Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

A total station is a combination of:(a) EDM and Theodolite(b) Compass and EDM(c) Electronic Theodolite and EDM(d) EDM and electronic CompassI have been asked this question in class test.Question is from EDM in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct answer is (c) Electronic THEODOLITE and EDM

The best explanation: Total station can be USED to measure distance and angles. It EMPLOYS an electronic theodolite and an EDM to serve this purpose.

2.

Which is the arithmetic check for the height of instrument method?(a) ∑FS + ∑BS = First RL + Last [email protected](b) ∑BS – ∑FS = Last RL – First [email protected](c) ∑FS + ∑BS = Last RL + First [email protected](d) ∑BS – ∑FS = First RL – Last [email protected]I got this question in final exam.This is a very interesting question from Methods of Levelling topic in division Basic Surveying of Basic Civil Engineering

Answer»

Right option is (B) ∑BS – ∑FS = Last RL – First [email protected]

To explain I WOULD say: To check if the readings are written properly, an arithmetic check is done. The sum of back SIGHT (BS) and Fore sight (FS) are subtracted. It should be EQUAL to the difference of the last and first reduced level (RL).

3.

Reciprocal levelling is used when,(a) Flat terrain(b) Obstacles are there(c) BM not visible(d) Highway constructionThis question was posed to me in a job interview.Query is from Methods of Levelling in section Basic Surveying of Basic Civil Engineering

Answer»

Correct OPTION is (B) Obstacles are there

For explanation I would SAY: If the points to surveyed LIE on opposite banks of a river, reciprocal levelling can be used. It is done from both sides to eliminate CHANCES of error.

4.

Stadia levelling is a modified form of:(a) Fly levelling(b) Differential levelling(c) Simple levelling(d) Trigonometric levellingThe question was asked in class test.Origin of the question is Methods of Levelling topic in chapter Basic Surveying of Basic Civil Engineering

Answer»

Correct answer is (d) TRIGONOMETRIC levelling

Explanation: Tacheometer principle is used to determine the ELEVATION of points. Line of sight is INCLINED and it is more suitable for SURVEYING in hilly TERRAINS.

5.

Level vials can be of ____________ types.(a) 4(b) 3(c) 5(d) 2I had been asked this question during an online exam.The query is from Equipments Used in Levelling topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct OPTION is (d) 2

The EXPLANATION: Level vials contain a BUBBLE, which is to be centralised to obtain a horizontal line of SIGHT. It may be of bulls-eye type (circular shaped) or vial type (tube shaped).

6.

How many types of self-reading staff are available?(a) 5(b) 2(c) 3(d) 4I had been asked this question during an interview.Enquiry is from Equipments Used in Levelling in section Basic Surveying of Basic Civil Engineering

Answer» CORRECT OPTION is (C) 3

To explain: There are 3 types of self-reading staff. They are solid, FOLDING and telescopic staff.
7.

A digital level reads a:(a) Target staff(b) Barcoded staff(c) Digital staff(d) Telescopic staffI got this question in quiz.My doubt stems from Equipments Used in Levelling in section Basic Surveying of Basic Civil Engineering

Answer»

Correct option is (b) BARCODED staff

To explain I would say: Digital LEVEL is an electronic level. It is set up on a tripod and it READS a barcoded staff. All the details are fed into the memory of level and can be retrieved on a computer.

8.

The book in which chain measurements are entered is called:(a) Field book(b) Record book(c) Study book(d) Chain bookI have been asked this question in unit test.This intriguing question comes from Chain Surveying in chapter Basic Surveying of Basic Civil Engineering

Answer»

The CORRECT answer is (a) Field book

The best explanation: Field book is used to enter all the measurements done while surveying. It is an oblong book of SIZE 20x12cm and OPENS length WISE.

9.

How many types of chains are used in chain surveying?(a) 4(b) 5(c) 6(d) 8The question was asked in an online interview.Enquiry is from Chain Surveying in section Basic Surveying of Basic Civil Engineering

Answer»

Right option is (b) 5

The best I can explain: There can be 5 types of chains USED for chain surveying. They are the metric chain, Gunter’s chain, engineer’s chain, REVENUE chain and steel BAND or band chain.

10.

A plumbing fork is used to __________ the plane table.(a) Focus(b) Centre(c) Orient(d) LevelI had been asked this question in an interview for job.I need to ask this question from Plane Table Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Right option is (b) Centre

To EXPLAIN: PLUMBING FORK is also called U-fame. It has a U-shaped frame which can be CLAMPED onto the plane table. The LOWER end has provision for suspending a plumb bob. It is used to centre the table w.r.t station.

