TRAGS Engineering & Construction Instrumentation Technician Interview Questions and Answers

Rile, or relay, is an electrical device that controls circuits. It comes in various types for different applications.

• Rile is used to control high voltage circuits with low voltage signals.

• Types include electromagnetic relays, solid-state relays, and thermal relays.

• Electromagnetic relays use an electromagnet to open/close contacts.

• Solid-state relays use semiconductor devices for switching, offering faster response times...read more

Rile link is a term used in electrical systems to describe a connection that allows for the flow of current.

• Rile link connects different electrical components, ensuring proper current flow.

• It can be found in circuit boards, linking resistors, capacitors, and other elements.

• For example, in a lighting circuit, the rile link connects the switch to the light fixture.

AI stands for Artificial Intelligence, while AO refers to Administrative Officer in various contexts.

• AI (Artificial Intelligence) involves machine learning and automation.

• Example of AI: Virtual assistants like Siri or Alexa.

• AO (Administrative Officer) is a role in organizations responsible for administrative tasks.

• Example of AO: An Administrative Officer in a school managing records and schedules.

Diode (Di) and diode (do) are electronic components that allow current to flow in one direction, crucial for circuits.

• Diode (Di) is a semiconductor device that allows current to flow in one direction.

• Example: Used in rectifiers to convert AC to DC.

• Diode (do) refers to the same component but may be used in different contexts.

• Common types include Zener diodes for voltage regulation.

Three-phase voltage is a type of electrical power transmission that utilizes three alternating currents.

• Three-phase voltage consists of three alternating currents that are 120 degrees out of phase with each other.

• It is commonly used in industrial and commercial applications for its efficiency and power distribution capabilities.

• The voltage levels for three-phase systems can vary depending on the application, with commo...read more

The process for entering single-phase voltage involves connecting the voltage source to the load through a single conductor.

• Connect the single-phase voltage source to the load through a single conductor

• Ensure proper insulation and grounding for safety

• Check the voltage level using a multimeter before connecting the load

• Make sure the load is compatible with the voltage rating

Light is electromagnetic radiation visible to the human eye, enabling sight and influencing various biological processes.

• Light travels in waves and can be described by its wavelength and frequency.

• It can be natural, like sunlight, or artificial, like incandescent bulbs.

• Light plays a crucial role in photosynthesis, allowing plants to convert sunlight into energy.

• Different colors of light have different wavelengths; for ...read more

Electrical safety refers to practices and precautions taken to prevent electrical hazards and accidents.

• Ensuring all electrical equipment is properly maintained and inspected regularly

• Using appropriate personal protective equipment (PPE) when working with electricity

• Following proper lockout/tagout procedures when working on electrical systems

• Avoiding overloading circuits and using proper grounding techniques

• Training em...read more

To start maintenance work, first assess the equipment, create a maintenance plan, gather necessary tools and materials, and follow safety protocols.

• Assess the equipment to identify any issues or areas that need maintenance.

• Create a maintenance plan outlining tasks, schedules, and resources needed.

• Gather necessary tools and materials before starting the maintenance work.

• Follow safety protocols to ensure the safety of yo...read more

Safety precautions before maintenance include proper training, wearing appropriate personal protective equipment, isolating energy sources, and following lockout/tagout procedures.

• Ensure proper training and understanding of maintenance procedures

• Wear appropriate personal protective equipment such as gloves, goggles, and helmets

• Isolate energy sources to prevent accidental startup

• Follow lockout/tagout procedures to ensur...read more

Various types of safety instruments in industry include personal protective equipment, alarms, interlocks, and emergency stop buttons.

• Personal protective equipment (PPE) such as helmets, gloves, and safety goggles

• Alarms for notifying workers of potential hazards or emergencies

• Interlocks to prevent equipment from operating when safety conditions are not met

• Emergency stop buttons for quickly shutting down machinery in ca...read more