PCBL Chemical Limited Operations Executive Interview Questions and Answers

Q1. Can you describe your career achievements along with your roles and responsibilities?
Ans. 
I have achieved significant milestones in my career through various roles and responsibilities.
• Led a team of 20 employees to successfully implement a new project, resulting in a 30% increase in efficiency

• Managed a budget of $1 million and consistently met financial targets for three consecutive years

• Developed and implemented a training program that improved employee retention rates by 15%

• Served as a mentor to junior st...read more
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Q1. Which energy helps to move piston from TDC to BDC after expansion
Ans. 
The energy that helps to move the piston from TDC to BDC after expansion is mechanical energy.
• Mechanical energy is converted from the expansion of gases in the combustion chamber.

• This energy is transferred to the piston through the connecting rod.

• The movement of the piston from Top Dead Center (TDC) to Bottom Dead Center (BDC) is crucial for the operation of the engine.
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Q2. Elaborate Combustion process of IC engine
Ans. 
Combustion process in an internal combustion engine involves the ignition of fuel-air mixture to generate power.
• Fuel and air mixture is compressed in the cylinder

• Spark plug ignites the mixture, causing combustion

• Combustion generates high pressure, pushing the piston down

• Exhaust gases are expelled through the exhaust valve

• Examples: Petrol engine, Diesel engine
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Q1. Tell something about yourself
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Q1. What is the machine capacity?
Ans. 
The machine capacity refers to the maximum amount of work or output that a machine can handle within a given time frame.
• Machine capacity can be measured in terms of units produced per hour, pieces processed per minute, or any other relevant metric.

• Factors that can affect machine capacity include machine speed, efficiency, maintenance, and downtime.

• For example, a CNC machine may have a capacity of producing 100 units pe...read more
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Q2. Mhe requirement
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Q1. About the purchase field
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Q1. Technik question about purchase
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Q1. HR round asked persona question
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Q1. Details about Current transformer ?please explain previous plant process ? How do you protect your Transformer ? Please explain voltage drop in cables with example?
Ans. 
Current transformers are used to measure current in high voltage circuits. Transformers are protected using fuses, circuit breakers, and surge arresters. Voltage drop in cables is caused by resistance and can be calculated using Ohm's Law.
• Current transformers are used to step down current in high voltage circuits for measurement purposes.

• Transformers are protected using fuses to prevent overcurrent situations.

• Circuit b...read more
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Q1. Reason behind previous plant leaving?
Ans. 
The previous plant left due to financial difficulties and market changes.
• Financial difficulties led to closure of previous plant

• Market changes made it unsustainable to continue operations

• Lack of profitability forced shutdown of previous plant
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About Work Culture and how is wfh affecting people

Duration of the aptitude test was around 30 mins

Q1. I would not like to
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Knowledge of chemical engineering

Q1. Tell me about yourself . Process of sulphur Process of sulphuric acid Process of cs2 Pump NpSh Heat exchanger Plate heat exchanger Shell and tube heat exchanger Reactor Furnace Multistage pump Msd...read more
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