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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.

51.

The functionality areas of CAD application can be grouped into __________ categories.(a) 2(b) 3(c) 4(d) 5This question was posed to me in an interview.This question is from Computer-Aided Design topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»
52.

How many types of impact assessments are there?(a) 5(b) 4(c) 3(d) 6The question was posed to me during an online exam.The query is from Impact Assessment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct CHOICE is (b) 4

To elaborate: The four key types are global ASSESSMENTS, policy IMPACT assessment, strategic environmental assessment and environmental impact assessment.

53.

EIAs commenced in the year:(a) 1960s(b) 1890s(c) 1880s(d) 1950sI have been asked this question during an internship interview.My query is from Impact Assessment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The CORRECT ANSWER is (a) 1960s

Best explanation: In 1960s, when environmental DEPLETION was on a HIKE, to create AWARENESS and check the environmental deterioration, EIAs were formulated.

54.

_________ is a temporary dam constructed to exclude water from a specific area.(a) Debris dam(b) Diversion dam(c) Coffer dam(d) Storage damThe question was posed to me by my college director while I was bunking the class.Origin of the question is Dams in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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The CORRECT option is (c) COFFER dam

To elaborate: Coffer dam is CONSTRUCTED on the upstream SIDE of the site where a dam is to be constructed, so that site is dry.

55.

Which of the below is the earliest known dam?(a) Sadd-el-Kafara dam(b) Dam of Marib(c) Jawa Dam(d) Ha-ilar DamThis question was addressed to me by my school teacher while I was bunking the class.Question is taken from Dams topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right ANSWER is (c) Jawa Dam

For explanation I would SAY: Jawa Dam is in Jordan. It is 100 kms NORTHEAST of capital Amman.It is a gravity dam with stone WALL. It is dated to 3000 BC.

56.

Portion of dam in contact with ground at downstream side is __________(a) Crest(b) Toe(c) Foot(d) HeelThis question was posed to me by my school teacher while I was bunking the class.This interesting question is from Dams in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

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The CORRECT choice is (d) Heel

The explanation is: Toe is the position of a dam in contact with the GROUND at the upstream SIDE. CREST is top of dam. There is no part CALLED a foot.

57.

Noise map is an excellent tool for urban planning.(a) True(b) FalseI had been asked this question during an interview.The above asked question is from Urban Engineering in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right OPTION is (a) True

The best explanation: These maps HELP to quantify the NOISE of a region and evaluate the population exposed to it. They help to create a database for the planning of zones accordingly (noisy activities/sensible, etc) and to predict the impact of noise in the predicted urban infrastructure.

58.

________ is the standard shape of a weir.(a) Rectangular(b) Triangular(c) Square(d) TrapezoidalThe question was posed to me in an internship interview.My question comes from Weirs in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct ANSWER is (a) Rectangular

For explanation I would SAY: Rectangular is the standard shape of a weir. Triangular and trapezoidal weirs are MODIFICATIONS of it. They are generally SUITABLE for larger flowing channels.

59.

How many number of source types of noise are there?(a) 4(b) 3(c) 2(d) 1The question was asked during an interview.This question is from Urban Engineering in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct choice is (B) 3

Explanation: There are 3 sources type NOISE propagation.They are point source (loudspeakers, vehicles, industrial equipment, etc.), line source (ROAD, railways, etc) and area source (parking lot, functions, OPENING of tunnels, etc).

60.

The default grid spacing in both X and Y directions is:(a) 10(b) 20(c) 5(d) 15The question was posed to me in exam.The question is from AutoCAD in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right ANSWER is (a) 10

Best explanation: The spacing in each grid is 10 in both direction. It can be altered by right CLICKING on the grid BUTTON at the bottom of the screen. A grid SETTINGS dialogue box will appear and changes can be made.

61.

_________ weir comprises several designs into one structure.(a) All-in-one(b) Open(c) Mixed(d) CompoundThe question was asked in an interview.I need to ask this question from Weirs in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

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The CORRECT choice is (d) Compound

The explanation: Compound weirs are commonly SEEN in locations where a river has multiple users who MAY need to bypass the structure. Common DESIGN includes a broad-crested weir.

