Dumpy level is most suitable when

the instrument is to be shifted frequently

fly levelling is being done over long distance

many readings are to be taken from a single setting of the instrument

Triangulation surveys are carried out for providing

Both planimetric and height control

Pick up the incorrect statement from the following. In a spherical triangle

Sum of the three angles less than six right angles and greater than two right angles

Every angle is less than two right angles

Sum of the three angles is equal to two right angles

Sum of the three angles less than six right angles and greater than two right angles

Sum of any two sides is greater than the third

The horizontal distance between two consecutive contours

The vertical distance between two consecutive contours

The horizontal distance between two consecutive contours

The vertical distance between two points on same contour

The horizontal distance between two points on same contour

In the prismatic compass

the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

the magnetic needle moves with the box

the line of the sight does not move with the box

the magnetic needle and graduated circle do not move with the box

the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

For mapping any country

Geodetic triangulation of greatest possible sides and accuracy is carried out

Primary triangles are broken down into secondary triangles of somewhat lesser accuracy

Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys

For which of the following permanent adjustments of theodolite, the spire test is used ?

adjustment of altitude bubble and vertical index frame

To avoid large centering error with very short legs, observations are generally made

By using optical system for centering the theodolite

To a target fixed on theodolite tripod on which theodolite may be fitted easily

The height displacement on a vertical photograph

Increases as the horizontal distance increases from the principal point

Increases as the ground elevation increases

Decreases as the flying height increases

Transit rule of adjusting the consecutive coordinates of a traverse is used where

linear measurements are more accurate than angular measurements

linear and angular measurements of the traverse are of equal accuracy

angular measurements are more accurate than linear measurements

linear measurements are more accurate than angular measurements

The length of a chain is measured from

outside of one handle to inside of other handle

centre of one handle to centre of other handle

outside of one handle to outside of other handle

outside of one handle to inside of other handle

inside of one handle to inside of other handle

Is the period of time taken by the earth in making a complete rotation with reference to stars

Is slightly shorter than an ordinary solar day

Is divided into the conventional hours, minutes and seconds

For accurate work, the steel band should always be used in preference to chain because the steel band

can be easily repaired in the field

is practically inextensible and is not liable to kinks when in use

can be easily repaired in the field

Normal tension is that pull which

makes the correction due to sag equal to zero

is used at the time of standardising the tape

neutralizes the effect due to pull and sag

makes the correction due to sag equal to zero

makes the correction due to pull equal to zero

Spring tides are caused when

Sun and moon are in line with earth

Solar tidal force acts opposite to lunar tidal force

Solar tidal force and lunar tidal force both coincide

410 + Mcqs in Surveying in Surveying Page 7 McqOptions

301.	For a well-conditioned triangle, no angle should be less than
A.	20°
B.	30°
C.	45°
D.	60°
Answer» C. 45°

Discussion

302.	The angle between the direction of star and the direction of earth's axis of rotation is called
A.	Co-declination
B.	Co-latitude
C.	Declination
D.	Latitude
Answer» B. Co-latitude

Discussion

303.	Dumpy level is most suitable when
A.	the instrument is to be shifted frequently
B.	fly levelling is being done over long distance
C.	many readings are to be taken from a single setting of the instrument
D.	all of the above
Answer» D. all of the above

Discussion

304.	If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is
A.	99.345 m
B.	100.345 m
C.	100.655 m
D.	101.870 m
Answer» B. 100.345 m

Discussion

305.	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.

Discussion

306.	Triangulation surveys are carried out for providing
A.	Planimetric control
B.	Height control
C.	Both planimetric and height control
D.	None of these
Answer» D. None of these

Discussion

307.	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

308.	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.

