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.

101.

The area of National Parks range between:(a) 0.61 to 7818 kms(b) 0.04 to 3162 kms(c) 0.14 to 3612 kms(d) 0.16 to 8718 kmsThis question was addressed to me in final exam.My doubt is from Biodiversity and Ecology topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right answer is (b) 0.04 to 3162 KMS

To elaborate: NATIONAL PARKS are small reserves maintained by the Government for the protection of wildlife and their habitat. 0.61 to 7818 kms is the RANGE for SANCTUARIES.

102.

Which of the below is not an idea behind solid waste management?(a) Control of waste generation(b) Storage and collection(c) Disposal(d) Stop waste generationThis question was addressed to me in semester exam.This interesting question is from Solid Waste Management topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct OPTION is (d) Stop waste generation

The explanation is: The generation of SOLID waste cannot be stopped. The idea behind solid waste management is to reduce and ELIMINATE the adverse effects of these on the environment and human HEALTH.

103.

_________ is a raw material sent to and processed in a waste recycling plant.(a) Recyclant(b) Nodules(c) Particulars(d) RecyclateThe question was asked in unit test.The doubt is from Environmental Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT CHOICE is (d) Recyclate

Easiest explanation: It is used to FORM new products. For example, plastic bottles can be a recyclate. It is COLLECTED and processed to manufacture new ones.
104.

The marine structure located alongside or at the entrance of a pier or a wharf is:(a) Pier heads(b) Dolphins(c) Breakwater(d) FendersI got this question in a national level competition.My query is from Port and Harbour Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT ANSWER is (b) Dolphins

The best I can explain: These STRUCTURES provide mooring facilities for ships, absorb impact force and SHORTEN the length of a pier or a wharf.
105.

CPT is a more popular method compared to SPT as a method of geotechnical soil investigation.(a) True(b) FalseThis question was addressed to me in an international level competition.The query is from Geotechnical Investigation and Geosynthetics topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right ANSWER is (a) True

To explain: CPT is CONE penetration test and SPT is standard penetration test. CPT is more popular than SPT because of higher ACCURACY, SPEED, more continuous soil profile and less cost.

106.

How many types of pores are present in a soil mass?(a) 6(b) 3(c) 5(d) 4This question was addressed to me by my college professor while I was bunking the class.My doubt is from Soil Properties in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct choice is (C) 5

To explain I would say: The five types are macropore (too large, >75μm), mesopore (30-75μm), micropore (5-30μm), ultramicropore (0.1-30μm) and cryptopore (SMALLEST, < 0.1 μm).

107.

Soil with higher Ic (consistency index) is a better foundation material.(a) True(b) FalseThe question was posed to me during an internship interview.Enquiry is from Soil Properties topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right option is (a) True

To explain I would say: If two soils are to be compared, based on Ic, then higher value one is better foundation material. If Ic < 0, natural water content < LIQUID limit and soil would behave LIKE liquid. This is not a desired PROPERTY for foundation material.

108.

How many different forms of precipitation are there?(a) 4(b) 5(c) 6(d) 7This question was posed to me in examination.My doubt is from Various Cycles of Environment in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (c) 6

The explanation: The different forms of PRECIPITATION are rain (water drops with DIAMETER at least 0.5mm), snow (ice crystals/flakes with an average density of 0.1g/cm^3), DRIZZLE (water drops less than 0.5mm), glaze (rain touches GROUND at 0^oC), sleet (frozen raindrops) and hail (pellets or LUMPS of ice of >8mm size).

109.

The carbon cycle is based on what?(a) CO(b) CO2(c) C6H12O6(d) CO3This question was posed to me in semester exam.I want to ask this question from Various Cycles of Environment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right answer is (b) CO2

Best explanation: This cycle is based on movement of CO2 is the ECOSYSTEM. It is found in gaseous form in AIR and dissolved form in water.

110.

For a gold LEED certification, how many points are required?(a) 40-49(b) 60-79(c) 50-59(d) 80-110I had been asked this question at a job interview.The origin of the question is Sustainable Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (b) 60-79

The best explanation: LEED is Leadership in Energy and Environmental DESIGN. It has four levels – certified (40-49 points), SILVER (50-59), gold (60-79) and PLATINUM (80-110 points).

111.

A legally binding agreement between 2 or more nation states relating to environment is:(a) BEA(b) BA(c) MA(d) MEAThis question was posed to me in an interview for job.This question is from Sustainable Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right answer is (d) MEA

The explanation: MEA stand for Multilateral ENVIRONMENTAL AGREEMENT. When it is between 2 NATION states, it is BEA – BILATERAL Environmental Agreement. These are predominantly produced by the United Nations.

