410 + Mcqs in Surveying Page 5 McqOptions

201.	The instrument used for accurate centering in plane table survey is
A.	spirit level
B.	alidade
C.	plumbing fork
D.	trough compass
Answer» D. trough compass

Discussion

202.	At lower culmination, the pole star moves
A.	Eastward
B.	Westward
C.	Northward
D.	Southward
Answer» B. Westward

Discussion

203.	At western elongation, the pole star moves
A.	Eastward
B.	Westward
C.	Northward
D.	Southward
Answer» E.

Discussion

204.	At upper culmination, the pole star moves
A.	Eastward
B.	Westward
C.	Northward
D.	Southward
Answer» C. Northward

Discussion

205.	At eastern elongation, the pole star moves
A.	Eastward
B.	Westward
C.	Northward
D.	Southward
Answer» D. Southward

Discussion

206.	The graduations in prismatic compassi) are invertedii) are uprightiii) run clockwise having 0° at southiv) run clockwise having 0° at northThe correct answer is
A.	(i) and (iii)
B.	(i) and (iv)
C.	(ii) and (iii)
D.	(ii) and (iv)
Answer» B. (i) and (iv)

Discussion

207.	The methods used for locating the plane table stations arei) radiationii) traversingiii) intersectioniv) resectionThe correct answer is
A.	(i) and (ii)
B.	(iii) and (iv)
C.	(ii) and (iv)
D.	(i) and (iii)
Answer» D. (i) and (iii)

Discussion

208.	The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
A.	Equator
B.	Celestial equator
C.	Ecliptic
D.	None of these
Answer» D. None of these

Discussion

209.	The cross hairs in the surveying telescope are placed
A.	midway between eye piece and objec-tive lens
B.	much closer to the eye-piece than to the objective lens
C.	much closer to the objective lens than to the eye piece
D.	anywhere between eye-piece and objective lens
Answer» C. much closer to the objective lens than to the eye piece

Discussion

210.	At the first point of Aeries, the sun moves
A.	Northward
B.	Southward
C.	From south to north of the equator
D.	From north to south of the equator
Answer» D. From north to south of the equator

Discussion

211.	If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be
A.	true R.L.
B.	more than true R.L.
C.	less than true R.L.
D.	none of the above
Answer» D. none of the above

Discussion

212.	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

213.	A negative declination shows that the magnetic meridian is to the
A.	eastern side of the true meridian
B.	western side of the true meridian
C.	southern side of the true meridian
D.	none of the above
Answer» C. southern side of the true meridian

Discussion

214.	Check lines (or proof lines) in Chain Surveying, are essentially required
A.	To plot the chain lines
B.	To plot the offsets
C.	To indicate the accuracy of the survey work
D.	To increase the out-turn
Answer» D. To increase the out-turn

Discussion

215.	Which of the following angles can be set out with the help of French cross staff?
A.	45° only
B.	90° only
C.	either 45° or 90°
D.	any angle
Answer» D. any angle

Discussion

216.	The two point problem and three point problem are methods of
A.	resection
B.	orientation
C.	traversing
D.	resection and orientation
Answer» E.

Discussion

217.	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

Discussion

218.	The correction for sag is
A.	always additive
B.	always subtractive
C.	always zero
D.	sometimes additive and sometimes subtractive
Answer» C. always zero

Discussion

219.	For a line AB
A.	the forebearing of AB and back bearing of AB differ by 180°
B.	the forebearing of AB and back bearing of BA differ by 180°
C.	both (A) and (B) are correct
D.	none is correct
Answer» B. the forebearing of AB and back bearing of BA differ by 180°

Discussion

220.	The difference in longitude of two places expressed in time is equal to the difference in their
A.	Sidereal time
B.	Apparent solar time
C.	Mean solar time
D.	All the above
Answer» E.

Discussion

221.	If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is
A.	cos δ/cos λ
B.	cos (90° - δ)/cos (90° - λ)
C.	sin (90° - δ)/sin (90° - λ)
D.	tan (90° + δ)/tan (90° + λ)
Answer» B. cos (90° - δ)/cos (90° - λ)

Discussion

222.	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

Discussion

223.	The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
A.	Altitude and azimuth system
B.	Declination and hour angle system
C.	Declination and right ascension system
D.	Declination and altitude system
Answer» D. Declination and altitude system

Discussion

224.	The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is
A.	5100 nautical miles
B.	5700 nautical miles
C.	120 nautical miles
D.	500 nautical miles
Answer» C. 120 nautical miles

Discussion

225.	Which of the following errors can be neutralised by setting the level midway between the two stations ?
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
Answer» D. none of the above

Discussion

226.	‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is
A.	H. f
B.	H/f
C.	f/H
D.	H + f
Answer» D. H + f

Discussion

227.	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

Discussion

228.	The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is
A.	f/H sec θ
B.	f sec θ/H
C.	f/H
D.	f/H cos ½θ
Answer» C. f/H

Discussion

229.	The negative sign is assigned to
A.	Reduction to mean sea level
B.	Correction for horizontal alignment
C.	Correction for slope
D.	All the above
Answer» E.

