Nasser S. Al Hajri Corporation Interview Questions, Process, and Tips for Experienced

Q1. Basic safety questions
Add your answer
Q2. Technical safety based questions
Add your answer
Q3. Scenarios based questions
Add your answer

Q1. S W L .W L L
Add your answer
Q2. Shef work load and work load limit
Add your answer
Q3. Bow shaickl D shaickl
Add your answer
Q4. Webbseling safety features
Add your answer
Q5. Insfection and color code
Add your answer

Quality tool box talk safe work on site

Piping metal code cs,SS,ltcs and alloys

Q1. How much group work in side
Add your answer
Q2. Civil, mechanical, electrical
Add your answer
Q3. All work place clean and safe
Add your answer
Q4. Permit after work start
Add your answer

All types of piping fabrication and erection installation in site

Q1. All reports submit in hr department
Add your answer

Q1. What is Instrument Technician
Ans. 
An Instrument Technician specializes in maintaining and calibrating instruments used in various industries.
• Responsible for installing, maintaining, and repairing instrumentation systems.

• Examples include pressure gauges, temperature sensors, and flow meters.

• Works in industries like oil and gas, manufacturing, and pharmaceuticals.

• Ensures compliance with safety and regulatory standards.

• Utilizes diagnostic tools to trouble
Answered by AI
Add your answer
Q2. What is Instrument cable
Ans. 
Instrument cable is a specialized cable designed for transmitting signals in instrumentation and control systems.
• Used for connecting sensors, transmitters, and control devices.

• Typically shielded to reduce electromagnetic interference (EMI).

• Common types include twisted pair, coaxial, and multi-conductor cables.

• Examples include 4-20 mA signal cables and thermocouple extension wires.

• Designed to maintain signal integrity o
Answered by AI
Add your answer
Q3. What is control valve
Ans. 
A control valve regulates fluid flow by varying the size of the flow passage as directed by a controller.
• Control valves are essential in process control systems.

• They can be operated manually or automatically.

• Common types include globe, ball, and butterfly valves.

• Used in industries like oil & gas, water treatment, and HVAC.

• Example: A globe valve can precisely control flow rates.
Answered by AI
Add your answer
Q4. What is a temperature
Ans. 
Temperature is a measure of the average kinetic energy of particles in a substance, indicating how hot or cold it is.
• Temperature is measured in degrees Celsius (°C), Fahrenheit (°F), or Kelvin (K).

• It affects physical properties like density and viscosity; for example, water expands when heated.

• Thermometers are common instruments used to measure temperature.

• In weather, temperature influences climate and can affect ecosy...read more
Answered by AI
Add your answer
Q5. What is flow
Ans. 
Flow refers to the movement of fluids, gases, or energy through a system, characterized by rate and direction.
• Flow can be laminar or turbulent; laminar flow is smooth and orderly, while turbulent flow is chaotic.

• In fluid dynamics, flow rate is measured in volume per time, e.g., liters per minute.

• Examples include water flowing through pipes, air moving through ducts, or blood circulating in the body.

• Flow can be influenc...read more
Answered by AI
Add your answer
Q6. What is level
Ans. 
Level refers to the measurement of the height of a substance, often used in various industries for monitoring and control.
• Level can be measured in tanks, silos, and other containers to determine how much material is present.

• Common level measurement techniques include float switches, ultrasonic sensors, and radar level transmitters.

• For example, a float switch can activate a pump when the water level in a sump pit rises ...read more
Answered by AI
Add your answer

Q1. About Quality management system
Add your answer
Q2. Health Safety & Environment
Add your answer
Q3. About Standard, Procedure & Specification
Add your answer
Q4. Internal & External Audit
Add your answer

Q1. Mandatory PPE in electrical work
Ans. 
Mandatory PPE in electrical work includes insulated gloves, safety glasses, and hard hats.
• Insulated gloves are essential to protect against electric shock.

• Safety glasses protect the eyes from potential hazards like sparks or debris.

• Hard hats are necessary to prevent head injuries from falling objects or electrical hazards.
Answered by AI
Add your answer