112.

The WHO has classified the bio-medical waste into ___________ categories.(a) 5(b) 4(c) 3(d) 2This question was addressed to me during an interview.This question is from Solid Waste Management in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (b) 4

The explanation: The WHO has classified these into 4 categories- infectious (waste from surgeries and any material CONTAINING pathogens), PATHOLOGICAL (tissues/organs/drugs, etc which are not required), radioactive (CONTAMINATED with a radioactive substance) and others (waste from hospital housekeeping/kitchen).

113.

Which one of the below is not an attribute of drinking water?(a) Aesthetics(b) Economic(c) Safety(d) SourceI had been asked this question by my school principal while I was bunking the class.The above asked question is from Wastewater Management topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» CORRECT answer is (d) Source

The explanation is: Aesthetics refers that the water should be COLOURLESS, ODOURLESS and PLEASING to taste. Safety means it should be free from any chemicals or pathogens. And it should be economic for everyone.
114.

Refuse may be of _________ types.(a) 2(b) 3(c) 4(d) 5This question was posed to me during an internship interview.The doubt is from Environmental Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct OPTION is (a) 2

To explain I would say: The rejected materials which are collected in dustbins and the foul discharges that are carried by underground DRAINS are termed as refuse. It may be dry refuse (grass, PAPER, cloth, VEGETABLE peels) or wet refuse (urinals, KITCHEN discharges).

115.

____________ index is used to find settlement of soil.(a) Compression(b) Expansion(c) Recompression(d) ReloadingI got this question by my school teacher while I was bunking the class.My enquiry is from Geotechnical Engineering in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right option is (a) Compression

Explanation: A plot is MADE between void RATIO (e) and log effective STRESS (logσ).It shows different curves CORRESPONDING to loading, UNLOADING and reloading of soil. Compression index Cc= ^– ∆e⁄∆logσ

116.

The major source of Nitrogen deposition is:(a) Fertilizers(b) Deforestation(c) Factories(d) Household wasteI got this question in quiz.My question is based upon Various Cycles of Environment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» CORRECT answer is (a) Fertilizers

For explanation: Nitrogen rich fertilizers are often overused. As a result, nitrogen gets into the soil, FAVOURING GROWTH of weeds. It is also WASHED into waterways, where again it causes a growth of aquatic weeds.
117.

One of the major objectives of water treatment plants is the removal of turbidity.(a) True(b) FalseI have been asked this question at a job interview.I'd like to ask this question from Wastewater Management topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right answer is (a) True

The best I can explain: Turbidity is the PRESENCE of solid particles in water. The removal of it REMOVES the colour, taste, odour producing components and makes water PLEASANT and SAFE to drink.

118.

The solid parallel platform in a harbour with berthing facility on one side only is:(a) Pier(b) Quay(c) Wharf(d) JettyI have been asked this question during an interview.This intriguing question originated from Port and Harbour Engineering in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The CORRECT option is (c) Wharf

The explanation: A pier is the platform PARALLEL to the shore with berthing possible on both sides, a QUAY PROVIDES berthing on one side and retains earth on other side. A jetty is a platform that is perpendicular to shoreline.

119.

The mountain alignment can be classified into _________ types.(a) 4(b) 3(c) 2(d) 1I have been asked this question in homework.My doubt stems from Railway Engineering topic in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct choice is (C) 2

To explain I would SAY: They are the zig-zag development and the switch back development. In the zig-zag developments, the alignments try to follow the contours of the region to an extent. In the switch back, certain contours like STEEP slopes have to be negotiated and may use BUFFER stops.

120.

The structure of a geocell is:(a) 2D honeycombed(b) 2D floccular(c) 3D floccular(d) 3D honeycombedThe question was posed to me in final exam.My enquiry is from Geotechnical Investigation and Geosynthetics in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (d) 3D HONEYCOMBED

The EXPLANATION is: Geocell is also called a CELLULAR confinement system. It has a 3D honeycombed structure, which is filled with compacted soil to make it a confinement system.

121.

How many tests in the lab can be performed to get permeability of soil?(a) 5(b) 4(c) 3(d) 2I have been asked this question in a national level competition.My question is taken from Soil Properties in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right choice is (d) 2

The BEST explanation: The two TESTS are constant head permeability TEST and VARIABLE head permeability test. The constant head permeability test is done for highly permeable soil and the other one for FINE grained soil.

