# Civil Engineering Interview Questions

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#### RAVISHANKAR

• Jan 22nd, 2018

1sqm plaster in cement

#### Prathamesh Kulkarni

• Nov 8th, 2017

In Half Brick Thick wall, the measurement is in square meters. Hence Volume of Bricks required for 1 sq m of brickwork needs to be calculated for the payment of the lead of that volume of bricks.

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#### Monitor 90 Micron Sieve in Cement

We are monitoring the cement fineness by 45 micron only but not by 90 micron. How important to monitor 90 micron residue in cement. Explain. Also in our clinker the MgO is around 4.3 %. We would like to produce OPC 43 grade cement , but it is failing in auto clave test. Is there any alternative available to produce OPC 43 grade with this much MgO in clinker.

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#### Least Count

What is mean by least count? Tell the least count of dumpy level and theodolite?

#### Dhanavath kirankumar

• Jan 8th, 2018

The smallest measurement which can be measured by an instrument is known as least count. The least count of dumpy level depends on the readings on staff. Generally we use 5 mm least count staff, so th...

#### jibanjyoti routray

• Nov 13th, 2017

Least count of auto level is 0.5mm and dumping level is 0.5mm

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How can we calculate 4/6 lane road width and maximum percentage of super elevation in National Highways in India.

#### Vijaykumar

• Jan 6th, 2018

Is it 107 feet from divider or 140 feet

#### srinivas

• Dec 29th, 2016

In four way lane road in India, how much length distance from center of the road one can construct a new building? (Answer in feet length).

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#### Shear Walls and Core Walls Reinforcement Details

What is the maximum ratio steel used in Shear Walls and Core Walls?

#### Ahbishek singh

• Dec 23rd, 2017

Wall-40 mm , Slab - 20mm,
C40 is a concrete mix design,
Ratio can be 1:1.5:3

#### Senthil Kumar

• Mar 3rd, 2016

What is wall and slab cover size?
Components of C40 concrete and ratio?

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#### Duties and Responsibilities of Civil Site Engineer

What are the duties and responsibilities of civil site engineer in road and building construction?

• Member Since Apr-2009 | Apr 8th, 2009

While in duty of supervision of building, you should ensure that the concrete mixing is according to the grade specified. While supervision of road, you should ensure that the different layers of the road are laid in proper thickness.

#### Rakesh

• Dec 27th, 2017

Role of Civil engineer: Taking leveling as per the drawing, studying the drawings properly - during the excavation before constructing any structure Checking the Quality of materials like cement, s...

#### Mohammed fazal

• Mar 23rd, 2017

1) Executing the work by given drawing and specifications 2) Quality control in work 3) Give quality assurance in each and every work 4) Checking the grade of concrete and size of steel in R.C.C str...

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#### Why we need to do PCC?

• Nov 30th, 2017

First is the compaction sub base may contain deleterious substances, alkaline, harmful salts etc. which will causes corroded the reinforcement of RCC. No.2 -is it may porous & the cavity would soak wa...

• Oct 12th, 2017

Whether PCC and RCC to be done in same day?

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#### Expansion Joint

We had Constructed the RCC Building both Ground and First Floor of length 265 Feet without Expansion Joint. What will happened?

#### j.srinivasan

• Dec 4th, 2017

As per standard, we need to provide the expansion joint at every 30m, if not provided, cracks will appear.

• Sep 17th, 2016

Cracks will appear

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#### What is TMT steel?

Explain its properties..

#### Venukumar

• Nov 17th, 2017

Thermo-Mechanical Treated

#### suji

• Mar 7th, 2012

TMT means Thermomechanical Treatment of steel. Its a process of simultaneous application of heat and a deformation process of metal, in order to change its shape and refine the microstructure. Hot...

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#### VDF

What is the VDF?