11.

For accurate levelling __________ is attached inside telescope in an automatic level.(a) Alinometer(b) Compensator(c) Cross hairs(d) Double lensI had been asked this question in examination.The above asked question is from Equipments Used in Levelling topic in section Basic Surveying of Basic Civil Engineering

Answer» CORRECT CHOICE is (b) Compensator

The best I can explain: Compensator is also CALLED STABILIZER. It consists of 2 fixed prisms and it creates an optical path between eye piece and OBJECTIVE. It results in exact positioning of the line of sight due to gravity.
12.

An offset is a _________ distance of an object measured from the survey line.(a) Lateral(b) Horizontal(c) Normal(d) InclinedI have been asked this question during an interview.This intriguing question comes from Chain Surveying in division Basic Surveying of Basic Civil Engineering

Answer»

The correct option is (a) Lateral

To explain: OFFSETS are taken perpendicular to the survey lines. They are USED to MARK objects and the lateral distance to them, using an OFFSET rod.

13.

How many types of EDM instruments are there based on wavelength?(a) 2(b) 4(c) 5(d) 3I got this question in homework.The question is from EDM topic in portion Basic Surveying of Basic Civil Engineering

Answer»

The CORRECT choice is (d) 3

The BEST I can explain: The 3 types are MICROWAVE (TELLUROMETER), infrared (Distomat) and visible range (GEODIMETER).

14.

The line which separates the catchment basin from the rest of the area is:(a) Ridge line(b) Dam line(c) Catchment line(d) Watershed lineI had been asked this question in an interview for internship.I'm obligated to ask this question of Contouring in division Basic Surveying of Basic Civil Engineering

Answer»

Correct choice is (d) Watershed LINE

The BEST EXPLANATION: The area where RAIN water DRAINS into the river is the catchment area of the river. The watershed line is then marked. The area inside this line is measured in order to study flood levels.

15.

Plan table surveying uses the methodology of:(a) Triangulation(b) Contouring(c) Ranging(d) TraversingI got this question at a job interview.The question is from Plane Table Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer» RIGHT choice is (d) TRAVERSING

To explain I would say: Traversing is a methodology where the number of CONNECTED lines are there whose length is measured using tape/chain and ANGLE using any angle measuring INSTRUMENT. PT survey uses this methodology.
16.

Which of the below is used for levelling a plane table?(a) Plumb bob(b) Spirit level(c) Compass(d) U-frameThe question was posed to me during an online interview.Origin of the question is Plane Table Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Right OPTION is (b) Spirit level

The EXPLANATION is: A spirit level is a rectangular BOX, containing a small bubble inside it. It is PLACED on the table, table is moved and fixed when the bubble is centralised.

17.

Which of the below is not a classification of surveying?(a) Marine(b) Basement(c) Astronomical(d) LandI had been asked this question in an international level competition.I would like to ask this question from Basic Surveying Terms topic in section Basic Surveying of Basic Civil Engineering

Answer» RIGHT answer is (b) Basement

The best EXPLANATION: Based on place of survey, the CLASSIFICATION includes land, marine and astronomical categories. Basement refers to UNDERGROUND, no survey is performed there.
18.

Prismatic Compass is based on the reduced bearing system.(a) True(b) FalseThe question was posed to me in an interview.This intriguing question originated from Compass Surveying in section Basic Surveying of Basic Civil Engineering

Answer»

The correct ANSWER is (b) False

The BEST I can explain: Prismatic Compass functions based on WCB – WHOLE circle bearing and SURVEYOR’s compass functions based on the REDUCED bearing system.

19.

Chain surveying uses the principle of:(a) Traversing(b) Chaining(c) Ranging(d) TriangulationI got this question in exam.The above asked question is from Chain Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct option is (d) TRIANGULATION

The best I can explain: Chain surveying is suitable for a SURVEY of SMALL AREAS. The area is DIVIDED into well- conditioned triangles and triangulation is the principle used.

20.

________ is a term used that prevents the needle from pointing to the magnetic North in a given locality.(a) Local attraction(b) Declination(c) Deviation(d) Local distractionThis question was addressed to me during an interview.This intriguing question comes from Compass Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Right option is (a) Local attraction

To elaborate: While reading a compass, sometimes NEEDLE MIGHT be slightly deviated from magnetic North. It can be due to any WEATHER conditions, magnetic objects NEARBY. It has to be corrected to get ACCURATE readings.

