WorksheetsPractice and Theory 6
Total questions: 98
Worksheet time: 49mins
At western elongation, the pole star moves
a. eastward
b. westward
c. northward
d. southward
Pick up the correct statement from the following :
a. Refraction correction is zero when the celestial body is in the zenith
b. Refraction correction is 33' when the celestial body is on the horizon
c. Refraction correction of celestial bodies depends upon their altitudes
d. all the above.
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude :
a. mean sun
b. true sun
c. vernal equinox, star
d. all the above.
By raising the z-column of right projector, maximum y-parallax is introduced in the model at
a. position 1
b. position 2
c. position 4
d. position 4 and 6.
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.
The equation which is obtained by multiplying each equation by the coefficient of its un-knowns and by adding the equations thus formed, is known as
a. observation equation
b. conditional equation
c. normal equation
d. none of these.
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 and are also known as compensating errors
d. all the above.
If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is
a. δ - θ
b. θ - δ
c. θ + δ
d. θ + δ
2
In a tropical year, the number of sidereal days are
a. one less than mean solar days
b. one more than mean solar days
c. equal to mean solar days
d. none of these.
The position of a heavenly body on the celestial sphere can be completely specified by
a. its altitude and azimuth
b. its declination and hour angle
c. its declination and right ascension
d. all the above.
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.
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°.
The elevation of the star at elongation is obtained by
a. sin α = sin φ cosec δ
b. sin α = sin φ sec δ
c. sin α = cos φ sec δ
d. sin α = cos φ cosec δ.
The necessary geometrical condition for triangulation adjustment, is :
a. The sum of the angles around a station should be 360°
b. The sum of the three angles of a plane triangle should be 180°
c. The sum of the eight angles of a braced quadrilateral should be 360°
d. All the above.
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.
Pick up the correct statement from the following :
a. The angle between the plane of the negative and the horizontal plane containing perspective axis is the tilt of the photograph
b. The direction of maximum tilt is defined by the photo principal line
c. The principal plane is truly vertical plane which contains perspective centre as well as principal point and plumb point
d. All the above.
The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called
a. visible horizon
b. sensible horizon
c. celestial horizon
d. none of the above.
If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is
a. δ - θ
b. θ - δ
c. θ + δ
d. 1
2 (θ - δ).
Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel
a. 24%
b. 36%
c. 40%
d. 60%.
Triangulation surveys are carried out for locating
a. control points for surveys of large areas
b. control points for photogrammetric surveys
c. engineering works, i.e. terminal points of long tunnels, bridge abutments, etc.
d. all the above.
The movement of the projector in y-direction, introduces in the model a y-parallax
a. maximum at position 1
b. maximum at position 2
c. maximum at positions 3 and 4
d. equally throughout the model.
In field astronomy, the quantities observed are entirely
a. lengths
b. angles
c. heights
d. all of these.
The orthogonal projection of the perspective centre on a tilted photograph, is called
a. nadir
b. isocentre
c. principal point
d. plumb point.
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
The cross hairs in the surveying telescope are placed
a. midway between eye piece and objective 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
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
The smaller horizontal angle between the true meridian and a survey line, is known
a. Declination
b. Bearing
c. Azimuth
d. Dip
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)
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
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
Detailed plotting is generally done by
a. radiation
b. traversing
c. resection
d. all of the above
The station pointer is generally used in
a. Triangulation surveying
b. Astronomical surveying
c. Hydrographical surveying
d. Photogrammetric surveying
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
In Untitled Property, what Ccn stands for?
a. Cadastral Consolidation Notice
b. Certified Cadastral Number
c. Consolidation
d. Certified Certificate Notice
In Untitled Property, what Ccs stands for?
a. Consolidation & Subdivision
b. Consolidation
c. Subdivision
d. Cadastral Survey
In Untitled Property, what Csd
a. Consolidation
b. Subdivision
c. Consolidation & Subdivision
d. Cadastral Survey
In titled property, Gcn means in new symbol?
a. Consolidation by Government GE
b. Consolidation and Subdivision by Government GE
c. Subdivision by Government GE
d. Consolidation by Private GE
In titled property, Gcs means in new symbol?
