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Kirloskar Oil Engines
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I applied via Campus Placement and was interviewed in Nov 2022. There were 3 interview rounds.
Machine design, CAD, Strength of Machines
Thermodynamic processes are various ways in which energy can be transferred to or from a system.
Isothermal process: constant temperature
Adiabatic process: no heat transfer
Isobaric process: constant pressure
Isochoric process: constant volume
Examples: carnot cycle, rankine cycle, stirling cycle
Factor of safety is the ratio of the maximum stress a material can withstand to the actual stress it is subjected to.
It is used to ensure the safety and reliability of a design.
It is calculated by dividing the ultimate strength of a material by the maximum stress it is expected to experience.
A higher factor of safety indicates a more reliable design.
Factors of safety vary depending on the application and industry.
For e...
Entropy is a measure of disorder or randomness in a system.
Entropy increases with time in a closed system
A messy room has higher entropy than a clean room
Melting of ice is an example of increase in entropy
Burning of wood is another example of increase in entropy
Otto cycle is a four-stroke combustion cycle used in spark-ignition engines.
It consists of four processes: intake, compression, power, and exhaust.
During the intake stroke, the fuel-air mixture is drawn into the cylinder.
In the compression stroke, the mixture is compressed to a high pressure and temperature.
The power stroke is where the spark plug ignites the mixture, causing it to expand and push the piston down.
Final...
A flywheel is a mechanical device used in engines to store rotational energy and smooth out fluctuations in engine speed.
Flywheels are typically made of steel or aluminum and are attached to the engine's crankshaft.
They store energy during the power stroke and release it during the compression stroke to keep the engine running smoothly.
Flywheels are also used in hybrid vehicles to store energy from regenerative braking...
Flywheel, crankcase, and AVM pre filter are components used in internal combustion engines.
Flywheel stores rotational energy and helps maintain engine speed during power strokes.
Crankcase houses the crankshaft and other engine components.
AVM pre filter is used to remove larger particles from the air before it enters the engine.
These components are essential for the proper functioning of internal combustion engines.
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I applied via Walk-in and was interviewed in Oct 2024. There was 1 interview round.
Casting solidification time is the duration it takes for molten metal to solidify in a casting process.
Casting solidification time depends on factors like material type, mold temperature, and casting geometry.
Higher pouring temperatures generally result in shorter solidification times.
Thicker sections of the casting will take longer to solidify compared to thinner sections.
Aluminum alloys typically have shorter solidif
Casting design considerations include material selection, part geometry, draft angles, surface finish, and shrinkage.
Material selection is crucial for the desired properties and performance of the final part.
Part geometry should be designed to minimize stress concentrations and ensure proper flow of molten metal.
Draft angles are necessary for easy removal of the part from the mold.
Surface finish requirements should be ...
CAD test-Housing model
I applied via Walk-in and was interviewed in Mar 2024. There was 1 interview round.
CT current can be calculated by dividing the primary current by the turns ratio of the current transformer.
CT current = Primary current / Turns ratio
Primary current is the current flowing through the primary conductor
Turns ratio is the ratio of the number of turns in the primary winding to the number of turns in the secondary winding
Lockout is a safety procedure used to ensure that machinery or equipment is properly shut off and cannot be restarted until maintenance or servicing is completed.
Lockout involves isolating energy sources to prevent accidental startup.
Lockout devices like padlocks and tags are used to physically lock equipment.
Lockout procedures must be followed to prevent accidents and injuries.
Examples of lockout include locking out e...
IP65 for panel refers to the level of protection against dust and water ingress.
IP65 rating means the panel is dust tight and protected against water jets from any direction.
The first digit '6' indicates the level of protection against solid objects like dust.
The second digit '5' indicates the level of protection against water ingress.
Commonly used in outdoor or industrial applications where the panel may be exposed to...
TCS and Master Trip Relay are protective devices used in electrical systems to prevent damage during faults.
TCS stands for Time Current Characteristic Relay, which operates based on the relationship between time and current to trip the circuit breaker during faults.
Master Trip Relay is a relay that receives signals from various protective relays and initiates a trip signal to disconnect the circuit in case of a fault.
B...
LSC 2A and LSC 2B are standards for lighting in commercial and industrial buildings.
LSC 2A and LSC 2B are part of the Lighting Power Density (LPD) requirements in building codes.
LSC 2A is for commercial buildings while LSC 2B is for industrial buildings.
They specify the maximum allowable power consumption for lighting per unit area in a building.
For example, LSC 2A may require a maximum LPD of 0.9 watts per square foot
REF protection is used to prevent damage to equipment from electrical faults. High impedance protection is used for sensitive equipment, while low impedance protection is used for power systems.
REF protection is used to detect ground faults and prevent damage to equipment.
High impedance protection is used for sensitive equipment that requires high accuracy and low fault currents.
Low impedance protection is used for pow...
ANSI codes are used to identify various types of protection devices in electrical systems.
ANSI code 50/51 is for instantaneous overcurrent protection
ANSI code 67 is for directional power protection
ANSI code 87 is for differential protection
ANSI code 59 is for overvoltage protection
Steam engineering knowledge on steam products
Steam engineering involves the design, operation, and maintenance of systems that utilize steam for various industrial applications.
Involves designing steam systems for power generation, heating, and industrial processes
Requires knowledge of thermodynamics, fluid mechanics, and heat transfer
Includes maintenance of boilers, steam turbines, and piping systems
Examples: steam power plants, steam heating systems in building
posted on 16 May 2024
I applied via Walk-in
posted on 18 Aug 2023
I applied via Approached by Company and was interviewed in Feb 2024. There were 2 interview rounds.
Was asked for drafting support
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
based on 2 interviews
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