Selec Controls Production Operator Interview Questions and Answers

Q1. What is the difference between a diesel engine and a petrol engine?
Ans. 
Diesel engines use compression ignition while petrol engines use spark ignition.
• Diesel engines use compression ignition, where the fuel-air mixture is compressed until it spontaneously ignites.

• Petrol engines use spark ignition, where a spark plug ignites the fuel-air mixture.

• Diesel engines are more fuel efficient and have higher torque, while petrol engines have higher power output and smoother operation.

• Diesel engines...read more
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Q2. What is a four-stroke engine?
Ans. 
A four-stroke engine is an internal combustion engine that completes four separate strokes (intake, compression, power, exhaust) in two crankshaft revolutions.
• Intake stroke: Fuel and air are drawn into the combustion chamber.

• Compression stroke: The fuel-air mixture is compressed by the piston.

• Power stroke: The spark plug ignites the mixture, causing an explosion that drives the piston down.

• Exhaust stroke: The piston pu...read more
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Q3. How many types of break
Ans. 
There are two main types of breaks: planned breaks and unplanned breaks.
• Planned breaks are scheduled breaks that are typically taken during designated times, such as lunch or coffee breaks.

• Unplanned breaks are unexpected interruptions in work, such as equipment malfunctions or emergencies.

• Examples: lunch break, coffee break, equipment malfunction causing downtime
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Q4. What is ABS system
Ans. 
ABS system stands for Anti-lock Braking System, a safety feature in vehicles to prevent wheels from locking up during braking.
• ABS system helps maintain steering control during emergency braking

• It prevents skidding and allows the driver to maintain control of the vehicle

• ABS system works by modulating brake pressure to individual wheels

• Commonly found in modern vehicles for enhanced safety

• Example: When braking hard on a s...read more
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Q5. What is carborator
Ans. 
A carburetor is a device in an internal combustion engine that mixes air with a fine spray of liquid fuel.
• Carburetors are used in older vehicles to control the air-fuel mixture for combustion

• They have been largely replaced by fuel injection systems in modern vehicles

• Carburetors have components such as throttle, choke, and jets to regulate fuel flow

• Examples of vehicles with carburetors include classic cars and motorcycl
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Basic mathematics and symbols

Q1. Tell about yourself, what is cathode and anode
Ans. 
Cathode is the negatively charged electrode and Anode is the positively charged electrode in an electrical circuit.
• Cathode attracts positively charged ions and electrons move towards it.

• Anode attracts negatively charged ions and electrons move away from it.

• In a battery, the anode is the electrode where oxidation occurs and the cathode is where reduction occurs.

• In electrolysis, the cathode is where reduction occurs and
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Q2. How you know about this job
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Q1. Why you choose engineering
Ans. 
I chose engineering because of my passion for problem-solving and creating innovative solutions.
• I have always been fascinated by how things work and enjoy finding solutions to complex problems.

• Engineering allows me to use my creativity and technical skills to design and build practical solutions.

• I am motivated by the opportunity to make a positive impact on society through technological advancements.

• For example, I have...read more
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Q2. Are you interested to do standing work
Ans. 
Yes, I am comfortable with standing work and have experience in similar roles.
• I have previous experience in roles that required standing for long periods of time.

• I am physically fit and able to handle the physical demands of standing work.

• I am comfortable working on my feet and understand the importance of maintaining good posture.

• I am willing to use any provided equipment or tools to make standing work more comfortabl...read more
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Q1. Tell me about yourself
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Q1. Java logical coding questions and oops concepts
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