Dhoot Group Civil Site Engineer Interview Questions and Answers for Experienced

Q1. Use of shunt relay in acb.
Ans. 
A shunt relay in an ACB is used to provide protection against overcurrents by diverting excess current away from the main circuit.
• Shunt relay is connected in parallel with the main circuit of the ACB.

• It detects overcurrents and activates to divert the excess current through a shunt path.

• This helps in protecting the main circuit from damage due to overcurrents.

• Shunt relays are commonly used in Air Circuit Breakers (ACBs...read more
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Q2. What is coc in hvac.
Ans. 
CoC in HVAC stands for Certificate of Conformance, which is a document certifying that a product meets specified requirements.
• CoC in HVAC is a Certificate of Conformance that ensures a product meets specific requirements.

• It is often required in HVAC projects to ensure quality and compliance.

• CoC may include details such as product specifications, testing results, and manufacturer information.
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Q3. What is Biological oxygen demand and Carbonic oxygen demand in STP Plant.
Ans. 
Biological oxygen demand (BOD) and Chemical oxygen demand (COD) are important parameters in wastewater treatment plants.
• Biological oxygen demand (BOD) is a measure of the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material in water.

• Carbonaceous oxygen demand (COD) is a measure of the amount of oxygen required to oxidize all the organic and inorganic matter in water.

• BOD is a ...read more
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Q4. What is voltage monitoring relay.
Ans. 
A voltage monitoring relay is a device that monitors voltage levels and triggers an alarm or protective action if the voltage exceeds or falls below a set threshold.
• Monitors voltage levels in electrical systems

• Triggers alarm or protective action if voltage exceeds or falls below set threshold

• Used to protect equipment from damage due to voltage fluctuations
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Q5. Working principle of wtp plant.
Ans. 
WTP plant works on the principle of physical and chemical processes to remove impurities from water.
• Water enters the plant and goes through processes like coagulation, flocculation, sedimentation, filtration, and disinfection.

• Coagulation involves adding chemicals to water to make impurities clump together.

• Flocculation helps in forming larger particles called floc for easier removal.

• Sedimentation allows the floc to sett...read more
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Q6. What is your daily and monthly Reports.
Ans. 
I provide daily and monthly reports on project progress, issues, and key metrics to track performance.
• Daily reports include updates on tasks completed, challenges faced, and plans for the next day.

• Monthly reports summarize overall progress, budget status, and any potential risks or delays.

• Reports may also include key performance indicators (KPIs) such as project milestones achieved, budget variance, and resource utiliz...read more
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Written paper as per site and codes

It’s about Quality and execution with VP and audit team

Q1. Salary discussion
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Q2. Joining procedures and company policy
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Q1. Technical questions
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Q1. Technical questions
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Q1. Salary discussion
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Q1. Normal question about your experience and profile
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Q1. After hr interview they forward to you for technical round
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Q1. Any technical questions ask me
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Q2. Difrance between OPC cement and PPC cement
Ans. 
OPC cement is made from limestone and clay, while PPC cement is made from fly ash and clay.
• OPC cement has higher strength and is used for construction of high-rise buildings and bridges.

• PPC cement has better workability and is used for plastering and finishing works.

• PPC cement is more eco-friendly as it uses industrial waste as a raw material.

• OPC cement is costlier than PPC cement.

• OPC cement is commonly used in areas w...read more
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Q3. What is two way slab
Ans. 
A two way slab is a type of reinforced concrete slab that is supported by beams on all four sides.
• Two way slab is used in buildings with large column spacing

• It is designed to resist both positive and negative bending moments

• It is commonly used in parking garages, commercial buildings, and residential buildings

• Two way slab is more economical than one way slab for larger spans
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Q1. Structure related question
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Q2. Shuttering, reinforcement
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Work like a family in jll