Megha Engineering & Infrastructures Junior Engineer Interview Questions and Answers

Q1. Mechanical engineering pipe line
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Q2. Pipe line purpose
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A pipeline is a system of pipes used to transport fluids or gases from one place to another.
• Pipelines are used in various industries such as oil and gas, water supply, and sewage systems.

• They are used to transport materials over long distances efficiently and safely.

• Pipelines can be underground, aboveground, or underwater depending on the application.

• They can transport different types of fluids or gases, including oil,...read more
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Q3. Pipe line work purposes any questions
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Q4. Pipeline work For DPR
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Pipeline work for DPR involves the planning, design, and construction of pipelines for the purpose of transporting oil, gas, or other fluids.
• Pipeline work for DPR includes activities such as route selection, surveying, and environmental impact assessment.

• Designing pipelines involves determining the pipe diameter, material, and thickness based on factors like fluid type, pressure, and temperature.

• Construction of pipelin...read more
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Q1. What is workability of cancrete
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Workability of concrete refers to its ease of mixing, placing, and compacting.
• Workability is an important property of concrete as it affects the strength, durability, and appearance of the final product.

• Factors affecting workability include water content, aggregate size and shape, cement content, and admixtures.

• Workability can be measured using tests such as slump test, flow test, and compacting factor test.

• Concrete wi...read more
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Q2. What is retio of M20
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The ratio of M20 refers to the mix proportion of cement, sand and aggregates used in making concrete of grade M20.
• M20 is a mix of 1:1.5:3 of cement, sand and aggregates respectively.

• The compressive strength of M20 concrete is 20 N/mm² after 28 days of curing.

• M20 is commonly used for constructing residential buildings, bridges, and pavements.
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Q3. What is competition of sub base
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Competition of sub base refers to other materials that can be used as a base layer for construction.
• Common competition includes crushed stone, gravel, and asphalt.

• Factors such as cost, availability, and durability should be considered when choosing a sub base material.

• The chosen sub base material should provide a stable and level foundation for the construction project.

• Different types of construction projects may requi...read more
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Q4. What is GSB bad competition
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GSB bad competition refers to the poor quality of construction work done using GSB material.
• GSB (Granular Sub Base) is a material used in road construction.

• If the GSB material used is of poor quality, it can lead to a weak foundation and road damage.

• This can result in increased maintenance costs and safety hazards for drivers.

• Examples of GSB bad competition include using low-quality materials or not compacting the mate...read more
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Q1. About me family background
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Q2. Tell me your experience
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Q1. Site knowledge and work
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Q2. Box culvert length and weidth
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Q3. LVUP Raft and wall thickness , height
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Q4. Super Raft,wall thickness, height
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Q5. Flyover related questions pile, pile cap,peir, peir cap, pedestal, girder,deck slab
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Salary discussion and site knowledge of your work

Q1. Pm sir asked me that you know bbs. Yes,I know bbs.bbs means bar bending schedule like details of raft ,main bar and distribution bar ,shap and size, cutting length, total quantity.
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Q2. Weight of per metre of steel bar . Weight of per metre of steel bar=( dia of steel)²/162,kg/m
Ans. 
Formula for calculating weight of per metre of steel bar
• Weight of per metre of steel bar = (diameter of steel)²/162, kg/m

• The formula is used to calculate the weight of steel bars used in construction

• The weight of steel bars varies depending on the diameter of the bar

• For example, a 10mm diameter steel bar would weigh approximately 0.617 kg/m
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Q3. What is the development length. Steel part that embabed in concrete is called development length.
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