122.

Fine particles are those particles with size less than _______ mm diameter.(a) 0.023(b) 0.090(c) 0.075(d) 4.75I got this question in an interview for internship.My question is taken from Geotechnical Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT choice is (C) 0.075

Easiest EXPLANATION: Fine particles should PASS through 75μ IS sieve. Fine particles include clay, silt and organic content in a soil mass.
123.

Who is the father of Geotechnical Engineering?(a) Christian Otto Mohr(b) Clausius Cleyperon(c) John Smith(d) Karl Von TerzaghiThis question was addressed to me in an interview.The question is from Geotechnical Engineering in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right option is (d) KARL Von Terzaghi

For explanation: He was an Austrian civil engineer and geologist. Most of the findings in GEOTECHNICAL ENGINEERING and soil PROPERTIES are done by him.

124.

Hot spot areas have:(a) Low density of biodiversity(b) Only endangered plants(c) High density of hot springs(d) High density of biodiversityThe question was posed to me during an internship interview.Enquiry is from Biodiversity and Ecology topic in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (d) HIGH density of biodiversity

To elaborate: There are areas with a high density of biodiversity, which are presently the most ENDANGERED. There are 16 hot SPOTS in the world and 2 in India: North East Himalayas with 3500 endemic SPECIES and the Western Ghats with 1600.

125.

Biodiversity has an aesthetic value to it.(a) True(b) FalseThe question was asked at a job interview.Query is from Biodiversity and Ecology in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right choice is (a) True

The explanation is: The natural BEAUTY of the earth has refreshing SIGHTS, taste and ODOURS. These add an aesthetic value; wide varieties of colours and fragrance of flowers, taste and colours of FRUITS,etc.

126.

A nutrient cycle is also called as __________(a) Atmospheric cycle(b) Atmospheric recycling(c) Ecological recycling(d) Ecological chainI have been asked this question during an internship interview.My doubt stems from Various Cycles of Environment in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT answer is (c) Ecological recycling

To explain: A nutrient CYCLE OCCURS within ecosystems and it is the movement of organic and inorganic matter between different members of the ecosystem. This is regulated by the FOOD chains that use these for production and RELEASE them into the atmosphere on decomposition.
127.

The term ‘Sullage’ refers to:(a) Fresh wastewater(b) Septic wastewater(c) Wastewater from kitchen, laundry(d) Toxic wastewaterThe question was posed to me by my college director while I was bunking the class.Query is from Wastewater Management topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct CHOICE is (c) Wastewater from kitchen, LAUNDRY

Explanation: The domestic wastewater generated from HOUSEHOLD laundry, preparation of food, cleaning of UTENSILS and personal WASHING is called sullage.

128.

The ferry designs are dependent on:(a) Aesthetics(b) Length of route(c) Country where it is used(d) Weather conditionsI have been asked this question in an interview.The above asked question is from Port and Harbour Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct choice is (B) Length of route

The EXPLANATION is: The ferry designs depend on factors like passenger capacity, speed, water conditions and length of route; ex- a double ended ferry USED in STATES Island, Washington, which has interchangeable sterns & bows to shuttle the route without turning around.

129.

There are __________ types of rail sections.(a) 2(b) 3(c) 4(d) 5The question was asked in an international level competition.The origin of the question is Railway Engineering topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right answer is (b) 3

To EXPLAIN I WOULD say: The three types of RAIL SECTIONS are Double Headed Rail (Shaped like a dumbbell), Bull Headed Rail (Head thicker/stronger than lower part) and Flat Footed Rail.

130.

The Railways has a _________ degree of freedom for its movement.(a) Single(b) Two(c) Three(d) FourThe question was posed to me in an international level competition.This question is from Railway Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right choice is (a) Single

To explain I would SAY: Degree of freedom REFERS to the number of directions in which a VEHICLE can move. Since trains have to RUN on the provided TRACKS, their movement is restricted to one direction only, compared to road transport which can move in x, y and z directions.

131.

Which of the below is a commercial element in highway construction?(a) Traffic(b) Installation technique(c) Environmental aspects(d) MaterialI have been asked this question during an online interview.This intriguing question originated from Highway Engineering in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT CHOICE is (C) Environmental aspects

Easy explanation: There are two elements in highway construction – technical and commercial. Technical elements include materials, their quality, traffic, INSTALLATION techniques whereas commercial elements include environmental aspects, public CONCERNS, legal aspects, political aspects, etc.
132.

