Prama Hikvision India Production Engineer 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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Q1. What are you know about Hook's law
Ans. 
Hook's law states that the force needed to extend or compress a spring by a certain distance is directly proportional to that distance.
• Describes the relationship between force and extension/compression of a spring

• Mathematically represented as F = kx, where F is the force, k is the spring constant, and x is the displacement

• Used in various fields such as engineering, physics, and material science
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Q1. Zeroth law of thermodynamics
Ans. 
The zeroth law of thermodynamics states that if two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other.
• States that temperature is a fundamental property of matter

• Implies the existence of a temperature scale

• Used to define the concept of temperature equilibrium

• Helps in understanding the transfer of heat between systems
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Q2. Principal of auto cycle engine
Ans. 
The principal of an auto cycle engine is based on the four-stroke cycle of intake, compression, power, and exhaust.
• Auto cycle engines operate on the principle of converting chemical energy from fuel into mechanical energy.

• The four-stroke cycle includes intake of air and fuel, compression of the mixture, ignition and combustion, and exhaust of the waste gases.

• This cycle repeats continuously to generate power and drive t...read more
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About Mitsubishi electric automotive India

About leadership and quality

Q1. Protection supervisor
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Q2. Line leadership
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Q1. OEE ,Tact time, Cycle time study
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Q1. TPS activities,7waste
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A detailed analysis fo a person or group from a social or psychological or medical point of view

The act of putting a person in to anon elective position_appointment, designation, naming

Q1. Neun plural, verb past tense, verb present participle, verb president tense
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Discussion group, farmers discussion group

Q1. Experience of previous company
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