MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 410 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
For a well-conditioned triangle, no angle should be less than |
| A. | 20° |
| B. | 30° |
| C. | 45° |
| D. | 60° |
| Answer» C. 45° | |
| 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 | |
| 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 | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |
| 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. | |
| 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. | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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° | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 323. |
Stellar astronomy deals with |
| A. | Plane surveying |
| B. | Geodetic surveying |
| C. | Star observations |
| D. | Planet observations |
| Answer» D. Planet observations | |
| 324. |
The main object of the astronomer to obtain |
| A. | Astronomical latitude |
| B. | Astronomical longitude |
| C. | Astronomical bearing |
| D. | All of these |
| Answer» E. | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |
| 336. |
International Date Line is located along |
| A. | Standard meridian |
| B. | Greenwich meridian |
| C. | Equator |
| D. | 180° longitude |
| Answer» E. | |
| 337. |
Agate cap is fitted with a |
| A. | cross staff |
| B. | level |
| C. | chain |
| D. | prismatic compass |
| Answer» E. | |
| 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. | |
| 339. |
In field astronomy, the quantities observed are entirely |
| A. | Lengths |
| B. | Angles |
| C. | Heights |
| D. | All of these |
| Answer» C. Heights | |
| 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 | |
| 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. | |
| 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 | |
| 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) | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |
| 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. | |
| 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 | |
| 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 | |