a. Consolidation by Government GE
b. Consolidation and Subdivision by Government GE
c. Subdivision by Government GE
d. Consolidation by Private GE
In titled property, Gsd means in new symbol?
a. Consolidation by Government GE
b. Consolidation and Subdivision by Government GE
c. Subdivision by Government GE
d. Consolidation by Private GE
In titled property, Pcn means in new symbol?
a. Consolidation by Private GE
b. Consolidation and Subdivision by Private GE
c. Subdivision by Private GE
d. Cadastral Survey by Private GE
In titled property, Pcs means in new symbol?
a. Consolidation by Private GE
b. Consolidation and Subdivision by Private GE
c. Subdivision by Private GE
d. Cadastral Survey by Private GE
In titled property, Psd means in new symbol?
a. Consolidation by Private GE
b. Consolidation and Subdivision by Private GE
c. Subdivision by Private GE
d. Cadastral Survey by Private GE
In cadastral surveys, what does Cad means?
a. Cadastral Survey by Government GE
b. Cadastral Survey by Private GE
c. Cadastral Mapping
d. Cadastral Sketching
In cadastral surveys, what does Cad-D means?
a. Cadastral Survey by Government GE
b. Cadastral Survey by Private GE
c. Cadastral Mapping
d. Cadastral Sketching
In Mineral Land Surveys, Pl means
a. Placer Location Surveys
b. Petroleum Exploration Lease Surveys
c. Placer Land Surveys
d. Petroleum Drilling Lease Surveys
In government land surveys, Ngl means
a. (Insular) National Government Property Lease
b. (Insular) National Government Property Sale
c. Friar Land Boundary
d. Friar Lands Relocation
In government land surveys, Flb means
a. Friar Lands Resurvey
b. Friar Land Boundary
c. Friar Lands Relocation
d. Friar Land Subdivision
What color symbolize lot corner monument and line
a. Red
b. White
c. All Black
d. Yellow
The line along the sea coast reached by the highest Equinoctial Tide is ______
a. Shoreline
b. Foreshoreland
c. Salvage Zone
d. Easement of Coast Police
It is an easement of lands bordering the seas, gulfs, bays, or ports measured landward from the interior limit of the shoreline.
Shoreline
Salvage Zone
Foreshoreland
Easement of Coast Police
It is the obligation to leave a Right-of-Way Six (6) meters wide within the Salvage Zone.
Shoreline
Buffer Zone
Foreshoreland
Easement of Coast Police
It refers to that part of the shore which is alternately covered and uncovered by the ebb and flow of the (equinoctial) tide.
Shoreline
Buffer Zone
Foreshoreland
Easement of Coast Police.
It shall be a narrow natural bed or channel through which the water flows continuously or intermittently throughout the year.
Creek
Arroyo
Estero
Lake
It shall be a narrow natural bed or channel through which the water flows continuously or intermittently throughout the year
Creek
Arroyo
Estero
Lake
It shall be any bed or channel through which stagnant, dirty or salt water flows under the influence of the tides.
Creek
Arroyo
Estero
Lake
It is a body of water naturally or artificially confined and usually smaller than a lake.
Creek
Arroyo
Estero
Pond
It refers to a strip of land with natural or established vegetation which provides an added layer of protection to the natural forest including mangrove forests.
Creek
Arroyo
Estero
Buffer Zone
It shall be any bed or channel through which stagnant, dirty or salt water flows under the influence of the tides.
Creek
Arroyo
Estero
Buffer Zone
It is a shore or border of the land adjacent to the sea or ocean.
Creek
Seacoast
Estero
Buffer Zone
It shall be those which contain sufficient water to allow rafts, boats, cascos, etc., to float thereon and engage in transportation or other activities.
Navigable esteros or rivers
Arroyo
Estero
Buffer Zone
The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
a. horizon and equator
b. zenith and pole
c. equator and zenith
d. pole and horizon.
The Polaris describes a small circle round the pole whose radius is approximately
1°
2°
3°
4°
If α is the observed altitude, the refraction correction in seconds, is
58" cot α
58" tan α
58 sin α
58 cos α.
