Aliens Group Planning Engineer Interview Questions and Answers for Experienced

Q1. About yourself and work experience related
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Q2. About MTECH thesis
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Q1. Aluminium Formwork activity brief description.
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Aluminium formwork is a construction technique that uses lightweight aluminium panels to form concrete walls, floors, and columns.
• Aluminium formwork is a modern construction technique that is faster and more efficient than traditional formwork methods.

• It involves using lightweight aluminium panels that are easy to handle and can be reused multiple times.

• The panels are assembled on site to form the desired shape and siz...read more
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Q2. Waterproofing Procedure
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Waterproofing procedure involves applying a waterproof barrier to prevent water from penetrating a building structure.
• Identify the areas that need waterproofing such as roofs, walls, and foundations.

• Choose the appropriate waterproofing material based on the type of structure and the level of water exposure.

• Prepare the surface by cleaning and repairing any cracks or damage.

• Apply the waterproofing material using the reco...read more
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Q3. External Development area step by step activities
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Q4. What is Steel Fibre Road Concrete?
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Steel Fibre Road Concrete is a type of concrete that contains steel fibres to improve its strength and durability.
• Steel fibres are added to the concrete mix to enhance its mechanical properties.

• The fibres act as reinforcement and help to prevent cracking and improve resistance to wear and tear.

• Steel Fibre Road Concrete is commonly used in the construction of roads, bridges, and other infrastructure projects.

• It is also ...read more
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Q5. Piling works what i had done
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I have experience in piling works including design, installation, and testing of piles.
• Designed pile foundations for various structures including bridges and buildings

• Installed piles using various methods such as driven piles and drilled shafts

• Conducted pile load tests to ensure the capacity of the piles

• Managed and supervised piling works on construction sites

• Ensured compliance with safety regulations and quality stand
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Q6. Concrete technology for site activity
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Concrete technology is crucial for site activity as it involves the proper mixing, placing, and curing of concrete.
• Understanding the properties of concrete and how it reacts to different conditions

• Proper mixing of concrete ingredients to achieve the desired strength and consistency

• Ensuring proper placement and compaction of concrete to avoid voids and weak spots

• Proper curing of concrete to achieve maximum strength and ...read more
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Q1. Why i want to leave the current company
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Q2. What is my expectation for their organisation
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Q1. Working experience
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Q2. Present location of work
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I am currently working at a construction site in downtown city.
• Construction site in downtown city

• Working on a high-rise building project

• Coordinating with architects, contractors, and workers

• Ensuring adherence to safety regulations and project timelines
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Q1. Chiller efficiency
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Chiller efficiency is a measure of how well a chiller unit is able to cool a space while using the least amount of energy.
• Chiller efficiency is typically measured by the Coefficient of Performance (COP), which is the ratio of cooling output to energy input.

• Regular maintenance and cleaning of chiller components can improve efficiency.

• Upgrading to a more energy-efficient chiller model can also increase efficiency.

• Proper ...read more
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Q2. Which one more efficiently? Air cooled,or water cooled???
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Water cooled systems are generally more efficient than air cooled systems due to higher heat transfer capabilities.
• Water has higher heat transfer capabilities compared to air

• Water cooled systems can maintain more consistent temperatures

• Water cooled systems are typically used in high performance applications such as data centers and industrial machinery
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Q3. How we improved duct velocity?
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Duct velocity can be improved by increasing the fan speed or reducing the duct size.
• Increase the fan speed to increase the air velocity in the duct.

• Reduce the duct size to increase the air velocity.

• Use dampers or adjustable louvers to control and optimize the airflow.

• Ensure proper sealing of duct joints to minimize air leakage.

• Consider using smooth and straight ducts to reduce friction and improve airflow.

• Regularly cle...read more
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Q4. What types of gas use chiller system?
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The chiller system uses various types of gases for cooling purposes.
• Common types of gases used in chiller systems include R-134a, R-410A, and ammonia.

• R-134a is a hydrofluorocarbon (HFC) refrigerant commonly used in air conditioning systems.

• R-410A is a blend of hydrofluorocarbons used as a replacement for older refrigerants.

• Ammonia (NH3) is often used in industrial chiller systems due to its high cooling capacity.

• Other ...read more
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Q5. How we decided the vrf system capacity as per area??
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The VRF system capacity is determined based on the area's cooling and heating load requirements.
• Calculate the total cooling load and heating load for the area

• Consider factors such as insulation, windows, occupancy, and equipment

• Select VRF system capacity based on the calculated load requirements

• Consult with HVAC professionals for accurate sizing
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How can we understand the needs of our customers and find them the property they want near their work or rented home, and how can we bond with them, future reference sathi?