Power Mech Projects HSE Lead Interview Questions and Answers

Q1. Draw a SLD of a Substation
Ans. 
A Single Line Diagram (SLD) of a Substation shows how electrical power is distributed within the substation.
• Include main components like transformers, circuit breakers, disconnect switches, etc.

• Show the flow of electricity from the incoming transmission lines to the outgoing distribution lines.

• Label all components and indicate their ratings and connections.

• Use standard symbols and conventions for clarity.

• Consider safet
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Q2. About PT and CT
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Q1. Draw a room lighting fixture
Ans. 
A room lighting fixture with a modern design and energy-efficient LED bulbs.
• Consider the size and shape of the room when designing the fixture

• Choose energy-efficient lighting options such as LED bulbs

• Incorporate modern design elements for a sleek look
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Q2. Draw it's connection
Ans. 
The question is asking the candidate to draw a connection diagram for a specific electrical system.
• Start by identifying all the components of the electrical system

• Draw a clear and organized diagram showing how each component is connected

• Label each connection and component for clarity

• Ensure the diagram follows standard electrical symbols and conventions

• Double-check the diagram for accuracy and completeness
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Resume receiving, Self introduction with experience sharing, General safety questionnaires.

Q1. Telephonic interview on general and technical safety questionnaires.
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Q2. Top 5 hazards in construction field.
Ans. 
Top 5 hazards in construction field include falls, electrocution, struck by object, caught in/between, and respiratory hazards.
• Falls: from heights, ladders, scaffolding

• Electrocution: faulty wiring, exposed electrical parts

• Struck by object: falling tools, equipment

• Caught in/between: machinery, trench collapses

• Respiratory hazards: dust, fumes, asbestos
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Q3. Different between incident and accident
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An incident is an unexpected event that could have resulted in harm, loss, or damage. An accident is an incident that actually caused harm, loss, or damage.
• Incident is a potential event that could lead to harm, loss, or damage.

• Accident is an incident that has resulted in harm, loss, or damage.

• Accidents are a subset of incidents.

• Examples: A near miss is an incident, while a slip and fall resulting in injury is an accide
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Q4. What is a Elcb and a RCCB. Define their mechanism.
Ans. 
ELCB stands for Earth Leakage Circuit Breaker and RCCB stands for Residual Current Circuit Breaker. They are electrical safety devices.
• ELCB detects earth faults and disconnects the circuit to prevent electric shocks.

• RCCB detects residual current imbalances and disconnects the circuit to prevent electric shocks.

• Both ELCB and RCCB work by comparing the current flowing in the live and neutral wires.

• They trip the circuit i...read more
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Q1. Salary negotiation and site offerings.
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It was in campus interview. aptitude test difficulty low

Q1. Ferranti effect
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Q2. What is Skin effect?
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Q1. What are the challenges in shutdown.?
Ans. 
Shutdown challenges include safety risks, time constraints, and equipment maintenance.
• Ensuring safety of workers during shutdown activities

• Completing shutdown within the allotted time frame

• Performing necessary maintenance and repairs on equipment

• Managing logistics and resources for shutdown

• Coordinating with various departments and stakeholders

• Dealing with unexpected issues or emergencies

• Ensuring compliance with regulat
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Q2. Risk assessment step.
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Risk assessment is a systematic process of identifying, analyzing and evaluating potential hazards and risks associated with a particular activity or process.
• Identify hazards and potential risks

• Analyze the likelihood and severity of the risks

• Evaluate the risks and determine appropriate control measures

• Review and update the risk assessment regularly

• Examples: Job Hazard Analysis, HAZOP, FMEA
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Q3. Drop Object prevention.
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Q1. Hazards & Risk of any activity, difference between many rules and regulations, Safety measure as per standard, HIRADC, OISD, Factory Act, NFPA etc.
Ans. 
The question asks about hazards, risks, rules and regulations, safety measures, and relevant standards in HSE engineering.
• Hazards and risks are inherent in any activity and must be identified and managed to ensure safety.

• Rules and regulations vary depending on the industry and jurisdiction, and compliance is essential for maintaining a safe working environment.

• Safety measures should be implemented according to relevant...read more
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Q1. Waste Management, OISD standard, PTW procedure etc.
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Q1. Why I want to change my job? Like this etc.
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Q1. What are the interested party of organisation
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Q2. What is behaviour based safety
Ans. 
Behaviour based safety is a proactive approach to safety that focuses on changing behaviors to prevent accidents and injuries.
• Focuses on changing behaviors to improve safety

• Involves observing and addressing at-risk behaviors

• Encourages positive reinforcement for safe behaviors

• Incorporates training and education on safe practices

• Emphasizes employee involvement and ownership of safety
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Q3. Acciden type and analysis techniques
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Accident type and analysis techniques involve identifying the type of accidents that occur and analyzing the root causes to prevent future incidents.
• Identify common accident types such as slips, trips, falls, machinery accidents, and chemical exposures.

• Conduct accident investigations to determine the root causes of incidents.

• Use techniques like root cause analysis, fault tree analysis, and fishbone diagrams to analyze ...read more
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Q4. How do you manage unsafe behaviour
Ans. 
I manage unsafe behavior by implementing safety protocols, providing training, conducting regular inspections, and addressing issues promptly.
• Implementing safety protocols to prevent unsafe behavior

• Providing regular training on safety procedures

• Conducting regular inspections to identify potential hazards

• Addressing unsafe behavior promptly through corrective actions

• Encouraging open communication to address safety concer
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Q5. What is strength and weakness
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Q1. 1.HIRA full form, 2.work location safety adits how many types,
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Q2. 3.full form of Safety, Safety job requirements, 4.Safety documents preparing, 5.Spcial trainings for work location safety, 6.Ligal documents priparing, 7.ISO Fallow and NOBSH in oil and gas 8.industry wo...read more
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