62.

The overflowing sheet of water is called:(a) Head(b) Nappe(c) Upstream(d) CrestThe question was posed to me in an online quiz.I'm obligated to ask this question of Weirs in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct ANSWER is (b) Nappe

The explanation: Nappe represents the OVERFLOWING sheet of water. If it DISCHARGES into air, it is free discharge. If discharge is partly under water, it is submerged/drowned discharge.

63.

Tube wells are not used in:(a) UP(b) Haryana(c) Gujarat(d) RajasthanThis question was posed to me at a job interview.My doubt stems from Types of Irrigation topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» CORRECT option is (d) Rajasthan

The best I can explain: In Rajasthan and MAHARASHTRA artesian wells are used. Tube WELL can be installed near agricultural land. A DEEP tube well, worked by electricity can irrigate a large area.
64.

Which is the latest version of AutoCAD software?(a) 2016(b) 2017(c) 2018(d) 2019I had been asked this question in homework.This question is from AutoCAD in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right OPTION is (C) 2018

Best explanation: AutoCAD 2018 is the latest version. It has improved save performance, improved 2D Graphics, 3D navigation performance, AutoCAD mobile app and UPDATED DWG file format.

65.

The colour on CRT screen is obtained by the combination of:(a) Red, yellow, blue(b) Red, green, blue(c) Green, black, yellow(d) Red, black, yellowThe question was posed to me in an online quiz.The above asked question is from Computer-Aided Design in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct choice is (b) Red, green, blue

The EXPLANATION: The three primary COLOUR red, green and blue are combined to produce variety of COLOURS.Colour CRT uses ELECTRON beams of these triad colours on phosphor screen to display objects.

66.

The computer communicates with the user via:(a) CPU(b) CRT(c) Graphics(d) Display buttonThis question was addressed to me in a national level competition.My question comes from Computer-Aided Design in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right choice is (b) CRT

For explanation I would say: Cathode Ray TUBE (CRT) screen GIVES the USER the DESIGN created as an image. It is done by entering commands to get specific FUNCTIONS performed.

67.

Environmental impacts can of _________ types(a) 3(b) 5(c) 4(d) 2I had been asked this question in examination.The origin of the question is Impact Assessment in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» CORRECT CHOICE is (d) 2

Explanation: They may be primary or DIRECT and secondary or indirect.The primary impacts are the first round impacts like pollution, displacement of people, etc.The ones that EXTEND from these are secondary impacts.
68.

Weirs can be used to power water wheels and power sawmills.(a) True(b) FalseThis question was posed to me in semester exam.I'd like to ask this question from Weirs in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» CORRECT option is (a) True

Explanation: Mill ponds are created by a weir. It IMPOUNDS WATER and then it FLOWS over the structure. The energy created by this CHANGE in height of the water is used to power watermills and sawmills.
69.

Sub-irrigation is used in areas with:(a) Low water table(b) High water table(c) Sloping terrain(d) Flat terrainThe question was asked during an interview for a job.My doubt is from Types of Irrigation in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT answer is (b) High water table

The explanation is: Sub-irrigation is a METHOD of artificially RAISING water table to allow the soil to be moistened from below PLANT’s root zone. It is also used in COMMERCIAL greenhouse production.
70.

The field water efficiency of trickle irrigation is:(a) 50-55%(b) 55-85%(c) 80-90%(d) 60-70%The question was asked at a job interview.This is a very interesting question from Types of Irrigation topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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The CORRECT answer is (C) 80-90%

The best EXPLANATION: Drip irrigation is also called trickle irrigation. If this system is managed correctly, the field water EFFICIENCY can be as high as 80-90%.

71.

Spate irrigation is a special form of irrigation using surface water.(a) True(b) FalseThe question was posed to me at a job interview.This interesting question is from Types of Irrigation topic in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct option is (a) True

Easy explanation: It is also called FLOOD water harvesting. In this CASE, water is diverted to normally dry river beds USING a NETWORK of dams, GATES and channels and are spread over large areas.

72.

