

Discussion

39.	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

Discussion

40.	The prime vertical passes through
A.	the east point of the horizon
B.	the west point of the horizon
C.	the zenith point of the observer
D.	all the above.
Answer» E.

Discussion

41.	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.

Discussion

42.	Pick up the incorrect statement from the following. High oblique photographs
A.	may have tilt up to 30°
B.	may include the image of the horizon
C.	may not include the image of the horizon
D.	none of these.
Answer» E.

Discussion

43.	The altitude of a circumpolar star is maximum when it is
A.	at east elongation
B.	at upper culmination
C.	at west elongation
D.	at lower culmination.
Answer» C. at west elongation

Discussion

44.	To have greatest coverage of the area, the type of photography used, is
A.	high oblique
B.	low oblique
C.	vertical
D.	none of these.
Answer» B. low oblique

Discussion

45.	Parallax bar measures
A.	parallax
B.	height
C.	parallax difference
D.	height difference.
Answer» D. height difference.

Discussion

46.	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.

Discussion

47.	The parallax of a point on the photograph is due to
A.	ground elevation
B.	flying height
C.	length of air base
D.	all the above.
Answer» E.

Discussion

48.	Polaris is usually observed for the determination of the latitude when it is
A.	at culmination
B.	at elongation
C.	neither at culmination nor at elongation
D.	either at culmination or at elongation.
Answer» B. at elongation

Discussion

49.	The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is
A.	1 : 10,000
B.	1 : 15,000
C.	1 : 20,000
D.	1 : 30,000.
Answer» D. 1 : 30,000.

Discussion

50.	Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year
A.	once
B.	twice
C.	thrice
D.	four times
Answer» E.

Discussion

Explore topic-wise MCQs in Surveying.

By applying clockwise swing to right projector, maximum y-parallax is introduced in the model at

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

The distance between the projection centre and the photograph, is called

The principal line is the line joining the principal point and

The angle between the observer's meridian and declination circle of a heavenly body, is known as

In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of

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

The orthogonal projection of the perspective centre on a tilted photograph, is called

The length of a parallel of λ latitude between two meridians is equal to difference in logitudes multiplied by

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

The coverage is least if photography is

For any star to be a circumpolar star, its

Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as

If δ is the declination of the star and φ is the latitude of the observer, then the azimuth of the star at elongation is given by

Longitude of a place is the angular distance between the meridian of the place and

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

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

In a spherical triangle ABC, right angled at C, sin b equals

The main object of the astronomer to obtain

The angle between the axis of earth and the vertical at the station of observation is called

Homologous points are

The meridian of a place is

The First Point of Aeries

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

If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is

The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as

The sun's declination remains north between

Latitude of the observer's position is equal to altitude of

The moon rotates round the earth once in every

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

The position of the sun when its north declination is maximum is known as

At upper culmination, the pole star moves

The station where observations are not made, but the angles at the station are used in triangulation series, is known as

A nautical mile is

A star may culminate at zenith if its declination is

The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is

If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be

The latitude of the observer's position, is

Right ascension of a heavenly body is its equatorial angular distance measured

The prime vertical passes through

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

Pick up the incorrect statement from the following. High oblique photographs

The altitude of a circumpolar star is maximum when it is

To have greatest coverage of the area, the type of photography used, is

Parallax bar measures

A star in northern sphere is said to transit

The parallax of a point on the photograph is due to

Polaris is usually observed for the determination of the latitude when it is

The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is

Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year