JCB Interview Questions, Process, and Tips

The OLTC (On-Load Tap Changer) in a transformer is typically connected to the high voltage side.

• OLTC is connected to the high voltage winding of the transformer

• It allows for tap changing while the transformer is energized

• The low voltage side remains fixed while the high voltage side can be adjusted

Yes, OLTC is always connected in the HT voltage side.

• OLTC stands for On-Load Tap Changer.

• It is a device used in electrical power transformers to regulate the voltage level.

• OLTC is typically connected on the high voltage (HT) side of the transformer.

• It allows for tap changing while the transformer is energized and under load.

• By changing the tap position, the OLTC can adjust the transformer's output voltage.

• This helps to...read more

UV coil is a component used in HVAC systems to disinfect air by emitting ultraviolet light.

• UV coil is installed in the air handling unit of HVAC systems.

• It emits ultraviolet light to kill or deactivate microorganisms like bacteria, viruses, and mold spores.

• UV light damages the DNA and RNA of these microorganisms, preventing them from reproducing.

• UV coil helps improve indoor air quality by reducing the presence of harmf...read more

UV Coil provides protection against over voltage and under voltage.

• UV Coil is a device used in electrical systems to protect against voltage fluctuations.

• It monitors the voltage levels and activates when the voltage exceeds or falls below the specified limits.

• When the voltage exceeds the upper limit, the UV Coil disconnects the power supply to prevent damage to the equipment.

• Similarly, when the voltage falls below the ...read more

I enjoy the problem-solving aspect of the job and the satisfaction of fixing things.

• Problem-solving: I enjoy the challenge of diagnosing and troubleshooting issues with machinery and equipment.

• Hands-on work: I find satisfaction in using my skills and knowledge to physically repair and maintain equipment.

• Variety: Every day brings new challenges and tasks, which keeps the job interesting.

• Teamwork: Collaborating with coll...read more

Potential risks in repair and maintenance work include electrical hazards, falls, exposure to hazardous substances, and equipment malfunctions.

• Electrical hazards: Working with live wires or faulty electrical systems can lead to electric shocks or fires.

• Falls: Working at heights or on unstable surfaces can result in slips, trips, or falls.

• Exposure to hazardous substances: Repairing or maintaining equipment may involve h...read more

Skills required for maintenance and repair workers include mechanical aptitude, problem-solving, and attention to detail.

• Mechanical aptitude and knowledge of tools and equipment

• Problem-solving and critical thinking skills

• Attention to detail and ability to follow instructions

• Physical stamina and strength

• Good communication and teamwork skills

• Examples: repairing machinery, troubleshooting electrical systems, performing ro

Maintenance and repair workers are responsible for fixing and maintaining equipment and machinery.

• Performing routine maintenance on equipment and machinery

• Diagnosing and repairing mechanical, electrical, and hydraulic issues

• Replacing faulty parts and components

• Maintaining and repairing building systems such as HVAC and plumbing

• Keeping accurate records of maintenance and repairs

• Following safety procedures and regulation...read more

To become a general maintenance worker, one can start by obtaining a high school diploma or GED and gaining experience through on-the-job training or vocational school.

• Obtain a high school diploma or GED

• Gain experience through on-the-job training or vocational school

• Develop skills in areas such as plumbing, electrical work, carpentry, and HVAC

• Obtain certifications in relevant areas such as OSHA safety, welding, or refr...read more

Alternate sourcing is the process of identifying and selecting alternative suppliers for goods or services.

• Identify the need for alternate sourcing

• Research and identify potential alternative suppliers

• Evaluate the potential suppliers based on quality, cost, and delivery

• Negotiate terms and conditions with the selected supplier

• Implement the new sourcing strategy and monitor performance

• Maintain relationships with both prim