VST Motors Interview Questions and Answers

Q1. How petrol engine works
Ans. 
A petrol engine works by igniting a mixture of fuel and air inside a combustion chamber to create controlled explosions that drive the piston.
• Petrol engine uses spark ignition to ignite the fuel-air mixture

• The fuel-air mixture is compressed by the piston inside the combustion chamber

• The spark plug ignites the mixture, causing a controlled explosion

• The explosion pushes the piston down, converting the energy into mechani...read more
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Q2. How diesel engines work
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Diesel engines work by compressing air and fuel to create combustion, which powers the engine.
• Diesel engines use compression ignition, where the air-fuel mixture is compressed to a high pressure and temperature, causing spontaneous combustion.

• The fuel is injected into the combustion chamber at the end of the compression stroke, and it ignites due to the high temperature.

• The combustion of the fuel creates expanding gase...read more
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Q3. Describe hybrid engine
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A hybrid engine combines an internal combustion engine with an electric motor to power a vehicle.
• Hybrid engines use both gasoline and electricity as power sources.

• They are designed to improve fuel efficiency and reduce emissions.

• The electric motor assists the internal combustion engine during acceleration and provides power during low-speed driving.

• Regenerative braking is used to recharge the battery by converting kine...read more
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Q4. How you check diesel engine health
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To check diesel engine health, perform visual inspection, check for abnormal noises, monitor exhaust emissions, and conduct diagnostic tests.
• Perform a visual inspection of the engine for any leaks, cracks, or signs of damage.

• Listen for any abnormal noises such as knocking, rattling, or excessive vibration.

• Monitor the exhaust emissions for excessive smoke, unusual smells, or irregularities.

• Conduct diagnostic tests using...read more
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Q5. Difference between normal engine oil and synthetic oil
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Synthetic oil is a man-made lubricant with superior performance and protection compared to conventional engine oil.
• Synthetic oil is chemically engineered to have a more uniform molecular structure, resulting in better lubrication and reduced friction.

• It offers improved viscosity stability, meaning it maintains its thickness and performance in extreme temperatures.

• Synthetic oil provides better protection against engine ...read more
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Basic details

How many years of experience, what's is the conversion in each domain, how you handle a team and other aspects, daily routine, role play in the organisation, achivement's received.

Q1. What is procurement
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Q2. Are you able handle pressure
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Q3. Tell about your self
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Q1. Tell us about your experiences?
Ans. 
I have diverse HR experiences, including recruitment, employee relations, and performance management across various industries.
• Managed recruitment processes for over 50 positions, improving time-to-hire by 20%.

• Implemented an employee engagement program that increased retention rates by 15%.

• Conducted training sessions on diversity and inclusion, fostering a more inclusive workplace.

• Developed performance appraisal system...read more
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Q2. What will be the ESIC contribution?
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