Discussion

309.	If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be
A.	2 mm
B.	4 mm
C.	6 mm
D.	10 mm
Answer» E.

Discussion

310.	Pick up the incorrect statement from the following. In a spherical triangle
A.	Every angle is less than two right angles
B.	Sum of the three angles is equal to two right angles
C.	Sum of the three angles less than six right angles and greater than two right angles
D.	Sum of any two sides is greater than the third
Answer» C. Sum of the three angles less than six right angles and greater than two right angles

Discussion

311.	If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be
A.	f sin θ
B.	f cos θ
C.	f tan θ
D.	f sec θ
Answer» D. f sec θ

Discussion

312.	Contour interval is
A.	The vertical distance between two consecutive contours
B.	The horizontal distance between two consecutive contours
C.	The vertical distance between two points on same contour
D.	The horizontal distance between two points on same contour
Answer» B. The horizontal distance between two consecutive contours

Discussion

313.	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

Discussion

314.	The permissible error in chaining for measurement with chain on rough or hilly ground is
A.	1 in 100
B.	1 in 250
C.	1 in 500
D.	1 in 1000
Answer» C. 1 in 500

Discussion

315.	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

316.	In the prismatic compass
A.	the magnetic needle moves with the box
B.	the line of the sight does not move with the box
C.	the magnetic needle and graduated circle do not move with the box
D.	the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction
Answer» D. the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

Discussion

317.	For mapping any country
A.	Geodetic triangulation of greatest possible sides and accuracy is carried out
B.	Primary triangles are broken down into secondary triangles of somewhat lesser accuracy
C.	Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys
D.	All the above
Answer» E.

Discussion

318.	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

319.	The resection by two point problem as compared to three point problem
A.	gives more accurate problem
B.	takes less time
C.	requires more labour
D.	none of the above
Answer» D. none of the above

Discussion

320.	For which of the following permanent adjustments of theodolite, the spire test is used ?
A.	adjustment of plate levels
B.	adjustment of line of sight
C.	adjustment of horizontal axis
D.	adjustment of altitude bubble and vertical index frame
Answer» D. adjustment of altitude bubble and vertical index frame

Discussion

321.	To avoid large centering error with very short legs, observations are generally made
A.	To chain pins
B.	By using optical system for centering the theodolite
C.	To a target fixed on theodolite tripod on which theodolite may be fitted easily
D.	All the above
Answer» D. All the above

Discussion

322.	The angle between the prolongation of the preceding line and the forward line of a traverse is called
A.	deflection angle
B.	included angle
C.	direct angle
D.	none of the above
Answer» B. included angle

Discussion

323.	Stellar astronomy deals with
A.	Plane surveying
B.	Geodetic surveying
C.	Star observations
D.	Planet observations
Answer» D. Planet observations

Discussion

324.	The main object of the astronomer to obtain
A.	Astronomical latitude
B.	Astronomical longitude
C.	Astronomical bearing
D.	All of these
Answer» E.

Discussion

325.	The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as
A.	Observation equation
B.	Conditional equation
C.	Normal equation
D.	None of these
Answer» D. None of these

Discussion

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

Discussion

327.	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

328.	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

Discussion

329.	The height displacement on a vertical photograph
A.	Increases as the horizontal distance increases from the principal point
B.	Increases as the ground elevation increases
C.	Decreases as the flying height increases
D.	All the above
Answer» E.

Discussion

330.	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

331.	Transit rule of adjusting the consecutive coordinates of a traverse is used where
A.	linear and angular measurements of the traverse are of equal accuracy
B.	angular measurements are more accurate than linear measurements
C.	linear measurements are more accurate than angular measurements
D.	all of the above
Answer» C. linear measurements are more accurate than angular measurements

Discussion

332.	The line of collimation method of reduction of levels, does not provide a check on
A.	Intermediate sights
B.	Fore sights
C.	Back sights
D.	Reduced levels
Answer» B. Fore sights

Discussion

333.	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

334.	The nautical mile is the length of
A.	1 minute of latitude
B.	1 minute of longitude
C.	1 degree of latitude
D.	1 degree of longitude
Answer» C. 1 degree of latitude

Discussion

335.	The length of a chain is measured from
A.	centre of one handle to centre of other handle
B.	outside of one handle to outside of other handle
C.	outside of one handle to inside of other handle
D.	inside of one handle to inside of other handle
Answer» C. outside of one handle to inside of other handle

Discussion

336.	International Date Line is located along
A.	Standard meridian
B.	Greenwich meridian
C.	Equator
D.	180° longitude
Answer» E.