The station pointer is generally used in
Triangulation surveying
Astronomical surveying
Hydrographical surveying
Photogrammetric surveying.
The size of a plane table is
750 mm x 900 mm
600 mm x 750 mm
750 mm x 600 mm
300 mm x 450 mm
For a tacheometer the additive and multiplying constants are respectively
0 and 100
100 and 0
0 and 0
100 and 100
Parallax bar measures
parallax
height
parallax difference
height difference.
The obtain photographs of an area of 1000 m average elevation, on scale 1:30,000, with a camera of 30cm focal length, the flying height is
4000 m
5000 m
6000 m
7000 m
The correction for parallax, is
-8’’.8 cos a
+ .8” cos a
+8’’.8 cos a
None of the above
The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
Rational Horizon
True Horizon
Celestial Horizon
All of the above
From the principal point the horizon point lies on the principal line at a distance of
f tan θ
f sin θ
f cot θ
f cos θ
With the rise of temperature, the sensitivity of a bubble tube
Decreases
Increases
Remains unaffected
None of the above
Which of the following methods of contouring is most suitable for hilly terrain?
Direct method
Square method
Cross-sections method
Tacheometric method
Overturning of vehicles can be avoided by using
Compound curve
Vertical curve
Reverse curve
Transition curve
Direct method of contouring is
a quick method
adopted for large surveys only
most accurate method
suitable for hilly terrains
For plane ground the scale of a vertical photograph will be the same as that of a tiled photograph along the photo parallel through
Isocenter
Plum point
Principal Point
None of these
Closed contours, with higher value inwards, represent a
Depression
Hillock
Plain surface
None of the above
Pick up the correct statement from the following
Sidereal time at any instant is equal to the hour angle of the first point of Aries
Local sidereal time of any place is equal to the right ascension of its meridian
Sidereal time is equal to the right ascension of a star at its upper transit
All of the above
The following points form a pair of homologous points:
Photo principal point and ground principal point
Photo isocenter and ground isocenter
Photo plumb point and ground plumb point
All of the above
Triangulation surveys are carried out for providing
Planimetric control
Height control
Both a and b
None of these
The process of turning the telescope about the vertical axis in horizontal plane is known as
Transiting
Reversing
Plunging
Swinging
The following sights are taken on a “turning point”
foresight only
backsight only
foresight and backsight
foresight and intermediate sight
The number of horizontal cross wires in a stadia diaphragm is
one
two
three
four
Refraction correction
completely eliminates curvature correction
partially eliminates curvature correction
adds to the curvature correction
has no effect on eliminates curvature correction
Plotting on the _________ the corners as located from the control station, connecting the corners in accordance with the sketch of the survey.
Cadastral map
Topographic map
World map
Road map
Grid lines are parallel to
magnetic meridian of the central point of the grid
line representing the central true meridian
geographical equator
none of the above
Latitude of the observer’s position is equal to altitude of
North Pole
Pole star
Celestial pole
All of the above
To orient a plane table at a point with two inaccessible points, the method generally adopted, is ____.
intersection
resection
radiation
two point problem
If fight lines are run perpendicular to an area 30km wide, their spacings on a photographical map on scale 1:50,000, will be
1cm
2cm
3cm
4cm
The Polaris describes a small circle round the pole whose radius is approximately
1°
2°
3°
4°
The stereo plotting instruments are generally manufactured on the principle of
optical projection
optical mechanism projection
mechanical projection
all the above.
The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between
horizon and equator
zenith and pole
equator and zenith
pole and horizon.
The reduced bearing of a line is N 87° W. Its whole circle bearing is
87°
273°
93°
3°
An ideal vertical curve to join two gradients, is
circular
parabolic
elliptical
hyperbolic
Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as_______
city surveys
topographical surveys
guide map surveys
plane surveys.
International date line is located along.
standard meridian
Greenwich meridian
equator
180° longitude
The radius of curvature of the arc of the bubble tube is generally kept
10 m
25 m
50 m
100 m
Hydrographic surveys deal with the mapping of ______
large water bodies
heavenly bodies
mountaineous region
canal system
