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The fan motor checking process involves inspecting the motor for any issues that may affect its performance.
Check for any unusual noises coming from the motor
Inspect the motor for any signs of overheating or burning
Test the motor's electrical connections for proper voltage and current
Check the motor's bearings for any signs of wear or damage
Cooling capacity per hour is the amount of heat energy that can be removed from a space in one hour.
Cooling capacity is measured in BTUs (British Thermal Units) or tons
The size of the space being cooled and the desired temperature affect the cooling capacity needed
For example, a 1-ton AC unit can remove 12,000 BTUs of heat per hour
Calculating cooling capacity requires knowledge of the specific heat of the material bein
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I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
The refrigeration cycle is a process in which a refrigerant absorbs heat from a low-temperature area and releases it in a high-temperature area.
The refrigeration cycle starts with the refrigerant entering the compressor as a low-pressure gas.
The compressor then compresses the refrigerant, raising its temperature and pressure.
The high-pressure, high-temperature refrigerant then flows through the condenser coils, where i...
Common gases used in AC systems include refrigerants like R-410A, R-22, and R-134a.
R-410A is a popular refrigerant used in newer AC systems for its environmental friendliness and efficiency.
R-22, although being phased out due to its ozone-depleting properties, is still found in older AC units.
R-134a is commonly used in automotive air conditioning systems.
Other gases like R-407C and R-404A are also used in specific AC a
I applied via Company Website
Qualifications for railway AC technicians typically include a high school diploma or equivalent, completion of a vocational training program, and relevant certifications.
High school diploma or equivalent is usually required
Completion of a vocational training program in HVAC or related field is necessary
Relevant certifications such as EPA 608 certification may be required
Experience working with HVAC systems, especially
The main components of a transformer include the core, windings, and insulation.
Core: Provides a path for the magnetic flux and is usually made of laminated steel.
Windings: Consist of primary and secondary coils of wire wrapped around the core.
Insulation: Prevents short circuits between the windings and ensures electrical safety.
Examples: Core - laminated steel, Windings - copper wire, Insulation - varnish or paper
Cooling of transformers is essential to maintain optimal operating temperature and prevent overheating.
Cooling methods include natural convection, forced air, oil-immersed cooling, and water-cooled systems
Cooling fins or radiators are often used to increase surface area for heat dissipation
Monitoring temperature and using cooling fans or pumps can help regulate transformer temperature
Proper maintenance and regular insp...
I applied via Job Fair and was interviewed in Jan 2023. There were 3 interview rounds.
I have extensive knowledge in the process I handle.
I have been handling this process for several years now.
I have undergone training and certification in this process.
I keep myself updated with the latest developments and best practices in this process.
I have successfully implemented improvements in this process that resulted in cost savings and increased efficiency.
I have also trained and mentored new employees in thi
Yes, I have encountered misprocess in my previous job.
Misprocess can occur due to human error or system malfunction.
It can lead to delays, errors, and loss of productivity.
In my previous job, we had a misprocess where a shipment was sent to the wrong address due to a clerical error.
We had to rectify the mistake by sending another shipment to the correct address and apologizing to the customer.
To prevent misprocess, we ...
Learning from misprocess improves product quality.
Misprocess helps identify flaws in the production process.
Analyzing misprocess helps in finding solutions to improve product quality.
Learning from misprocess helps in preventing future errors and improving efficiency.
For example, if a batch of products is found to be defective, analyzing the misprocess can help identify the root cause and prevent it from happening again
I am unable to provide my salary information at this time.
Salary information is confidential and not typically disclosed during an interview.
It is best to focus on discussing skills, qualifications, and experience relevant to the technician role.
If necessary, you can mention that salary expectations can be discussed at a later stage in the hiring process.
I applied via Company Website and was interviewed in Apr 2022. There was 1 interview round.
I applied via Company Website
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