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Ingersoll Rand
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I applied via Naukri.com and was interviewed before Nov 2023. There was 1 interview round.
Air compressor works by compressing air to increase its pressure, which can then be used for various applications.
Air is drawn into the compressor through an intake valve
The air is then compressed using a piston or rotating impeller
Compressed air is stored in a tank or released directly for use
Examples include pneumatic tools, HVAC systems, and industrial processes
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posted on 20 Dec 2021
I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.
The compressor installation and commissioning procedure involves several steps to ensure proper functioning and efficiency.
Prepare the site for installation by ensuring a suitable foundation and proper ventilation.
Position the compressor unit and connect it to the power supply.
Install the necessary piping and connections for air intake and discharge.
Check and adjust the oil level and ensure proper lubrication.
Perform a...
Compressor testing standards ensure the quality and performance of compressors.
Compressor testing standards vary depending on the type of compressor and its intended use.
Some common testing standards include ASME PTC 10 for centrifugal compressors and API 617 for axial and centrifugal compressors.
Testing may include performance testing, vibration testing, and noise testing.
Compressor manufacturers may also have their o...
I will implement a robust inventory management system with real-time tracking and forecasting.
Implement a centralized inventory management system
Track inventory levels in real-time
Forecast demand and adjust inventory levels accordingly
Maintain good relationships with suppliers to ensure timely delivery
Regularly review inventory data to identify trends and make informed decisions
Implement a system for returns and exchan...
Warranty claim procedure is the process of making a claim for repair or replacement of a product covered under warranty.
The customer contacts the manufacturer or seller to initiate the claim process.
The customer provides proof of purchase and details of the issue with the product.
The manufacturer or seller may request additional information or inspection of the product.
If the claim is approved, the manufacturer or sell...
Checkpoints before first start of machine
Inspect machine for any damage or missing parts
Ensure all safety guards and devices are in place and functioning properly
Check oil and fluid levels and fill as necessary
Verify proper electrical connections and grounding
Perform a test run to ensure proper operation
Train operators on safe and proper use of the machine
To check vibration of airend, use a vibration meter at specific points. Standard varies by manufacturer. Allowable vibration value depends on machine type and application.
Use a vibration meter to check vibration of airend
Check vibration at specific points as per manufacturer's instructions
Standard for allowable vibration varies by manufacturer
Allowable vibration value depends on machine type and application
The key elements of airend are rotors, bearings, seals, and housing. The gap between screw elements should be 0.1-0.3mm.
Airend consists of rotors, bearings, seals, and housing.
Rotors are the main components that compress the air.
Bearings support the rotors and reduce friction.
Seals prevent air leakage and maintain efficiency.
Housing encloses the airend and provides structural support.
The gap between screw elements shou
Check refrigerant level, condenser coil, fan motor, and thermostat.
Check refrigerant level and add if necessary.
Clean condenser coil and ensure proper airflow.
Check fan motor for proper functioning.
Check thermostat and adjust if necessary.
The check points to resolve the issue of a compressor tripping with high ampere.
Check the electrical connections for loose or damaged wires
Inspect the compressor motor for any signs of overheating or damage
Verify that the compressor is receiving the correct voltage
Check the refrigerant levels and ensure they are within the specified range
Inspect the condenser coils for any blockages or dirt buildup
Check the compressor'...
Parameters to check during compressor testing
Check the suction and discharge pressure
Check the oil level and quality
Check the motor amperage and voltage
Check for any abnormal noise or vibration
Check the refrigerant charge level
Check the condenser and evaporator coils for cleanliness
Check the compressor's temperature
Check the compressor's oil pressure
Check the compressor's discharge temperature
Low gas pressure can lead to various issues like inefficient operation or equipment failure. Corrective actions include checking for leaks, adjusting regulators, and ensuring proper ventilation.
Check for leaks in the gas system
Adjust regulators to increase gas pressure
Ensure proper ventilation for gas combustion
Inspect gas supply lines for blockages or restrictions
Verify that gas appliances are functioning properly
I have 5 years of experience in the field and my current total CTC is $60,000.
5 years of experience in service engineering
Current total CTC is $60,000
Experience includes troubleshooting, maintenance, and repair of equipment
I applied via campus placement at North Calcutta Polytechnic, Kolkata and was interviewed in May 2023. There were 5 interview rounds.
