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Western Refrigeration Interview Questions and Answers
22 Interview questions
Brazing rods for copper joints typically range from 5% to 15% depending on the application and joint design.
Brazing rods are often made of copper-phosphorus alloys for copper to copper joints.
The percentage of brazing rod used can vary based on joint size and design.
For example, a small joint may require only 5% of the rod's weight, while larger joints may need up to 15%.
Proper selection of brazing rod is crucial ...
Brazing requires precise heating temperatures, typically between 800°F to 2000°F, depending on materials and filler used.
Brazing temperatures generally range from 800°F to 2000°F.
Common brazing alloys like silver brazing require temperatures around 1200°F.
Aluminum brazing often occurs at temperatures between 1000°F and 1300°F.
The specific temperature depends on the base metals and the type of filler material used.
N2 purging is a process used to remove contaminants from a system using nitrogen gas.
N2 purging is commonly used in welding and brazing to prevent oxidation.
It helps maintain an inert atmosphere during high-temperature processes.
For example, in brazing, N2 purging can protect the joint from atmospheric gases.
It is also used in the food industry to displace oxygen in packaging.
Soldering uses lower temperatures and softer alloys, while brazing involves higher temperatures and stronger filler metals.
Soldering typically occurs below 450°C (842°F), while brazing is done above 450°C.
Soldering uses softer alloys like tin-lead, whereas brazing uses stronger materials like brass or silver.
Soldering is often used in electronics, while brazing is common in plumbing and metalworking.
Brazing create...
Brazing requires specific pressures for PNG and oxygen to ensure effective joint formation and prevent oxidation.
PNG (Piped Natural Gas) pressure typically ranges from 5 to 30 mbar.
Oxygen pressure should be around 0.5 to 2 bar for optimal brazing.
Higher oxygen pressure can lead to excessive oxidation of the base metals.
Maintaining the correct balance of pressures ensures a clean and strong joint.
Example: A common ...
Factors for selecting a new machine include cost, efficiency, reliability, compatibility, and support.
Cost - Consider upfront cost, maintenance costs, and potential savings in the long run.
Efficiency - Look at the machine's performance and how it can improve productivity.
Reliability - Ensure the machine is durable and will not break down frequently.
Compatibility - Check if the machine integrates well with existing...
To find out a fault, a Field Service Engineer can follow these steps:
Start by gathering information about the reported issue or problem
Conduct a thorough inspection of the equipment or system
Use diagnostic tools and equipment to identify potential faults
Perform tests and measurements to narrow down the possible causes
Analyze the collected data and compare it with known patterns or benchmarks
Apply troubleshooting t...
To respond to customers as a Field Service Engineer, it is important to be attentive, empathetic, and knowledgeable.
Listen actively to the customer's concerns and issues.
Show empathy and understanding towards the customer's situation.
Provide clear and concise explanations or solutions to their problems.
Be knowledgeable about the product or service being provided.
Offer assistance and follow-up to ensure customer sa...
I chose this job as a MIG Welder for its blend of creativity, technical skill, and the satisfaction of building strong structures.
Passion for hands-on work: I enjoy working with my hands and creating tangible results.
Technical skills: MIG welding requires precision and skill, which I find fulfilling to master.
Career opportunities: The demand for skilled welders is high, offering job security and growth.
Creative pr...
I prioritize my decisions based on the impact on quality, customer satisfaction, and project deadlines.
I prioritize decisions by considering the potential impact on product quality.
I also take into account customer satisfaction and feedback when making decisions.
Project deadlines are important, so I prioritize tasks that are critical to meeting those deadlines.
I use data-driven analysis to prioritize decisions and...
Western Refrigeration Interview Experiences
38 interviews found
Anonymous
Selected
I applied via Naukri.com and was interviewed before Jun 2022. There were 2 interview rounds.
(6 Questions)
- Q1. What ae process
- Ans. CF, DF, PA, FA
- Q2. What is CTP/ CTQ
- Ans.