Travel patterns are determined by compiling a profile of ___________ and ___________ of all journeys made within the area.(a) Origin, destination(b) Mode, destination(c) Origin, speed(d) Mode, speedI had been asked this question during an online exam.This interesting question is from Highway Engineering in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer» RIGHT answer is (a) Origin, destination

Best EXPLANATION: The origin and destination points are considered for TRAVEL patterns. It gives DETAILS about the place and exact pattern in which people move from place to place.
133.

In hydrogen cycle _________ is a sink used.(a) Ocean(b) Fossil fuels(c) Microbial soil uptake(d) Nitrogen fixationThis question was posed to me in a national level competition.The above asked question is from Various Cycles of Environment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct answer is (c) Microbial soil UPTAKE

For EXPLANATION I would SAY: There are mainly 2 sinks USED in hydrogen cycle – oxidation by hydroxyl radicals and microbial soil uptake. The rest of the options are sources.

134.

In the marine nitrogen cycle, _________ performs nitrogen fixation.(a) Cyanobacteria(b) Nitrobactor(c) Pseudomonas(d) DiazotrophsThe question was posed to me in an interview for internship.I would like to ask this question from Various Cycles of Environment topic in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right CHOICE is (a) Cyanobacteria

For explanation: Diazotrophs are used to perform nitrogen fixation in NORMAL nitrogen CYCLE. Nitrobactor is used for NITRIFICATION and Pseudomonas for denitrification.

135.

_________ is a programme run by UN related to sustainable development.(a) GHG indicator(b) Agenda 21(c) IPCC(d) UNEPI got this question during an interview.My question is from Sustainable Engineering in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct answer is (B) Agenda 21

Best explanation: Agenda 21 is a COMPREHENSIVE blueprint of action to be TAKEN globally, nationally and locally by governments of member nations of UN and those major groups in EVERY area in which humans impact on the environment.

136.

Disinfection of water in our country is mainly done by ____________(a) Oxygenation(b) Hydration(c) Chlorination(d) FiltrationI have been asked this question in quiz.My question is based upon Wastewater Management in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct answer is (C) Chlorination

Easiest explanation: Disinfection is the most inexpensive way of killing the microorganisms present in the WATER. The water is chlorinated and some residual CHLORINE of 0.5mg/litre is LEFT so that contamination in the distribution SYSTEM is taken care of.

137.

Carbon footprint can be measured by:(a) Carbon dating(b) Instruments(c) Carbon accounting(d) FormulaI got this question in class test.Question is taken from Sustainable Engineering in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct CHOICE is (c) Carbon accounting

Explanation: Carbon footprint is the total SET of greenhouse gas emissions caused by an individual, EVENT, organisation or product. It is expressed as carbon dioxide equivalent.It can be measured by assessment of GHG (greenhouse gas) levels or ACTIVITIES like carbon accounting.

138.

The extent of water treatment depends on how many factors?(a) 5(b) 2(c) 3(d) 4This question was addressed to me during an interview.Question is taken from Wastewater Management topic in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct ANSWER is (b) 2

Easiest explanation: The EXTENT of treatment depends on 2 factors- the QUALITY of water (depends on the source) and the beneficial uses (high quality for domestic, production sector, low quality for housekeeping, a germ FREE for RECREATIONAL and for agricultural purposes having low TDS, Na ratio, etc.).

139.

_________ is the simplest equipment used for collection of solid particulates.(a) Inertial separators(b) Filters(c) Settling chamber(d) CyclonesThis question was posed to me in class test.My question is from Environmental Engineering in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct choice is (c) Settling chamber

The best I can explain: It CONSISTS of a chamber in which the VELOCITY of CARRIER gas is reduced in order to allow particulates to settle out of MOVING stream under the action of gravity.

140.

A prime coat is low viscosity asphalt emulsion used to create bond between existing pavement and new asphalt overlay.(a) True(b) FalseThe question was posed to me in an international level competition.My question is based upon Highway Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right choice is (b) False

Best explanation: A TACK coat is used to bond existing pavement surface to the new ASPHALT overlay. A prime coat is applied to BASE course prior to LAYING HMA course.

141.

The term ISWM refers to:(a) International Solid Waste Management(b) Integrated Solid Waste Management(c) Integrated Solid Waste Machine(d) International Solid Waste MechanismThe question was posed to me during an internship interview.My question is taken from Solid Waste Management in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct CHOICE is (b) INTEGRATED Solid Waste Management

Explanation: It stands for Integrated Solid Waste Management. It refers to the SELECTION and use of appropriate techniques for the DISPOSAL of solid waste.