21.

How many types of a compass are used in surveying?(a) 4(b) 2(c) 3(d) 5I had been asked this question in an online quiz.This interesting question is from Compass Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct CHOICE is (b) 2

Best EXPLANATION: The two compass TYPES used in SURVEYING are PRISMATIC Compass and Surveyor’s Compass. Prismatic Compass is most commonly used one for surveying.

22.

Gunter’s chain consists of _________ links.(a) 500(b) 50(c) 1000(d) 100This question was addressed to me during an online exam.Asked question is from Chain Surveying in division Basic Surveying of Basic Civil Engineering

Answer»

Right OPTION is (d) 100

To ELABORATE: Gunter’s chain is ALSO called surveyor’s chain and is 66ft long. It consists of 100 links, each being 0.6 ft. Eighty Gunter’s chain corresponds to 1 mile.

23.

The biggest of the survey line is called:(a) First line(b) Base line(c) Tie line(d) Main survey lineThe question was asked in final exam.The origin of the question is Chain Surveying in chapter Basic Surveying of Basic Civil Engineering

Answer»

The CORRECT choice is (b) BASE LINE

Explanation: The line JOINING the main survey station is called the main survey line. The biggest of the main survey line is the base line, and other features are plotted with respect to this line.

24.

An acre is equal to 107,639 square feet.(a) True(b) FalseI had been asked this question during an online exam.This interesting question is from Basic Surveying Terms in chapter Basic Surveying of Basic Civil Engineering

Answer»

Right answer is (B) False

For explanation I would say: An acre is equal to 43,560 SQUARE FEET. A HECTARE is equal to 2.471 acres or 107,639 square feet.

25.

Which of the below is not a means of linear surveying methods?(a) Theodolite(b) EDM(c) Tape(d) ChainI had been asked this question in exam.My question is based upon Basic Surveying Terms topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct ANSWER is (a) THEODOLITE

Easy EXPLANATION: Theodolite is an INSTRUMENT used to measure angular readings. It is used in angular surveying. All other options are used to take LINEAR measurements.

26.

Plan is a small-scale representation of a large area.(a) True(b) FalseThe question was posed to me in examination.I want to ask this question from Basic Surveying Terms topic in chapter Basic Surveying of Basic Civil Engineering

Answer» CORRECT option is (b) False

To explain I would SAY: MAP is a SMALL-scale representation of a LARGE area.Plan is a large-scale representation of a small area.
27.

EDM stands for:(a) Errorless Distance Measurement(b) Electronic Direct Measurement(c) Electronic Distance Measurement(d) Errorless Direct MeasurementI had been asked this question by my school teacher while I was bunking the class.Asked question is from Basic Surveying Terms topic in section Basic Surveying of Basic Civil Engineering

Answer» RIGHT option is (c) Electronic Distance Measurement

The best explanation: To locate POINTS, measure angles, distance and perform other surveying operations, an EDM can be used. It gives all the DETAILS with a click of button. Total STATION is an example of EDM.
28.

Contours can be found in a __________ map.(a) Political(b) Topographical(c) Physical(d) ThematicThis question was posed to me by my college professor while I was bunking the class.I want to ask this question from Contouring in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct choice is (b) Topographical

To explain I would SAY: These are IMAGINARY lines, which passes through points of same or equal ELEVATIONS. These are found in topographical maps to represent features like mountains, valleys, ETC.

29.

How many types of levelling are there?(a) 3(b) 2(c) 4(d) 5I got this question in a national level competition.I'd like to ask this question from Methods of Levelling topic in chapter Basic Surveying of Basic Civil Engineering

Answer»

Right choice is (C) 4

Best EXPLANATION: There are 4 ways to perform levelling. They are DIRECT levelling, trigonometric levelling, barometric levelling and stadia levelling.

30.

Which of the below is not common in all levelling equipment?(a) Telescope(b) Level vials(c) Level rods(d) Tilting screwsI have been asked this question in quiz.This intriguing question comes from Equipments Used in Levelling topic in chapter Basic Surveying of Basic Civil Engineering

Answer» RIGHT option is (d) Tilting screws

Explanation: Tilting screw is found only in the tilting level. Using this, one can tilt the telescope to the REQUIRED angle, KEEPING the vertical AXIS.
31.