#### P.Natarajan

• Nov 16th, 2017

VDF- Vacuum Dewatered Flooring

#### Amit Kumar

• Mar 11th, 2017

VDF means Vacuum Dewatered Flooring

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#### Compressive Strength of Concrete

What is the effect of mix ratio (cement:sand:aggregate) in strength of concrete?

#### Ratha Reddy

• Nov 8th, 2017

Compressive strength of concrete depends on grade size. For 28 days it should reach minimum its grade. For example 20 grade compressive strength for 28 days is minimum 20kn(100%). For 7 days around 65%

#### Arvind kumar

• Oct 6th, 2017

Compressive strength of cube = 1.25 cylindrical strength
compressive strength of concrete is tested by 150?150 mm

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#### How to increase bearing capacity of soil?

rzaman68

• Member Since Jan-2009 | Jan 25th, 2009

To improve the bearing capacity of soil, one of the following methods can be used.

1. Vibro Floatation Technique

2. Repalce the existing soil with road base materials and compact in layers to attain the required bearing capacity of soil.

3. Replace the existing soil with cement mix soil and compact in layers with water to attain the required bearing capacity.

4. Vibro Replacement Technique

#### Shiva Kant

• Nov 1st, 2017

We can increase the capacity of soil by decreasing the area of the footing.

#### rzaman68

• Jan 25th, 2009

To improve the bearing capacity of soil, one of the following methods can be used.1. Vibro Floatation Technique2. Repalce the existing soil with road base materials and compact in layers to attai...

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#### What is workability in concrete?

• Oct 3rd, 2017

Simple, the easiest work on concrete without bleeding and segregation and place easy is called workability of concrete. There are three methods are use to determine workability of concrete 1 slump cone test 2 compaction factor test 3 vee bee test.

#### Abdurahman shahidi

• Jun 29th, 2017

The ease with which a concrete can be mixed, placed and finished. Wet concretes are workable but weak. Workability can be measured by the slump test, the compacting factor test, and by the V.-B. Consistometer test.

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#### Workability of Concrete

What can be the slump value in the case of following members as per IS recommendations1. Slab2. Beam3. Column4. Dam

• Sep 19th, 2017

For column 75mm to 125mm
for slabs and beam 30mm to 125mm
for foundation 50mm to 100mm

#### Darandale sanjay rajendra

• Aug 1st, 2017

Column- 75-150 mm
Beam & Slab- 50-100 mm

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#### Steel in Compression Zone

What is the purpose of providing steel in compression zone in Doubly reinforced beam?

#### kumar

• Aug 15th, 2017

How much number of maximum bars are provide in compression and tension zone

#### prasannagv

• Jul 29th, 2010

Along with the restriction on cross section..when there is a load reversal as in the case of earthquakes there might be tension in the compression zone which will be taken care of by the reinforcement present there.

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#### Stirrups

Why do we have use stirrups in beams?

#### Darandale sanjay rajendra

• Aug 1st, 2017

Stirrups are provided to resist shear and also to hold the longitudinal reinforcements in place. The stirrups resist flexure-shear and diagonal tension crack formations. When crack forms due to shear ...

#### MD ZEYAULLAH

• Apr 16th, 2016

Dumpey level lest count. 0.005

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#### Construction of slab or beam using PCC.

How long we can construct the slab or beam by using PCC[Plain cement concrete]?.
Instant of RCC in beam or slab how long we can able to construct the beam or slab by using PCC.

#### Rajasekhar

• Jul 2nd, 2017

Concrete is a brittle material, beam and slab occurring certain loads like dead, live & Impact loads PCC will not be able to resist the loads ,
RCC is Reinforced concrete cement including steel and concrete, it will act ON both tension and compression when resist on loads

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#### Cum to Meteric Tone

How can we convert Cum to Mt. in calculation of BC, DBM or WMM

#### Anil Ray

• Jun 22nd, 2017

Wmm weight per cum

#### vellingiri

• Nov 5th, 2015

1cum concrete volume=2.41metric ton concrete mass

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