Discussion

337.	Agate cap is fitted with a
A.	cross staff
B.	level
C.	chain
D.	prismatic compass
Answer» E.

Discussion

338.	The net ground area of a vertical photograph 20 cm × 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

339.	In field astronomy, the quantities observed are entirely
A.	Lengths
B.	Angles
C.	Heights
D.	All of these
Answer» C. Heights

Discussion

340.	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

341.	Sidereal day
A.	Is the period of time taken by the earth in making a complete rotation with reference to stars
B.	Is slightly shorter than an ordinary solar day
C.	Is divided into the conventional hours, minutes and seconds
D.	All the above
Answer» E.

Discussion

342.	For accurate work, the steel band should always be used in preference to chain because the steel band
A.	is lighter than chain
B.	is easier to handle
C.	is practically inextensible and is not liable to kinks when in use
D.	can be easily repaired in the field
Answer» D. can be easily repaired in the field

Discussion

343.	After fixing the plane table to the tripod, the main operations which are needed at each plane table station are(i) Levelling(ii) Orientation(iii) CenteringThe correct sequence of these operations is
A.	(i), (ii), (iii)
B.	(i), (iii), (ii)
C.	(iii), (i), (ii)
D.	(ii), (iii), (i)
Answer» C. (iii), (i), (ii)

Discussion

344.	Normal tension is that pull which
A.	is used at the time of standardising the tape
B.	neutralizes the effect due to pull and sag
C.	makes the correction due to sag equal to zero
D.	makes the correction due to pull equal to zero
Answer» C. makes the correction due to sag equal to zero

Discussion

345.	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

346.	If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to
A.	d
B.	1/d
C.	d2
D.	1/d2
Answer» D. 1/d2

Discussion

347.	The time interval between successive transits of the moon, is
A.	24 hours 10 minutes
B.	20 hours 25 minutes
C.	24 hours 50 minutes
D.	23 hours 50 minutes
Answer» D. 23 hours 50 minutes

Discussion

348.	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

349.	Spring tides are caused when
A.	Sun and moon are in line with earth
B.	Solar tidal force acts opposite to lunar tidal force
C.	Solar tidal force and lunar tidal force both coincide
D.	None of these
Answer» D. None of these

Discussion

350.	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

Discussion

Explore topic-wise MCQs in Surveying.

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

The angle between the direction of star and the direction of earth's axis of rotation is called

Dumpy level is most suitable when

If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is

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

Triangulation surveys are carried out for providing

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

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

If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be

Pick up the incorrect statement from the following. In a spherical triangle

If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be

Contour interval is

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

The permissible error in chaining for measurement with chain on rough or hilly ground is

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

In the prismatic compass

For mapping any country

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

The resection by two point problem as compared to three point problem

For which of the following permanent adjustments of theodolite, the spire test is used ?

To avoid large centering error with very short legs, observations are generally made

The angle between the prolongation of the preceding line and the forward line of a traverse is called

Stellar astronomy deals with

The main object of the astronomer to obtain

The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as

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

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

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

The height displacement on a vertical photograph

The moon rotates round the earth once in every

Transit rule of adjusting the consecutive coordinates of a traverse is used where

The line of collimation method of reduction of levels, does not provide a check on

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

The nautical mile is the length of

The length of a chain is measured from

International Date Line is located along

Agate cap is fitted with a

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

In field astronomy, the quantities observed are entirely

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

Sidereal day

For accurate work, the steel band should always be used in preference to chain because the steel band

After fixing the plane table to the tripod, the main operations which are needed at each plane table station are(i) Levelling(ii) Orientation(iii) CenteringThe correct sequence of these operations is

Normal tension is that pull which

A star in northern sphere is said to transit

If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to

The time interval between successive transits of the moon, is

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

Spring tides are caused when

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