CTP/CTQ stands for Critical to Process/ Critical to Quality. They are key parameters that directly impact the process or product quality.
CTP/CTQ are key parameters that are critical for the success of a process or the quality of a product
Identifying and monitoring CTP/CTQ helps in ensuring that the process or product meets the desired quality standards
Examples of CTP/CTQ include temperature control in a manufacturing p...
- Q3. What is IR testing
- Ans.
IR testing stands for Infrared testing, a non-destructive testing method used to detect defects or anomalies in materials.
IR testing uses infrared radiation to detect temperature differences in materials
It is commonly used in electrical inspections to identify hot spots in circuits
IR testing can also be used in building inspections to detect moisture or insulation issues
- Q4. What is heat exchanger
- Ans.
A heat exchanger is a device used to transfer heat between two or more fluids, typically to cool or heat a process stream.
Heat exchangers can be found in various applications such as HVAC systems, refrigeration units, and chemical processing plants.
They work by allowing heat to transfer from one fluid to another without the fluids mixing.
Common types of heat exchangers include shell and tube, plate, and finned tube exc...
- Q5. What is brazing process and CTP/CTQ
- Ans.
Brazing process involves joining metals using a filler metal that melts above 450°C. CTP/CTQ stands for Critical to Process/Critical to Quality.
Brazing is a metal-joining process where a filler metal is melted and distributed between two or more close-fitting parts by capillary action.
The filler metal has a melting point above 450°C but below the melting point of the base metals being joined.
CTP/CTQ are key parameters ...
- Q6. Parameters of run test and performance test
- Ans.
Run test and performance test parameters are essential for evaluating system performance.
Run test measures how a system performs under normal conditions.
Performance test evaluates system performance under stress or heavy load.
Parameters include response time, throughput, CPU usage, memory usage, etc.
Examples of tools for performance testing: JMeter, LoadRunner, Apache Bench.
Interview Preparation Tips
- Over all process quality
HE IS VERY GOOD AND SUPPORTIVE IN NATURE. IF YOU SHOW YOUR CONFIDENCE THEN 100% SELECTION
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What are the factor for selcting new machine
- Ans.
Factors for selecting a new machine include cost, efficiency, reliability, compatibility, and support.
Cost - Consider upfront cost, maintenance costs, and potential savings in the long run.
Efficiency - Look at the machine's performance and how it can improve productivity.
Reliability - Ensure the machine is durable and will not break down frequently.
Compatibility - Check if the machine integrates well with existing syst...
- Q2. Power consumption in Injection Moulding machine per hour cost.
- Ans.
The power consumption in an Injection Moulding machine per hour directly impacts operational costs.
Power consumption is typically measured in kilowatt-hours (kWh) per hour.
The cost of power per kWh varies depending on location and energy provider.
Factors affecting power consumption include machine size, cycle time, and efficiency.
Regular maintenance and optimization can help reduce power consumption and costs.
Example: ...
(2 Questions)
- Q1. Family background
- Q2. CTC Discussion
israfil sah
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Main operator maintenance
- Q2. What has been your experience as a refrigeration plant operator and maintenance in-charge over the past 12 years?
- Ans.
Over 12 years, I have managed refrigeration operations, ensuring efficiency and compliance while leading maintenance teams.
Managed daily operations of refrigeration systems in a large facility, ensuring optimal performance and energy efficiency.
Conducted regular maintenance checks and troubleshooting, reducing downtime by 30% through proactive measures.
Implemented a training program for new operators, enhancing team sk...
- Q3. 2013 se 2025 Tak
- Q4. MK overseas private limited dera bassi Punjab 5 years federal agroha foods frozen private limited dear bassi Punjab 4 yours Mera export private limited ladnu Punjab 3 yours
- Q5. Mera resume hai mere pass
Rohit Kumar Singh
Selected
I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.