142.

The wind intensity during a calm period in runways should be:(a) Below 4.6km/hr(b) Above 5km/hr(c) Between 5-10 km/hr(d) Below 6.4km/hrI got this question during an interview.I'd like to ask this question from Airport Engineering topic in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right answer is (d) Below 6.4km/hr

Best EXPLANATION: The WIND intensity should remain below 6.4km/hr during a calm period and it is the same for all wind direction. It is EQUAL to 100 MINUS the TOTAL wind coverage.

143.

Airports can be classified on how many basis?(a) 5(b) 4(c) 3(d) 2The question was posed to me in an online interview.Question is from Airport Engineering topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct OPTION is (b) 4

The best I can explain: The AIRPORTS can be classified into 4 on the basis of take-off and landing, geometric design, based on AIRCRAFT approach speed (FAA) and FUNCTION.

144.

Name the organization which is the research and development wing of Indian Railways.(a) CRIS(b) RDSO(c) RSDO(d) IRCTCI had been asked this question in exam.I need to ask this question from Railway Engineering topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct choice is (B) RDSO

The BEST I can EXPLAIN: The RDSO (Research, Designs and STANDARDS Organization) acts as the technical advisor and consultant to the Ministry of Railways and their production UNITS.

145.

__________ gives general guidance for geotechnical investigation.(a) IS(b) GIS(c) BIS(d) IGSI got this question in a job interview.My question is from Geotechnical Investigation and Geosynthetics topic in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

The correct choice is (d) IGS

The explanation is: IGS is Indian Geotechnical Society. This body gives the general guidelines to be followed while CONDUCTING a geotechnical investigation. The HEAD office is in DELHI.

146.

Most soils have a particle density of about:(a) 2.6 g/cc(b) 2.9 g/cc(c) 2.5 g/cc(d) 2.7 g/ccThe question was asked during an interview.Question is from Soil Properties in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct ANSWER is (a) 2.6 g/cc

Easiest explanation: Particle density is MASS per unit volume of soil PARTICLES. It is expressed in g/cc and most soils have 2.6 g/cc as particle density.

147.

Which is an advantage of ex-situ conservation?(a) Cheap method(b) Conserve large number of species together(c) Genetic process for breeding/long life(d) Existence in natural habitatThis question was posed to me during an internship interview.The above asked question is from Biodiversity and Ecology topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right option is (c) Genetic process for BREEDING/long life

Best explanation: Endangered plants/animals can be PROVIDED the conditions required for LARGER life with CAPTIVE breeding and genetic techniques for DEVELOPMENT of the species which are healthy and more productive.

148.

Denitrification in nitrogen cycle happens in __________ conditions.(a) Aerobic(b) Humid(c) Anaerobic(d) ColdThis question was addressed to me in unit test.This is a very interesting question from Various Cycles of Environment in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Right choice is (c) Anaerobic

Explanation: Denitrification refers to the process of REDUCTION of nitrates back to NITROGEN GAS.Pseudomonas bacteria makes this happen. It uses nitrates in the soil to carry out RESPIRATION and consequently, produce nitrogen gas.

149.

What is added to the water treatment tank to settle the colloidal particles?(a) Alum(b) Alum and lime(c) Lime(d) PotashThis question was posed to me in a job interview.This interesting question is from Wastewater Management in chapter Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct option is (b) ALUM and lime

For explanation: CHEMICALS like alum and lime are ADDED to the raw water. Then a rapid mix is done to mix the chemicals with the water. After this, it GOES into the COAGULATION unit, where the colloidal particles combine to form a flock.

150.

Under which rule of Government, guidelines for solid waste management are followed today?(a) Municipal Solid Waste Rules, 2000(b) Municipal Solid Waste Rules, 2016(c) Solid Waste Rules, 2000(d) Solid Waste Rules, 2016This question was addressed to me by my school teacher while I was bunking the class.Asked question is from Solid Waste Management in portion Other Major Topics in Civil Engineering of Basic Civil Engineering

Answer»

Correct OPTION is (d) Solid Waste RULES, 2016

To elaborate: At PRESENT, we have to follow the Solid Waste Management Rules, 2016. This new rule was notified on 8^th April 2016 and it SUPERSEDES the Municipal Solid Waste Rules, 2000. This new sets of rules have been extended to all INDIAN local bodies.