Blue Star Civil Site Engineer Interview Questions and Answers

Q1. (1)Why transformers rating is in kva ?
Ans. 
Transformers rating is in kVA because it takes into account both voltage and current.
• kVA is a unit of apparent power, which is the combination of real power (measured in kW) and reactive power (measured in kVAR).

• Transformers are designed to handle a certain amount of power, and kVA rating takes into account both the voltage and current that the transformer can handle.

• For example, a transformer with a rating of 100 kVA ...read more
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Q2. What is difference between ground and earth
Ans. 
Ground is a conducting body that is used as a reference point for electrical circuits, while earth is a large conducting body that acts as a sink for electrical charges.
• Ground is a reference point for electrical circuits, while earth is a sink for electrical charges.

• Ground is a local concept, while earth is a global concept.

• Ground is a man-made concept, while earth is a natural concept.

• Ground is used to prevent electri...read more
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Q1. Asked about drawing details and about quality, quality,
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Q2. About safety and ppe
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Q1. About salary and all HRA
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Q2. About experience of construction work
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How do you ensure that a project stays on schedule

How do you handle project delays

Q1. Earthing dimension
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Q2. How many pole 1km cabling
Ans. 
The number of pole 1km cabling required depends on the specific project requirements and design considerations.
• The number of pole 1km cabling needed will depend on the distance to be covered and the spacing between poles.

• Factors such as terrain, existing infrastructure, and local regulations will also impact the number of poles required.

• For example, in a straight road with no obstacles, fewer poles may be needed compar...read more
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Q3. Pole base plate size
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The size of the pole base plate depends on the load requirements and soil conditions.
• The size of the pole base plate should be determined by the structural engineer based on the load requirements of the pole.

• The soil conditions at the site also play a crucial role in determining the size of the base plate.

• Factors such as wind load, seismic activity, and the weight of the pole itself should be considered when determinin
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Q4. Stay plate dimension
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Stay plate dimensions are typically specified by the engineer or designer based on the specific requirements of the structure.
• Stay plate dimensions are determined based on the load and stress requirements of the structure.

• The dimensions of stay plates can vary depending on the material used and the design specifications.

• Stay plates are often designed to distribute loads and provide stability in structures such as bridg
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Q1. Notice period of joining
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Typically 1-3 months notice period is required before joining a new job.
• Notice period is the time between accepting a job offer and starting the new job.

• It allows the current employer time to find a replacement and for the employee to wrap up their work.

• Notice periods can vary depending on company policy and the level of the position.

• It is common for notice periods to be 1-3 months in duration.

• Some companies may requir...read more
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Planning is best way of working style and complete the job very quality work.

Q1. Yes but working experience on the job
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Q2. Any way of working answer
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Q3. Experience matter person is don't loss any item on company very very important
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Q4. Wtp, ESR , Intake , pipe line- Di &HDPE,FHTC connection and etc with billing any work.
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Q5. Thanks and regards Samir mishra Please take chance the I will showingmyhard workingin a mont.
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Construction manager discussion with start work .

Any work start before discussion with lovour and supervisor .

Group discussion is most important the work will be start the don't any problem

Q1. Treated fresh unit equipment parts name ??
Ans. 
Treated fresh unit equipment parts are components used in the treatment of fresh water in a unit.
• Pumps

• Filters

• Valves

• Chemical dosing systems

• Control panels

• Flow meters
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Q2. TFA working principle ??
Ans. 
TFA stands for Thin Film Antenna. It is a type of antenna that uses a thin film of conductive material to transmit and receive signals.
• TFA works on the principle of using a thin film of conductive material as the antenna element.

• The conductive film is usually made of materials like copper or gold.

• The film is deposited on a substrate, which provides mechanical support and insulation.

• TFA antennas are lightweight, flexibl...read more
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Q3. Heat load calculation??
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Q4. How to calculate duct size ??
Ans. 
Duct size can be calculated based on the required airflow, velocity, and friction loss.
• Determine the required airflow for the space or system.

• Calculate the velocity of the air based on the desired airflow and the cross-sectional area of the duct.

• Consider the friction loss in the duct system due to fittings, bends, and length.

• Use duct sizing charts or software to find the appropriate duct size based on the calculated ve...read more
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Q5. AHU and chiller working with diagram ??
Ans. 
AHU and chiller are essential components of HVAC systems.
• AHU stands for Air Handling Unit and is responsible for circulating and conditioning air within a building.

• Chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.

• AHU and chiller work together to provide cooled air to the building.

• AHU takes in outside air, filters it, cools or heats it, and then distributes i...read more
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Q6. How ventilation CFM calculate.
Ans. 
Ventilation CFM is calculated by determining the volume of air to be exchanged per minute.
• CFM stands for Cubic Feet per Minute.

• To calculate ventilation CFM, you need to know the volume of the space and the desired air exchange rate.

• The formula to calculate CFM is: CFM = (Volume of Space) x (Air Exchange Rate)

• For example, if the volume of a room is 1000 cubic feet and the desired air exchange rate is 5 times per hour, t
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Q1. Current CTC and expected CTC ??
Ans. 
The current CTC and expected CTC are financial aspects of the job that need to be discussed during the negotiation process.
• Current CTC refers to the current salary or compensation package of the candidate.

• Expected CTC refers to the salary or compensation package the candidate is looking for in the new role.

• These figures are important for both the employer and the candidate to ensure alignment and avoid any misunderstan...read more
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Q2. Notice period and sooner you can join ??
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Q1. How to calculate Exhaust CFM calculate??
Ans. 
Exhaust CFM can be calculated by determining the air volume flow rate in cubic feet per minute.
• Determine the area of the exhaust opening

• Measure the velocity of the air being exhausted

• Multiply the area by the velocity to get the air volume flow rate in cubic feet per minute
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Q2. Duct size with gauge??
Ans. 
Duct size is determined by the gauge of the material used.
• Duct size refers to the dimensions of the ductwork used in HVAC systems.

• The gauge of the material refers to its thickness or weight.

• Thicker gauge materials are used for larger duct sizes to ensure structural integrity.

• Common gauges for ductwork range from 26 to 16, with lower numbers indicating thicker materials.

• For example, a 16-gauge duct would be used for lar...read more
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Q1. What do you want to quit your last job?
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Q2. What you choose this stream?
Ans. 
Passion for designing structures and solving complex problems led me to choose civil engineering.
• Passion for designing structures

• Interest in solving complex problems

• Fascination with construction projects

• Desire to contribute to infrastructure development
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Q1. What will you do, if Contractor didn't work to your satisfaction level?
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Q2. How will you react if any mishappening or accident occur at Site?
Ans. 
I will remain calm, assess the situation, ensure safety of all personnel, and take necessary actions to address the mishap.
• Remain calm and composed to think clearly

• Assess the situation to understand the extent of the mishap

• Ensure safety of all personnel at the site

• Take necessary actions to address the mishap such as calling emergency services or implementing safety protocols

• Investigate the root cause to prevent future
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