It is along with technical written
A topic they will given to us and we should talk it about 1 min
A diode is an electronic component that allows current to flow in one direction and blocks it in the opposite direction.
Diodes are made of semiconductor materials, such as silicon or germanium.
They have two terminals: an anode (positive terminal) and a cathode (negative terminal).
When a diode is forward-biased, it allows current to flow through it.
When a diode is reverse-biased, it blocks the current.
Diodes are commonl...
A diode is a two-terminal electronic component that allows current to flow in one direction and blocks it in the opposite direction.
A diode has an anode and a cathode terminal.
It is represented by a triangle with a line at the base.
The arrowhead of the triangle points towards the cathode terminal.
The line at the base represents the anode terminal.
The symbol of a diode is often accompanied by its part number or label.
Conductor, insulator, and semiconductor are materials with different electrical conductivity properties.
Conductor: Materials that allow the flow of electric current easily. Examples: copper, aluminum.
Insulator: Materials that do not allow the flow of electric current. Examples: rubber, glass.
Semiconductor: Materials with intermediate conductivity. Examples: silicon, germanium.
posted on 16 Apr 2024
I applied via Referral and was interviewed before Apr 2023. There was 1 interview round.
Pumps, fans, gearboxes, compressors, motors, and generators are essential components in various mechanical systems.
Pumps are used to move fluids, such as water or oil, through a system.
Fans are used to create airflow for cooling or ventilation purposes.
Gearboxes are used to transmit power from one component to another at different speeds or torques.
Compressors are used to increase the pressure of a gas, such as in air ...
Data collection process involves gathering, recording, and storing information for analysis and decision-making.
Identify the data needed for analysis
Determine the method of data collection (surveys, interviews, observations, etc.)
Collect data using appropriate tools and techniques
Ensure data accuracy and reliability
Store data securely for future reference
Analyze collected data to draw conclusions and make decisions
Condition monitoring of tools involves regularly checking and analyzing the performance and health of tools to prevent breakdowns.
Regularly inspect tools for signs of wear and tear
Use sensors to monitor tool performance in real-time
Analyze data collected to predict potential failures
Implement preventive maintenance based on monitoring results
posted on 14 Oct 2023
I applied via Newspaper Ad and was interviewed before Oct 2022. There was 1 interview round.
First Angle Projection and Third Angle Projection can be distinguished by the position of the object and the projection planes.
First Angle Projection places the object in the first quadrant and the projection planes are placed between the object and the observer.
Third Angle Projection places the object in the third quadrant and the projection planes are placed behind the object.
In First Angle Projection, the views are ...
The choice between hole standard system and shaft standard system depends on the specific requirements and constraints of the engineering project.
Hole standard system: Uses a fixed hole size and allows for variation in the shaft size. It is commonly used in applications where the hole is critical, such as bearings or press fits.
Shaft standard system: Uses a fixed shaft size and allows for variation in the hole size. It...
No, the employee should not be allowed to take duty after consuming alcohol.
Allowing an employee to work after consuming alcohol can pose serious safety risks.
Alcohol impairs judgment, coordination, and reaction time, which are crucial for a service engineer's job.
It can lead to accidents, errors, and compromised customer service.
The company should have a clear policy on alcohol consumption and enforce it consistently.
...
An accident is an unexpected and undesirable event that causes harm or damage. Precautions to prevent accidents include proper training, following safety protocols, and maintaining equipment.
Accidents are events that occur unexpectedly and result in harm or damage.
Preventing accidents involves taking precautions and following safety measures.
Proper training is essential to ensure employees are aware of potential hazard...
Types of fire include Class A, B, C, D, and K. Fire protection measures include fire extinguishers, sprinkler systems, and fire alarms. Assembling points are designated safe areas during emergencies.
Types of fire: Class A (ordinary combustibles), Class B (flammable liquids), Class C (electrical fires), Class D (flammable metals), and Class K (cooking oils and fats)
Fire protection measures: fire extinguishers, sprinkler...
I would immediately follow the company's bomb threat protocol and notify the appropriate authorities.
Remain calm and composed
Follow the company's bomb threat protocol
Notify the office management or security team
Evacuate the office if instructed to do so
Cooperate fully with law enforcement agencies
Do not touch any suspicious objects or packages
posted on 12 Jan 2022
I applied via Referral and was interviewed in Dec 2021. There was 1 interview round.
