Texmaco Rail and Engineering Technical Assistant Interview Questions and Answers

I developed a project submission on home automation system using IoT technology.

• Implemented various sensors and actuators to control and monitor home appliances remotely.

• Used Arduino and Raspberry Pi for hardware integration and programming.

• Developed a mobile application to provide user-friendly interface for controlling the home automation system.

• Implemented features like voice control, energy monitoring, and security...read more

Yes, I am interested in Kernex.

• I have a strong interest in the field of service engineering and Kernex aligns with my career goals.

• I have researched Kernex and find their products and services fascinating.

• I believe working with Kernex would provide me with valuable experience and opportunities for growth.

• I am excited about the potential to contribute to Kernex's success and make a positive impact in the industry.

Cable trays in tunnels are installed to support and protect electrical cables.

• Plan the cable tray route considering the tunnel layout and cable requirements.

• Ensure proper clearance and separation from other services in the tunnel.

• Select appropriate cable tray materials based on environmental conditions.

• Install cable tray supports securely to the tunnel walls or ceiling.

• Lay the cables in the cable tray, ensuring proper ...read more

Various tests are conducted in electrical panels to ensure their functionality and safety.

• Insulation resistance test to check for any leakage or faults

• Continuity test to ensure proper electrical connections

• Functional test to verify the operation of switches, relays, and indicators

• Overload test to assess the panel's capacity to handle excessive current

• Grounding test to ensure proper grounding and protection against elec...read more

A control diagram of a starter is a graphical representation of the electrical connections and components used to start a motor.

• A control diagram typically includes symbols for the motor, power supply, switches, relays, and other control devices.

• It shows the sequence of operation and the interconnections between different components.

• For example, a control diagram for a motor starter may include a start button, stop but...read more

Glands are used to provide a secure and watertight seal in electrical systems. Voltage drop occurs due to resistance in the electrical circuit.

• Glands are used to prevent the entry of dust, moisture, and other contaminants into electrical enclosures or equipment.

• They provide a secure and watertight seal around cables or wires, ensuring the safety and reliability of the electrical system.

• Glands are commonly used in outdo...read more

Dewatering ventilation contro pollution remove air pollution

Overload calculation involves determining the maximum load that a system can handle without causing damage or failure.

• Overload calculation is important in electrical engineering to ensure the safety and efficiency of electrical systems.

• It involves analyzing the power consumption of various components and determining if they exceed the system's capacity.

• Factors to consider include the rated power of devices, the duratio...read more

AC and DC both have their own challenges, but AC is generally considered more difficult due to its changing voltage and frequency.

• AC involves constantly changing voltage and frequency, which can be more challenging to work with compared to the steady flow of DC.

• AC circuits require additional components like capacitors and inductors to manage voltage and current fluctuations.

• DC circuits are simpler to understand and tro...read more

Answering this question is not appropriate for a professional interview.

I have extensive stringing experience in various industries.

• I have worked as a stringer in the telecommunications industry, where I was responsible for connecting cables and wires to ensure proper network connectivity.

• I have also worked as a stringer in the music industry, where I was responsible for stringing and tuning guitars for various artists.

• In addition, I have experience stringing tennis rackets and other sport...read more