VRVS Electrical Solutions Interview Questions, Process, and Tips

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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Q1. Apne esa phala kya kam karta tha
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Q2. Apka kya name hai
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Q1. Apko kaisa job ke bara pata chala
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Q2. Skills kya hai apka pass Jo apko mai lu
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Q1. Esa phala kaha kam Keya ho
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Q1. Jaha kam karta tha uha kya kam tha
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Q2. Kam ke basic jankari
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Q1. Apko es company ke bara Mai kya pata hai
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Just an simple question to check out your observations skills.

Q1. Can you describe your previous projects and your roles and responsibilities in them?
Ans. 
I have managed various projects in IT sector, overseeing project planning, execution, and delivery.
• Led a team in implementing a new software system for a client, ensuring project milestones were met on time and within budget

• Coordinated with stakeholders to gather requirements and create project plans

• Monitored project progress, identified risks, and implemented mitigation strategies

• Communicated regularly with team membe...read more
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Q1. Salary negotiations
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Q1. What is Three phase wire colour code
Ans. 
Three phase wire colour code is a standard set of colors used to identify the different phases in a three-phase electrical system.
• In North America, the standard color code for three-phase wires is black, red, and blue.

• In Europe and most other parts of the world, the standard color code is brown, black, and gray.

• The purpose of the color code is to easily identify the different phases and ensure proper connection and saf
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Q2. What is Rectifier
Ans. 
A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).
• Converts AC to DC

• Used in power supplies and electronic devices

• Types include half-wave, full-wave, and bridge rectifiers

• Diodes are commonly used in rectifiers
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Q3. What is transformer
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to a power source, creating a magnetic field when current flows through it.

• This magnetic field induces a voltage in the secondary coil, transferring energy from the primary to the second...read more
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Q4. What is Capacitor
Ans. 
A capacitor is an electronic component that stores and releases electrical energy.
• Capacitors are used to filter out noise in electronic circuits.

• They can store energy and release it quickly when needed.

• Capacitors are commonly used in power supplies, audio equipment, and electronic devices.

• Examples include ceramic capacitors, electrolytic capacitors, and tantalum capacitors.
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Q5. What is kritch of law
Ans. 
Kritch of law refers to a legal principle or rule that is considered outdated or no longer relevant.
• Kritch of law may refer to a law that is no longer enforced or followed due to changes in society or legal interpretation

• It can also refer to a legal principle that is widely criticized or considered unjust

• Examples include laws prohibiting certain outdated practices or beliefs, such as witchcraft trials or dueling
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Q6. What is motor and Generater
Ans. 
A motor is a device that converts electrical energy into mechanical energy, while a generator is a device that converts mechanical energy into electrical energy.
• Motor: Converts electrical energy into mechanical energy (e.g. electric fan)

• Generator: Converts mechanical energy into electrical energy (e.g. hydroelectric power plant)
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Q1. What is the Plc ?
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Q2. What is robot and its application?
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Q1. Explain about your project
Ans. 
Developed a mobile app for tracking daily water intake and setting hydration goals.
• Designed user-friendly interface for inputting water consumption

• Implemented notifications to remind users to drink water throughout the day

• Integrated with health tracking apps to provide comprehensive health data

• Analyzed user feedback to continuously improve app features
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Q2. What difference between humidity and relative humidity
Ans. 
Humidity is the amount of water vapor present in the air, while relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount the air can hold at a specific temperature.
• Humidity is the actual amount of water vapor in the air, while relative humidity is expressed as a percentage.

• Relative humidity changes with temperature, while humidity does not.

• For example, if the air temperature ...read more
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Q3. WHAT IS BOILER AND STATE IT APPLICATIONS
Ans. 
A boiler is a closed vessel in which water or other fluid is heated. It is used for heating, power generation, and processing.
• Boilers are commonly used for heating buildings and providing hot water.

• They are also used in power plants to generate electricity.

• Boilers are used in industrial processes such as food processing, chemical production, and textile manufacturing.

• Different types of boilers include fire-tube boilers
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Q4. IF PRESSURE REDUCES IT BOILING POINT?
Ans. 
Yes, pressure affects the boiling point of a substance.
• Pressure and boiling point have an inverse relationship - as pressure increases, boiling point increases and vice versa.

• For example, water boils at a higher temperature in a pressure cooker due to the increased pressure inside.

• Conversely, water boils at a lower temperature at higher altitudes where the atmospheric pressure is lower.
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Q5. WHAT IS MODULUS OF RIGIDITY
Ans. 
Modulus of rigidity is a measure of a material's stiffness in shear deformation.
• Modulus of rigidity is also known as shear modulus.

• It is defined as the ratio of shear stress to shear strain within the elastic limit.

• It is denoted by the symbol G.

• It is an important property in the study of material mechanics.

• Example: Steel has a high modulus of rigidity, making it stiff in shear deformation.
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