Voltas Site Supervisor Interview Questions and Answers

Q1. Ehs longform please let me
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Q2. What is fire please tell me
Ans. 
Fire is a rapid chemical reaction that releases heat, light, and various gases.
• Fire is a result of the combustion process, where a fuel source combines with oxygen in the presence of heat to produce flames.

• It requires three elements to sustain: fuel, oxygen, and heat.

• Examples of fuel sources include wood, paper, gasoline, and natural gas.

• Fire can spread rapidly and pose a significant risk to life and property if not co...read more
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Q3. How many types of fire extinguisher
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There are five main types of fire extinguishers: water, foam, dry powder, CO2, and wet chemical.
• Water fire extinguishers are suitable for Class A fires involving solid materials like wood or paper.

• Foam fire extinguishers are effective for Class A and B fires involving flammable liquids like petrol or oil.

• Dry powder fire extinguishers are suitable for Class A, B, and C fires involving flammable gases like propane.

• CO2 fi...read more
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Q4. 4 types types
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The 4 types of safety hazards are physical, chemical, biological, and ergonomic.
• Physical hazards include slips, trips, falls, and machinery accidents.

• Chemical hazards involve exposure to harmful substances like gases, liquids, or solids.

• Biological hazards come from exposure to viruses, bacteria, fungi, and other living organisms.

• Ergonomic hazards result from poor workstation design, repetitive tasks, or improper liftin
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Very nice I wood like

Q1. Soil investigation
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Q2. Bar binding schedule
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Q3. Material testing 20mm,10mm,sand, cement
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Q1. What is your job role in the carrent company?
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Q1. Previous experience
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Q2. Education background
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Q1. Knowledge about safety
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Q1. Can you describe your experience in your previous company?
Ans. 
I have 3 years of experience as a site engineer in a construction company.
• Managed multiple construction projects simultaneously

• Ensured compliance with building codes and regulations

• Coordinated with architects, subcontractors, and clients

• Performed site inspections and quality control checks

• Prepared progress reports and updated project schedules
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Q2. General HR round
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Q1. What makes ac to dc
Ans. 
AC is converted to DC using a rectifier circuit.
• AC to DC conversion is done using a rectifier circuit, which converts alternating current (AC) to direct current (DC).

• Rectifier circuits can be half-wave or full-wave, depending on the type of rectification needed.

• Examples of rectifier circuits include diode rectifiers, bridge rectifiers, and voltage multiplier circuits.
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Q2. What's materials used for earthing
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Materials commonly used for earthing include copper, galvanized steel, and conductive concrete.
• Copper rods

• Galvanized steel rods

• Conductive concrete

• Earthing strips

• Earthing plates
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Q3. Full form of MCBA
Ans. 
MCBA stands for Master of Construction Business Administration.
• MCBA is a postgraduate degree program that focuses on the business aspects of the construction industry.

• It covers topics such as project management, finance, marketing, and strategic planning.

• Example: John completed his MCBA to advance his career in construction management.
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Q4. What is the standard earthing voltage
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The standard earthing voltage is typically 0 volts.
• Standard earthing voltage is usually 0 volts to ensure safety in electrical systems

• Earthing voltage can vary depending on the specific requirements of the system

• Proper earthing helps to prevent electrical shocks and equipment damage
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Q1. How long you can join
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Q2. As early as possible
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Aptitude test related to EHS field

Q1. Technical round related to safety
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Q2. What is confined space
Ans. 
Confined space is an area that is not designed for continuous occupancy, has limited entry and exit points, and may have hazardous conditions.
• Limited entry and exit points

• Not designed for continuous occupancy

• May contain hazardous conditions such as poor ventilation, toxic gases, or engulfment hazards
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Q3. What is the process of demolition work
Ans. 
Demolition work involves planning, preparation, and execution of tearing down structures safely.
• Obtain necessary permits and approvals

• Survey the site for potential hazards

• Remove hazardous materials like asbestos

• Establish exclusion zones for safety

• Use appropriate equipment like excavators or wrecking balls

• Follow proper disposal procedures for debris

• Ensure proper communication and coordination among team members
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Q1. Salary discussion
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Q1. How can I monitor a site?
Ans. 
Monitoring a site involves regular inspections, utilizing technology, and maintaining communication with team members.
• Perform regular site inspections to ensure safety and compliance

• Utilize technology such as security cameras and sensors for real-time monitoring

• Maintain open communication with team members to address any issues or concerns

• Implement a reporting system to track progress and address any issues promptly
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Q2. What steps can I take to commit myself to a company improvement project?
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To commit to a company improvement project, one can take steps such as setting clear goals, involving team members, seeking feedback, and continuously monitoring progress.
• Set clear goals and objectives for the project to ensure everyone is aligned.

• Involve team members in the planning and decision-making process to increase buy-in and motivation.

• Seek feedback from stakeholders to gather different perspectives and improv...read more
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