SMEC Project Engineer Interview Questions and Answers

Q1. Chiller efficiency
Ans. 
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???
Ans. 
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?
Ans. 
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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Q1. Use of shunt relay in acb.
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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.
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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.
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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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Q1. Related to the works we have handled , project details ,
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Q1. What is your current job role & responsibility?
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Q2. How to manage site as a project engineer.
Ans. 
A project engineer manages a site by overseeing construction activities, coordinating with stakeholders, ensuring compliance with regulations, and resolving issues.
• Coordinate with project managers, contractors, and subcontractors to ensure smooth workflow.

• Monitor progress and quality of construction activities to meet project deadlines.

• Ensure compliance with safety regulations and quality standards.

• Resolve any issues o...read more
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Q3. How much number of slab to give in one months.
Ans. 
The number of slabs to give in one month depends on the project timeline, size of slabs, and resources available.
• Consider the project timeline and deadlines for completion

• Evaluate the size and complexity of the slabs to determine production rate

• Assess the availability of resources such as manpower and equipment

• Example: If the project requires 100 slabs and the production rate is 10 slabs per week, then it would take 10...read more
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Q4. What is the mivan shuttering.
Ans. 
Mivan shuttering is a type of formwork that is used in construction for constructing walls and slabs.
• Mivan shuttering is a fast-paced construction technique.

• It involves setting up aluminum formwork to create the structure of walls and slabs.

• The formwork is reusable and can be quickly assembled and dismantled.

• Mivan shuttering results in smooth finishes on concrete surfaces.

• It is commonly used in high-rise buildings and
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Q5. Types of cement grade and which grade used in M70.
Ans. 
Different types of cement grades include OPC, PPC, PSC, etc. M70 grade typically uses OPC cement.
• Types of cement grades: OPC, PPC, PSC, etc.

• M70 grade usually uses OPC cement.

• OPC (Ordinary Portland Cement) is commonly used in high-strength concrete mixes like M70.
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Q6. How much experience you have in high rise building.
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Q1. What is your current salary?
Ans. 
I am currently earning a competitive salary based on my experience and qualifications.
• My current salary is in line with industry standards.

• I am open to discussing salary expectations for this role.

• I believe my compensation reflects my skills and contributions to my current employer.
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Q2. How much deduction in PF.
Ans. 
The deduction in PF varies based on the employee's salary and the company's policy.
• PF deduction is typically a percentage of the employee's basic salary

• The current rate of PF deduction is 12% of the basic salary

• Some companies may choose to match the employee's contribution to PF

• Employees can also choose to contribute more than the mandatory 12%
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Q3. Your expectation salary breakup.
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Q4. Provide last 3 months salary slips and other documents.
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Q1. Technical round and related to experience
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Q1. Basic fundamentals of plumbing and fire fighting system.
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Q2. Fire pump room single line diagram and working.
Ans. 
A fire pump room single line diagram illustrates the components and flow of water in fire protection systems.
• Includes main components: fire pump, controller, water supply, and discharge piping.

• Fire pump types: centrifugal, positive displacement, each suited for different applications.

• Controller manages pump operation, ensuring automatic activation during fire alarms.

• Water supply sources: municipal water, tanks, or rese...read more
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Q3. Fire pump technical data sheet detail.
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Plumbing and fire fighting NBC code Standard etc.

Q1. Salary discussion.
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Q2. Why to join our organisation.
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I am excited to join your organization for its innovative projects, collaborative culture, and commitment to professional growth.
• Innovative Projects: Your organization is known for cutting-edge technology, such as the recent AI-driven solutions that enhance user experience.

• Collaborative Culture: I appreciate the emphasis on teamwork, as seen in your recent cross-departmental project that improved product delivery times...read more
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Q1. Basic questions about present job
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Q1. Basic questions regarding to project
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