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An engine is a machine that converts fuel into mechanical energy to produce power.
An engine typically consists of cylinders, pistons, valves, and a crankshaft.
Engines can be classified into different types such as internal combustion engines, steam engines, and electric motors.
Examples of engines include gasoline engines in cars, diesel engines in trucks, and jet engines in airplanes.
A clutch is a mechanical device used to connect and disconnect the power transmission between two rotating shafts.
Clutches are commonly used in vehicles to engage and disengage the engine from the transmission to change gears.
There are different types of clutches such as friction clutches, hydraulic clutches, and electromagnetic clutches.
Clutches can be operated manually by the driver or automatically by the vehicle's ...
2 stroke engines have power strokes every revolution, while 4 stroke engines have power strokes every other revolution.
2 stroke engines have a simpler design with fewer moving parts compared to 4 stroke engines.
2 stroke engines require a fuel-oil mixture for lubrication, while 4 stroke engines have a separate oil reservoir.
2 stroke engines produce more pollution due to incomplete combustion, while 4 stroke engines are ...
Petrol engines use spark ignition, while diesel engines use compression ignition.
Petrol engines use a spark plug to ignite the fuel-air mixture, while diesel engines rely on compression to ignite the fuel.
Petrol engines are lighter and more responsive, while diesel engines are more fuel efficient and have higher torque.
Petrol engines are typically used in cars and motorcycles, while diesel engines are commonly found in
I applied via Company Website and was interviewed before Oct 2022. There were 5 interview rounds.
They are giving 50 Mark's shirt questions
Centrifugal pumps work by converting rotational kinetic energy into hydrodynamic energy to move fluid through the pump.
Centrifugal pumps use a rotating impeller to create a low pressure at the inlet and high pressure at the outlet, causing fluid to flow through the pump.
The impeller spins at high speeds, imparting kinetic energy to the fluid which is then converted to pressure energy as it exits the pump.
The pump housi...
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posted on 23 Dec 2023
Protection of transformer involves measures to prevent damage from overloads, short circuits, and other electrical faults.
Use of protective relays to detect abnormal conditions and isolate the transformer
Installation of fuses and circuit breakers to interrupt excessive currents
Regular maintenance and testing to ensure proper functioning of protective devices
Implementation of temperature monitoring and cooling systems t...
posted on 8 Sep 2023
I applied via Company Website and was interviewed before Sep 2022. There were 3 interview rounds.
Aptitude test follower by hr round
I applied via Walk-in and was interviewed in Dec 2024. There were 2 interview rounds.
Power operation and maintenance involves ensuring the efficient and safe functioning of power generation equipment.
Regular inspection and testing of power generation equipment
Performing preventive maintenance to avoid breakdowns
Troubleshooting and repairing any issues that arise
Ensuring compliance with safety regulations and standards
Monitoring energy consumption and optimizing efficiency
Training staff on proper operat
Power plant operation and maintenance involves the continuous monitoring, inspection, and repair of equipment to ensure efficient and safe functioning.
Regular monitoring of equipment performance
Scheduled inspections and maintenance activities
Prompt repairs of any faults or failures
Ensuring compliance with safety regulations
Optimizing plant efficiency through proper maintenance practices
The maximum voltage of transmission line in India is 765 kV.
The highest voltage level in India is 765 kV.
This voltage level is used for long distance transmission of electricity.
India has several high voltage transmission lines, including the Raigarh-Pugalur HVDC line.
The maximum voltage level has increased over the years, from 400 kV to 765 kV.
Higher voltage levels allow for more efficient transmission of electricity.
Various methods like V/F control, rotor resistance control, and vector control are used for speed control of induction motors.
V/F control method varies the frequency and voltage supplied to the motor to control its speed.
Rotor resistance control method involves inserting external resistance in the rotor circuit to control the speed.
Vector control method uses advanced algorithms to control the speed and torque of the mo...
I applied via Naukri.com and was interviewed in Feb 2021. There was 1 interview round.
I applied via Walk-in and was interviewed in Jul 2021. There was 1 interview round.
Bearings are mechanical components that reduce friction between moving parts.
Bearings support the load and allow for smooth rotation or linear movement.
They reduce friction and wear between moving parts.
Bearings come in various types such as ball bearings, roller bearings, and plain bearings.
Ball bearings use balls to separate the moving parts and are commonly used in applications like motors and wheels.
Roller bearings...
To identify a problem in a running machine bearing, one can listen for abnormal noises, check for excessive vibration, monitor temperature, and inspect for wear or damage.
Listen for abnormal noises such as grinding, squeaking, or knocking sounds.
Check for excessive vibration in the machine or bearing housing.
Monitor the temperature of the bearing using an infrared thermometer or thermal imaging camera.
Inspect the beari...
To identify problems in gearbox, fans, and blowers, one can perform visual inspections, listen for abnormal noises, check for vibrations, monitor temperature, and conduct performance tests.
Perform visual inspections to check for any signs of wear, damage, or leaks.
Listen for abnormal noises such as grinding, rattling, or whining sounds.
Check for vibrations in the gearbox, fans, or blowers, which may indicate misalignme...
Technical issues can be measured through various methods such as data analysis, testing, monitoring, and feedback collection.
Use data analysis to identify patterns and trends in technical issues.
Conduct testing to determine the root cause of the problem and measure its impact.
Implement monitoring systems to track the performance and behavior of the technical issue over time.
Collect feedback from users or stakeholders t...
Measuring in mm provides a more precise and accurate measurement compared to other units.
Millimeters are a smaller unit of measurement, allowing for more precise measurements.
Using mm can help avoid rounding errors that may occur with larger units like centimeters or meters.
Many mechanical components are designed and manufactured with measurements in mm for accuracy.
International standards often use mm as the preferred...
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