Tank water irrigation system is common in:(a) Madhya Pradesh(b) Uttar Pradesh(c) Himachal Pradesh(d) Andhra PradeshI had been asked this question by my college professor while I was bunking the class.My doubt stems from Types of Irrigation in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct choice is (d) Andhra Pradesh

For explanation I would SAY: In Southern states of Andhra Pradesh, Karnataka, Tamil Nadu; rain water harvesting and storage of water is DONE USING tanks. The water is then fed to fields VIA a canal.

73.

Urbanisation and occupation of river banks and flood plains lead to:(a) Periodic exposure to inundation(b) Greater flow velocity(c) High run off(d) Increased soil erosionThe question was posed to me during an online interview.This intriguing question comes from Urban Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct answer is (a) Periodic exposure to inundation

Easiest EXPLANATION: The population of town on river banks are PERIODICALLY EXPOSED to inundation from the rivers. Then slowly these extensions increase as there is less SPACE for water to flow. Removal of natural vegetation leads to the other 3 OPTIONS.

74.

___________ can provide a 3-5 dB reduction in tyre-pavement noise emissions.(a) Asphalt(b) Bituminous(c) Rubberised asphalt(d) ConcreteThe question was posed to me in quiz.My question is taken from Highway Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right answer is (c) Rubberised ASPHALT

Explanation: COMPARED to other options, rubberised asphalt GIVE a 3-5 dB reduction in the NOISE PRODUCED by tyre-pavement interaction.

75.

Elevation of airport site above MSL is a factor that controls airport size.(a) True(b) FalseI had been asked this question in homework.The origin of the question is Airport Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct answer is (a) True

For explanation I would say: It is one of the factors. As the elevation increases, the METEOROLOGICAL conditions LIKE AIR pressure and density reduces. As a result, bigger size of facilities has to be provided.

76.

There are __________ ways to treat waste thermally.(a) 5(b) 3(c) 2(d) 6I had been asked this question in a national level competition.Query is from Solid Waste Management topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right CHOICE is (b) 3

To elaborate: The PROCESS which use heat to treat the waste are referred to as a thermal TREATMENT. These include incineration (combustion of waste & recover energy for electricity/heating), pyrolysis (decomposition of organic waste with low oxygen and high temperature), and open BURNING (environmentally HARMFUL and mostly practical).

77.

A soil generally consists of combination of __________ separates.(a) 2(b) 3(c) 4(d) 5This question was addressed to me in an international level competition.Asked question is from Soil Properties topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct answer is (b) 3

To elaborate: The mineral components of soil are termed as SEPARATES. These are three of them – CLAY, silt and sand. Various SOILS are designated based on the PROPORTION of separates.

78.

On how many conditions does the intervention of wastewater depend on?(a) 5(b) 7(c) 6(d) 4I had been asked this question in a national level competition.My query is from Wastewater Management topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct ANSWER is (b) 7

To elaborate: The seven FACTORS are ground CONDITIONS, ground water level, location and type of water SOURCE, topography, quantity and quality of wastewater produced, climatic, socio-cultural factors.

79.

Which of the below does not affect the site-selection of an airport site?(a) Adequate access(b) Air traffic potential(c) Sufficient airspace(d) Number of ground staffThe question was posed to me during an interview.The doubt is from Airport Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct OPTION is (d) NUMBER of ground staff

The explanation is: The other 3 options are the specific aspects on which the SITE-selection is DEPENDENT. The site should be accessible by people easily from different locations, there should be potential for AIR traffic – flight or passenger and sufficient airspace for airports without obstruction. The ground staff is considered depending on the size of airport.

80.

The alignment of breakwater should be:(a) Horizontal(b) Straight(c) Perpendicular(d) DiagonalI had been asked this question by my college director while I was bunking the class.The question is from Port and Harbour Engineering topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right option is (b) Straight

The explanation is: Breakwater is a protection barrier constructed to protect the harbour from the effect of SEA waves. Its alignment should be straight with an intersection ANGLE within 60o & SOMETIMES curved in the open sea to REDUCE the effect of waves.

81.

The first passenger train was introduced in India in:(a) 1851(b) 1853(c) 1835(d) 1815This question was addressed to me in an internship interview.Origin of the question is Railway Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct choice is (b) 1853

Explanation: The FIRST passenger train in India started in 1853 with around 400 PASSENGERS, 3 COACHES between Boribundar and Thane.