A levelling staff is used to establish:(a) Horizontal line of sight(b) Vertical line of sight(c) Location of points(d) Distance of pointsI had been asked this question in semester exam.This question is from Equipments Used in Levelling topic in chapter Basic Surveying of Basic Civil Engineering

Answer»

Right option is (a) Horizontal line of sight

Best explanation: A levelling staff is a STRAIGHT rectangular rod, with graduations, zero STARTING from foot of staff. It is PLACED at the required POINT and horizontal line of sight from a LEVEL is made.

32.

How many meridians are used in surveying?(a) 6(b) 8(c) 3(d) 5This question was posed to me in homework.My doubt stems from Compass Surveying in division Basic Surveying of Basic Civil Engineering

Answer»

Correct choice is (C) 3

The best I can explain: TRUE, MAGNETIC and arbitrary meridians are used. True meridian passes through true North and SOUTH. Magnetic meridian passes through magnetic North and South. Arbitrary meridian is used for rough purposes.

33.

Abney level is a type of hand level.(a) True(b) FalseI got this question during an interview.I would like to ask this question from Equipments Used in Levelling in chapter Basic Surveying of Basic Civil Engineering

Answer»

Right option is (a) True

For explanation I would say: Hand LEVEL is a hand HELD INSTRUMENT. Abney level is one of these. It includes a clinometer to measure VERTICAL angles.

34.

Which of the below is not an advantage of PT survey?(a) Used for accurate works(b) Less costly(c) Field book is not required(d) Rapid methodThis question was addressed to me by my school principal while I was bunking the class.The doubt is from Plane Table Surveying topic in division Basic Surveying of Basic Civil Engineering

Answer»

The CORRECT choice is (a) Used for ACCURATE works

For explanation I would SAY: It is used only to locate a certain local OBJECT. It doesn’t give accurate RESULTS and can’t be used for high precision works.

35.

Plane table is made of:(a) Metal(b) Rubber(c) Wood(d) PlasticI have been asked this question in an online interview.The query is from Plane Table Surveying topic in division Basic Surveying of Basic Civil Engineering

Answer»

The correct choice is (C) Wood

The best explanation: Plane table is a well-seasoned wooden PIECE. It is polished and a smooth surface is given on top. The MIDDLE BOTTOM portion is threaded to ATTACH a tripod.

36.

Which of the below is not an application of total station?(a) Crime scene investigation(b) Furniture manufacture(c) Mining(d) ArchaeologyI got this question by my college director while I was bunking the class.I want to ask this question from EDM topic in section Basic Surveying of Basic Civil Engineering

Answer»

Right CHOICE is (b) Furniture manufacture

The explanation: Total station can be used to reconstruct the crime scenes, in MINING to LOCATE tunnels and mines and in ARCHAEOLOGY to record EXCAVATIONS. It is not used in the manufacture of furniture.

37.

Which of the below methods is used for interpolating contour points between 2 points?(a) Arithmetic calculation(b) Using measuring tapes(c) Taking pictures of area(d) Using a theodoliteThe question was posed to me by my school principal while I was bunking the class.My question is based upon Contouring topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Right option is (a) Arithmetic CALCULATION

The explanation: There are 3 different ways to INTERPOLATE contour points between 2 points; arithmetic calculation, estimation and graphical or mechanical METHOD.

38.

Indirect methods uses how many methods?(a) 3(b) 4(c) 2(d) 6This question was addressed to me during an online interview.This intriguing question originated from Contouring in division Basic Surveying of Basic Civil Engineering

Answer» RIGHT answer is (a) 3

Explanation: The THREE methods are: METHOD of a square (area divided into squares and grid point taken), method of cross-section (cross sectional points taken) and tacheometric method (adopted for very steep HILLS).
39.

Contour Maps are not mandatory in civil engineering projects like road works, dams, canals,(a) etc.(b) True(c) FalseThe question was asked during an interview.This is a very interesting question from Contouring topic in division Basic Surveying of Basic Civil Engineering

Answer»

The CORRECT choice is (b) True

Explanation: To identify a suitable site for these PROJECTS, to study the NATURE of ground and slopes and to make an estimate for earth WORK, a contour map of that region is required.

40.

How many methods are used in levelling?(a) 3(b) 2(c) 4(d) 5I got this question in class test.Enquiry is from Methods of Levelling in portion Basic Surveying of Basic Civil Engineering

Answer»

Correct choice is (b) 2

The EXPLANATION: The 2 methods are the height of instrument method and RISE and fall method. These are USED to EVALUATE heights of VARIOUS points.

41.

