Civil Engineering Interview Questions and answers..
By: Akash Bhorade
Tags: Civil Rights, Engineering, Interview

Civil engineering is the one of the core branch of engineering witch deals with measurably building of houses, irrigation canals, roads, railway tracks, building of dams as well as setting up of various power plants.

Q.1 What are the steps involved in the concreting process?

Ans: a. Batching: The process of measurement of different materials to make good concrete is known as batching. Batching is further divided into two sub heads which are, Volume batching, usually done by the measurement in the form of volume, and weight batching, done by the measurement by weight.

Mixing: Mixing is the second process to create a good concrete. Mixing must be done first in dry condition and then in wet condition. It can be done in two ways, hand mixing and machine mixing. Transporting and placing of concrete: After finishing a second process. A prepared concrete should be transported in its final location. The concrete is placed on form works and should always be dropped on its final location as closely as possible. Compacting: When concrete is placed it can have air bubbles entrapped in it which can lead to the reduction of strength by 30 percent. In order to reduce the air bubbles the process of compaction is performed. Compaction is generally performed in two ways by hands or by vibrators.

Q.2 What are the various methods of concrete curing? Describe briefly.

Ans: Curing is the process of maintaining the moisture and temperature conditions for freshy deployed concrete. This is done for small duration of time to allow the hardening of concrete.

Water curing

Sprinkling Method: — Shading concrete work than sprinkling of water on concerted surface. Used for (Walls, Beams and Columns). In general, walls, and columns can be cured by sprinkling water. Pounding Method: — The horizontal surfaces including the slab and floors can be cured by stagnating the water. Applying the chemical membrane on concreted surface. Wet covering of surface: It can be cured by using the surface with wet gunny bags or straw. Curing Compounds: Easy to apply and inexpensive. Sprayer needed in adequate coverage allows drying out, film can be broken or tracked off before curing is completed. Unless pig-melted, can allow concrete to get too hot.

Q.3 How do you measure concrete?

Ans: A concrete structure may consist of beams, slabs, columns and foundations etc. based on type of structure. The volume of concrete required for concrete structure can be calculated by summing up the volumes of each structural member or each parts of members.

Q.4 What is work ability of concrete?

Ans: In civil engineering work ability of concrete is that property of freshly mixed concrete which determines the ease and homogeneity with which it can be mixed, placed, consolidated and finished.

Q.5 What are the ways to improve the work-ability of concrete?

Ans: — This is the most important question asked in civil engineering interview.

Effective ways to improve the work ability of concrete are as follow

Increase water or cement ratio Increase size of aggregate Use well-rounded and smooth aggregate instead of irregular shape. Increase the mixing time. Increase the mixing temperature. With addition of air-entertaining mixtures.

Q.6 What are the causes of building collapse?

Ans: In civil engineering projects, the main reason of building collapse is poor workmanship because if the building engineer does not supervise the builders, they may mix the material poorly. However, lack of appropriate professional design and construction experience, foundation failure, faulty construction etc are also the major causes.

Q.7 What are the applications of modulus of elasticity?

Ans: — In civil engineering, the modulus of elasticity is often one of the primary properties considered when selecting a material. A high value of modulus of elasticity is sought when deflection industry, while a low modulus of elasticity is required when flexibility id needed.

Q.8 What is the difference routing maintenance and major maintenance in school facilities?

Ans: — The major maintenance could also be a total rehabilitation of the school, either school buildings or any other project within the school community. It could be total restructuring of the lighting system in the school or sanitary system.

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