82.

In car – centred approach, ___________ has been considered.(a) Importance of transport(b) Managing existing roads for future traffic(c) Controlling demand for transportation(d) Future increase in traffic demandThe question was posed to me during an online exam.My query is from Highway Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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Right choice is (d) FUTURE increase in traffic demand

The best explanation: There are four STRATEGIES for highway planning. In car-centred approach, the CONSIDERATIONS for future increase in traffic demand are taken care of. They are used in most LARGE cities.

83.

In oven drying method for determination of water content, temperature maintained is:(a) 100-105^oC(b) 150-160^oC(c) 105-110^oC(d) 110-120^oCThis question was addressed to me in final exam.My question is based upon Soil Properties in division Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct option is (C) 105-110^oC

The BEST explanation: An optimum and constant temperature of 105-110^oC is to be maintained in the oven. The specimen is kept for about 24 HOURS to ensure proper DRYING.

84.

According to Darcy’s Law:(a) q=iA(b) q=kA(c) q∞iA(d) q∞kAThe question was asked in final exam.This interesting question is from Geotechnical Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct CHOICE is (c) q∞iA

Explanation: Darcy’s Law states that the rate of FLOW per unit TIME is proportional to a hydraulic GRADIENT. q∞iA is the mathematical representation of the law.

85.

Biodiversity can be broadly classified into how many types?(a) 2(b) 5(c) 3(d) 4I had been asked this question in final exam.My doubt stems from Biodiversity and Ecology topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

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Correct CHOICE is (c) 3

The EXPLANATION: The three types are species DIVERSITY (number of the different species found in LOCATION), GENETIC diversity (genetic variations within a species) and Ecological diversity (variations in the ecosystems of regions).

86.

Carbon can be stored in organic matter in the form of:(a) Biomass(b) Biofuel(c) Bioenergy(d) Bio carbonI have been asked this question at a job interview.Question is from Sustainable Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

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The correct CHOICE is (a) Biomass

Easiest explanation: It is stored in the roots of trees and organic matter for decades in the FORM of biomass. The carbon from these are released into the ATMOSPHERE on DECOMPOSITION.

87.

In Aquatic ecosystems, carbon is stored in:(a) Marine Plants(b) Marine animals(c) Rocks and sediments(d) Sea waterI got this question in class test.My question is based upon Various Cycles of Environment in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct OPTION is (c) Rocks and sediments

Best EXPLANATION: CO2 is stored in rocks and sediments in AQUATIC ecosystems. These are released into the ATMOSPHERE by weathering of the rocks.

88.

Which of the below leads to disturbance of nitrogen fixation in the soil?(a) Urban waste(b) Fertilizers(c) Pesticides(d) Industrial effluentsI had been asked this question in a job interview.Enquiry is from Environmental Engineering in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right option is (b) Fertilizers

Easiest explanation: Use of EXCESS fertilizers destroys the microbial plant LIFE in the soil. It leads to disturbance of NITROGEN fixation, which is an ESSENTIAL process in soil.

89.

To test turbidity of polluted water in the field, _________ is used.(a) Baylis Turbidimeter(b) Jackson Turbidimeter(c) Turbidity tube(d) Turbidity rodThis question was addressed to me at a job interview.My doubt is from Environmental Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right CHOICE is (d) TURBIDITY rod

Explanation: The first THREE OPTIONS are used to test turbidity in the lab. The turbidity rod is a graduated aluminium rod.

90.

The living environment, the biosphere consists of __________ components.(a) 2(b) 4(c) 1(d) 3This question was posed to me at a job interview.This intriguing question comes from Environmental Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct ANSWER is (d) 3

To elaborate: The biosphere consists of 3 COMPONENTS – land (lithosphere), water (hydrosphere) and AIR (atmosphere).They are all necessary for life to sustain on EARTH.

91.