Which of the below cannot be used to measure vertical heights?(a) Self level(b) Aneroid barometer(c) Transit(d) HypsometerI got this question in unit test.I would like to ask this question from Equipments Used in Levelling in chapter Basic Surveying of Basic Civil Engineering

Answer» CORRECT answer is (c) Transit

The best explanation: Vertical MEASUREMENT can be APPROXIMATELY TAKEN using barometer and hypsometer. These determine pressure difference at 2 elevations and results can be concluded from these.
42.

The term Gore is used to indicate:(a) Rectangular land(b) Perimeter of a land(c) Thin triangular land(d) A measure of distanceI got this question during an interview.The question is from Basic Surveying Terms topic in division Basic Surveying of Basic Civil Engineering

Answer»

Right CHOICE is (C) Thin triangular land

The explanation: Gore is a thin triangular PIECE of land. Metes and bounds are used to describe the perimeter of the parcel of land. METE is a measurement of DISTANCE.

43.

The bubble in a total station is centralised using:(a) Tripod(b) Levelling screw(c) Tangent screw(d) Foot screwThe question was posed to me in a job interview.My question is taken from EDM topic in section Basic Surveying of Basic Civil Engineering

Answer» RIGHT OPTION is (a) TRIPOD

Best explanation: Total STATION is affixed on to the tripod. The legs of the tripod are extended/contracted one by one till the bubble is centralised.
44.

Which instrument is used in trigonometric levelling?(a) Wye level(b) Compass(c) Theodolite(d) Dumpy levelThis question was posed to me in homework.My enquiry is from Methods of Levelling topic in section Basic Surveying of Basic Civil Engineering

Answer» RIGHT answer is (c) THEODOLITE

The best EXPLANATION: Trigonometric LEVELLING involves measurements that are angular and HENCE requires an angle measuring instrument, like theodolite.
45.

The last reading taken from the instrument is called:(a) End sight(b) Free sight(c) Fore sight(d) Back sightThe question was posed to me by my school teacher while I was bunking the class.I'm obligated to ask this question of Methods of Levelling in chapter Basic Surveying of Basic Civil Engineering

Answer»

Correct option is (c) Fore sight

Easy explanation: Fore sight (FS) is noted as last reading and BACK sight (BS) is noted as first reading TAKEN from the instrument. Any intermediate points are noted down as intermediate sight (IS).

46.

In the method of an intersection, only one linear measurement is made.(a) True(b) FalseThis question was addressed to me during an online exam.Origin of the question is Plane Table Surveying topic in chapter Basic Surveying of Basic Civil Engineering

Answer» RIGHT choice is (a) True

Easy EXPLANATION: Only one linear measurement is made in the INTERSECTION method. Base line is the line showing distance between two instrument stations. This method is also called GRAPHICAL triangulation.
47.

How many types of variations in declination are there?(a) 4(b) 5(c) 2(d) 3I have been asked this question by my college director while I was bunking the class.Question is from Compass Surveying topic in portion Basic Surveying of Basic Civil Engineering

Answer»

Right OPTION is (a) 4

To ELABORATE: The four types are DIURNAL (daily), ANNUAL (yearly), secular (PERIODIC) and irregular variations.

48.

In how many ways can ranging be carried out?(a) 2(b) 3(c) 4(d) 5The question was posed to me in homework.My query is from Chain Surveying in division Basic Surveying of Basic Civil Engineering

Answer»

The CORRECT option is (a) 2

Easiest explanation: RANGING is of 2 TYPES – direct and indirect. Direct ranging is done using a LINE ranger or naked eye. Indirect ranging is done when starting and ending points are not visible.

49.

The process of a location of intermediate points on a survey line is:(a) Aligning(b) Extending(c) Ranging(d) OffsettingI got this question during a job interview.Asked question is from Chain Surveying topic in division Basic Surveying of Basic Civil Engineering

Answer»

Correct answer is (c) Ranging

To explain: Ranging is used to locate intermediate POINTS. They are MARKED using ranging RODS. It is done when a survey LINE is very long and marks are REQUIRED to distinguish the line.

50.

How many types of EDM are there based on the reflector type?(a) 3(b) 5(c) 4(d) 2I got this question in a national level competition.My question is based upon EDM topic in chapter Basic Surveying of Basic Civil Engineering

Answer»

Right answer is (a) 3

Explanation: The 3 types are active, PASSIVE and no REFLECTOR. In active TYPE, power is required to OPERATE reflectors. In passive type, a prism reflector is used.