Discussion

230.	Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?
A.	error due to eccentricity of verniers
B.	error due to displacement of station signals
C.	error due to wrong adjustment of line of collimation and trunnion axis
D.	error due to inaccurate graduation
Answer» C. error due to wrong adjustment of line of collimation and trunnion axis

Discussion

231.	The station pointer is generally used in
A.	Triangulation surveying
B.	Astronomical surveying
C.	Hydrographical surveying
D.	Photogrammetric surveying
Answer» D. Photogrammetric surveying

Discussion

232.	Detailed plotting is generally done by
A.	radiation
B.	traversing
C.	resection
D.	all of the above
Answer» B. traversing

Discussion

233.	Pick up the incorrect statement from the following. The angular distance of heavenly bodies on observer's meridian measured from the pole, is
A.	Co-declination
B.	Co-altitude
C.	Co-latitude
D.	Polar distance
Answer» B. Co-altitude

Discussion

234.	The principal line is the line joining the principal point and
A.	Nadir
B.	Isocenter
C.	Perspective centre
D.	None of these
Answer» C. Perspective centre

Discussion

235.	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

236.	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

237.	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

238.	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.

Discussion

239.	Benchmark is established by
A.	hypsometry
B.	barometric levelling
C.	spirit levelling
D.	trigonometrical levelling
Answer» D. trigonometrical levelling

Discussion

240.	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

241.	Places having same latitude
A.	Lie on the parallel of the latitude
B.	Are equidistant from the nearer pole
C.	Are equidistant from both the poles
D.	All the above
Answer» E.

Discussion

242.	A series of closely spaced contour lines represents a
A.	steep slope
B.	gentle slope
C.	uniform slope
D.	plane surface
Answer» B. gentle slope

Discussion

243.	The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is
A.	f2
B.	2f2
C.	3f2
D.	½f
Answer» B. 2f2

Discussion

244.	The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
A.	Rational horizon
B.	True horizon
C.	Celestial horizon
D.	All the above
Answer» E.

Discussion

245.	The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
A.	Equator
B.	Terrestrial equator
C.	0° latitude
D.	All the above
Answer» E.

Discussion

246.	The allowable length of an offset depends upon the
A.	degree of accuracy required
B.	method of setting out the perpendiculars and nature of ground
C.	scale of plotting
D.	all of the above
Answer» E.

Discussion

247.	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.

Discussion

248.	Three point problem can be solved by
A.	Tracing paper method
B.	Bessels method
C.	Lehman’s method
D.	all of the above
Answer» E.

Discussion

249.	If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good
A.	cos H = tan λ/tan δ
B.	sin α = sin λ/sin δ
C.	sin A = cos δ/cos λ
D.	All the above
Answer» E.

Discussion

250.	Latitude of a place is the angular distance from
A.	Greenwich to the place
B.	Equator to the poles
C.	Equator to the nearer pole
D.	None of these
Answer» E.

Discussion

Explore topic-wise MCQs in Surveying.

The instrument used for accurate centering in plane table survey is

At lower culmination, the pole star moves

At western elongation, the pole star moves

At upper culmination, the pole star moves

At eastern elongation, the pole star moves

The graduations in prismatic compassi) are invertedii) are uprightiii) run clockwise having 0° at southiv) run clockwise having 0° at northThe correct answer is

The methods used for locating the plane table stations arei) radiationii) traversingiii) intersectioniv) resectionThe correct answer is

The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called

The cross hairs in the surveying telescope are placed

At the first point of Aeries, the sun moves

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

The latitude of the observer's position, is

A negative declination shows that the magnetic meridian is to the

Check lines (or proof lines) in Chain Surveying, are essentially required

Which of the following angles can be set out with the help of French cross staff?

The two point problem and three point problem are methods of

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 correction for sag is

For a line AB

The difference in longitude of two places expressed in time is equal to the difference in their

If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is

The smaller horizontal angle between the true meridian and a survey line, is known

The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is

The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is

Which of the following errors can be neutralised by setting the level midway between the two stations ?

‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is

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

The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is

The negative sign is assigned to

Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

The station pointer is generally used in

Detailed plotting is generally done by

Pick up the incorrect statement from the following. The angular distance of heavenly bodies on observer's meridian measured from the pole, is

The principal line is the line joining the principal point and

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

The coverage is least if photography is

The meridian of a place is

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

Benchmark is established by

The sun's declination remains north between

Places having same latitude

A series of closely spaced contour lines represents a

The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is

The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called

The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

The allowable length of an offset depends upon the

The zenith is the point on the celestial sphere

Three point problem can be solved by

If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good

Latitude of a place is the angular distance from