To increase engine torque, you can optimize the air-fuel mixture, increase the engine displacement, or enhance the exhaust system.
Optimize the air-fuel mixture by adjusting the fuel injection timing and air intake
Increase the engine displacement by using a larger bore or longer stroke
Enhance the exhaust system by installing a high-flow catalytic converter or performance headers
Pumps are mechanical devices used to move fluids by creating pressure.
Pumps work by converting mechanical energy into fluid energy.
They use impellers or rotors to create centrifugal force or positive displacement to move fluids.
Different types of pumps include centrifugal pumps, positive displacement pumps, and reciprocating pumps.
Examples of pumps include water pumps, fuel pumps, and hydraulic pumps.
I applied via Naukri.com and was interviewed in Jun 2020. There was 1 interview round.
Yes, I have worked on HHP Engines.
HHP stands for High Horsepower.
HHP Engines are commonly used in heavy-duty applications such as mining, construction, and marine industries.
Power ratings of HHP Engines can vary depending on the specific model and application.
For example, the Caterpillar C175-20 HHP Engine has a power rating of up to 4000 horsepower.
Other HHP Engines may have power ratings ranging from 1000 to 5000 hor
Engine derate refers to the reduction in engine power output due to various factors.
It can be caused by high altitude, high temperature, or poor fuel quality.
Derating can be temporary or permanent depending on the cause.
It is a safety feature that prevents engine damage and ensures reliable operation.
Derating can be indicated by warning lights or reduced performance.
Proper maintenance and monitoring can help prevent en
Turbocharger increases engine power by compressing air and increasing oxygen supply. Boost pressure improves engine performance.
Turbocharger is a device that uses exhaust gases to compress air and deliver it to the engine
It increases the density of air entering the engine, allowing more fuel to be burned and increasing power output
Boost pressure refers to the amount of pressure above atmospheric pressure that the turbo...
A lubrication system diagram shows the flow of oil or grease through the engine or machinery.
The diagram typically includes a pump, filter, oil cooler, and various lines and fittings.
It may also show the location of oil pressure sensors and switches.
The diagram can help identify potential issues with the lubrication system, such as blockages or leaks.
Examples of lubrication system diagrams can be found in service manua
The torque on cylinder head depends on the make and model of the engine.
The torque specification can be found in the engine manual.
It is important to use a torque wrench to ensure proper torque.
Over-tightening can cause damage to the engine, while under-tightening can cause leaks.
Different engines may have different torque specifications for the same cylinder head.
The torque may also vary depending on the type of bolts
A battery is a device that stores chemical energy and converts it into electrical energy. Charging circuit is used to replenish the energy in the battery.
A battery is composed of one or more electrochemical cells that convert stored chemical energy into electrical energy.
The charging circuit is responsible for supplying the necessary electrical current to reverse the chemical reactions within the battery and restore it...
I applied via Naukri.com and was interviewed in Aug 2019. There were 5 interview rounds.
Refrigeration is the process of removing heat from a substance or space to lower its temperature.
Refrigeration is used in various industries such as food preservation, medicine, and air conditioning.
It involves the use of refrigerants, which are substances that can absorb and release heat.
The process of refrigeration involves compressing the refrigerant, condensing it into a liquid, and then expanding it to evaporate a...
1 ton refrigeration is the amount of heat required to melt one ton of ice in 24 hours.
1 ton refrigeration is equal to 12,000 BTU/hr or 3.517 kW.
It is a unit of measurement used to describe the cooling capacity of a refrigeration system.
For example, a 2 ton refrigeration system can remove twice as much heat as a 1 ton system.
The term 'ton' in 1 ton refrigeration refers to the amount of heat required to melt one ton of i...
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Design Engineer
144
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| ₹3.4 L/yr - ₹11.7 L/yr |
Senior Engineer
49
salaries
| ₹7 L/yr - ₹17.5 L/yr |
Senior Design Engineer
48
salaries
| ₹5 L/yr - ₹16 L/yr |
Sales Manager
45
salaries
| ₹9.3 L/yr - ₹22 L/yr |
Technical Lead
41
salaries
| ₹11 L/yr - ₹27.3 L/yr |
Siemens
Schneider Electric
Emerson Electric Co.
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