The land supply for urban expansion can be determined by:(a) TLA – (PCA+BU)(b) PCA – (TLA+BU)(c) BU – (PCA+TLA)(d) BU – (TLA-PCA)The question was asked in a national level competition.I want to ask this question from Urban Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (a) TLA – (PCA+BU)

To elaborate: The TOTAL LAND area of a city (TLA) which is available for EXPANSION is found out by deducting the total area of protected/conservation areas (PCA) and the existing built-up areas (BU). All these are taken in HECTARES.

92.

In Geotechnical Engineering, soil is considered as a _________ phase material.(a) 3(b) 2(c) 1(d) 4I had been asked this question during an interview.I want to ask this question from Geotechnical Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct choice is (a) 3

Explanation: Soil is a 3 phase MATERIAL. It consists of solids, water and air VOIDS. It is represented in a 3 phase diagram with volume on left SIDE and mass on the right side.

93.

NDT is not employed in geotechnical investigations.(a) True(b) FalseThis question was posed to me during an online interview.My question is based upon Geotechnical Investigation and Geosynthetics in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct option is (b) False

Easy explanation: NDT is non-destructive TECHNIQUE and is a MODERN tool for GEOTECHNICAL investigation.A ground PENETRATING radar which utilizes radar pulses for subsurface imaging is used.

94.

Which of the below is a global scale environmental issue?(a) Eutrophication(b) Regional ozone(c) Climate change(d) PollutionThis question was posed to me in an online quiz.My query is from Sustainable Engineering topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct option is (c) Climate CHANGE

The EXPLANATION is: These are three scales of environmental issues – LOCAL, regional and global.Climate change, global warming, STRATOSPHERIC ozone less, etc. are all issues at a global level.

95.

Which gas produced in open dumps from the decomposition of biodegradable waste?(a) Ethane(b) Methane(c) Propene(d) EtheneI have been asked this question in an online interview.My question is based upon Solid Waste Management in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The CORRECT choice is (B) Methane

Easy explanation: Methane is released by the decomposition under ANAEROBIC CONDITIONS. This can CAUSE fires and explosions and promote global warming too.

96.

How many major sources of solid waste are there based on their origin?(a) 10(b) 5(c) 9(d) 6This question was addressed to me during an online interview.This is a very interesting question from Solid Waste Management in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (c) 9

The best I can explain: There are broadly 9 sources of SOLID waste. They are residential, industrial, commercial, institutional, construction & demolition AREAS, municipal services, treatment plants, agriculture and biomedical.

97.

Which of the following causes stresses in Sleepers?(a) Eccentric vertical loads(b) Contact shear stress of wheel and rail(c) Lateral deflection of sleepers(d) Track componentsThis question was posed to me in semester exam.My doubt is from Railway Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct answer is (d) Track components

The explanation: The track components like the track modulus, the stiffness of rail, design of the sleeper, sleeper density (number of SLEEPERS PROVIDED) and their load BEARING capacity are factors which cause stresses in sleepers. The other 3 options are responsible for stresses in rails.

98.

___________ is the largest group of geosynthetics.(a) Geonets(b) Geomembranes(c) Geotextiles(d) GeogridsThe question was asked in unit test.The origin of the question is Geotechnical Investigation and Geosynthetics in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT answer is (b) Geomembranes

To explain I would say: Geomembranes are thin SHEETS of polymeric material and are impermeable. They are widely used for linings and COVERINGS of LIQUID or solid storage facilities.
99.

The average composition of Municipal solid waste is:(a) 41% organic, 40% inert & 19% recyclable(b) 20% organic, 60% inert & 20% recyclable(c) 30% organic, 20% inert & 50% recyclable(d) 19% organic, 41% inert & 40% recyclableI have been asked this question during an online exam.The origin of the question is Solid Waste Management in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct ANSWER is (a) 41% organic, 40% inert & 19% recyclable

Explanation: The bulk of organic WASTE arrives from households and agriculture. The inert waste is generated from construction SITES, DEMOLITIONS, PUBLIC places, etc.

100.

Percentage air voids is denoted as:(a) v(b) na(c) s(d) avThis question was addressed to me in an interview for job.I want to ask this question from Geotechnical Engineering in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct answer is (B) na

The best explanation: PERCENTAGE AIR voids is the RATIO of VOLUME of air in voids to total volume of soil. It is denoted by na and expressed as a %.