The aptitude test consisted of five sections: mathematics, general aptitude, general knowledge, professional course questions, and essay writing.
(1 Question)
- Q1. Introduce about yourself
- Ans.
I am a recent graduate with a degree in Business Administration and a passion for marketing and project management.
Graduated with a Bachelor's degree in Business Administration
Passionate about marketing and project management
Completed internships at marketing agencies
Strong communication and organizational skills
(1 Question)
- Q1. Technical question about refrigeration cycle
Selected
I appeared for an interview in Nov 2024.
(2 Questions)
- Q1. Professional background ask by hr team
- Q2. And qualifications background.
Basic from question from your branch related
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Aug 2023. There were 2 interview rounds.
(5 Questions)
- Q1. ELECTRO TECHNICAL
- Q2. ELECTRICAL engineering
- Q3. TECHNICAL ENGINEERING
- Q4. ETO ELECTRO TECHNICAL
- Q5. RANK ETO ELECTRO TECHNICAL OFFICER TRAINING
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Jun 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Where do you work right now
- Q2. What is salary and current ctc
(2 Questions)
- Q1. Refrigeratation cycle details
- Ans.
Refrigeration cycle is a thermodynamic process used in refrigerators and air conditioners to transfer heat from a low temperature reservoir to a high temperature reservoir.
The refrigeration cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.
The refrigerant absorbs heat from the indoor air in the evaporator, then it is compressed by the compressor to increase its temperature a...
- Q2. How you priotize your dicision
- Ans.
I prioritize my decisions based on the impact on quality, customer satisfaction, and project deadlines.
I prioritize decisions by considering the potential impact on product quality.
I also take into account customer satisfaction and feedback when making decisions.
Project deadlines are important, so I prioritize tasks that are critical to meeting those deadlines.
I use data-driven analysis to prioritize decisions and focu...
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Nov 2023. There was 1 interview round.
(1 Question)
- Q1. Refrigeration cycle process
Selected
I applied via Company Website and was interviewed before Apr 2023. There was 1 interview round.
(4 Questions)
- Q1. What is refrigeration
- Q2. Is mechanical refrigeration process
- Q3. What is compressor
- Q4. Gas pumping through copper tubes
Interview Preparation Tips
- Smart Worker
- Best
(1 Question)
- Q1. What is relay and theirs working steps What is sensor
- Ans.
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.
Relays are used to control high power or high voltage circuits with a low power signal.
They consist of an electromagnet, a set of contacts, and a spring.
When the coil of the electromagnet is energized, it creates a magnetic field that attracts the contacts, closing the circuit.
When the coil is de-energized...
Ammu Haritha
(2 Questions)
- Q1. Mig welding create new model
- Ans.
MIG welding can be used to create new models by joining metal pieces together using an electric arc and a consumable wire electrode.
MIG welding is a versatile process used in various industries such as automotive, construction, and manufacturing.
It allows for precise and efficient joining of metal components.
By adjusting the welding parameters, different models and structures can be created.
For example, MIG welding can...
- Q2. Wat is choose this job
- Ans.
I chose this job as a MIG Welder for its blend of creativity, technical skill, and the satisfaction of building strong structures.
Passion for hands-on work: I enjoy working with my hands and creating tangible results.
Technical skills: MIG welding requires precision and skill, which I find fulfilling to master.
Career opportunities: The demand for skilled welders is high, offering job security and growth.
Creative problem...
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Western Refrigeration Interview FAQs
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Western Refrigeration Interviews By Designations
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Quality Engineer
102
salaries
|  ₹2.8 L/yr - ₹5.5 L/yr |
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Production Engineer
102
salaries
| ₹2.2 L/yr - ₹6.3 L/yr |
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Assistant Manager
73
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| ₹4.8 L/yr - ₹11.2 L/yr |
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Engineer
63
salaries
| ₹3 L/yr - ₹6.5 L/yr |
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Quality Inspector
51
salaries
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