China Petroleum Engineering & Construction Corporation Instrumentation Technician Interview Questions and Answers

Q1. How to install temperature transmitter
Ans. 
To install a temperature transmitter, you need to properly mount the transmitter, connect the wiring, configure the settings, and test the transmitter.
• Mount the temperature transmitter in a suitable location near the temperature source.

• Connect the wiring according to the manufacturer's instructions, ensuring proper grounding.

• Configure the settings such as range, output signal, and calibration using the transmitter's di...read more
Answered by AI
Add your answer

Q1. Ritik Kumar Maurya
Add your answer
Q2. Indian oil corporation limited Panipat
Add your answer
Q3. One year apprentice training in Instrumentation and control
Add your answer

Q1. How much you earn
Add your answer

Q1. Any instrumentation equipment explain
Ans. 
Instrumentation equipment refers to devices used to measure, control, and monitor various parameters in industrial processes.
• Instruments like pressure gauges, flow meters, and temperature sensors are commonly used in instrumentation.

• Control valves and actuators are used to regulate the flow of fluids or gases.

• Programmable Logic Controllers (PLCs) are used for automation and control of processes.

• Analytical instruments l...read more
Answered by AI
View 1 more answer
Q2. PLC and scada and DCS
Add your answer
Q3. PLC panel wiring diagram
Ans. 
A PLC panel wiring diagram is a visual representation of the electrical connections and components in a programmable logic controller panel.
• A PLC panel wiring diagram shows the layout and connections of various components such as power supplies, input/output modules, relays, and sensors.

• It helps technicians understand how the electrical signals flow within the panel and how different devices are interconnected.

• The diag...read more
Answered by AI
View 1 more answer
Q4. What is the control valve
Ans. 
A control valve is a device used to regulate the flow of fluid or gas in a process system.
• Control valves are commonly used in industries such as oil and gas, chemical, and power plants.

• They can be operated manually or automatically through an electrical or pneumatic signal.

• Control valves consist of a valve body, actuator, and positioner.

• They can control variables such as flow rate, pressure, temperature, and level.

• Exam...read more
Answered by AI
View 1 more answer
Q5. What is the transmitter
Ans. 
A transmitter is a device used in instrumentation to convert a physical measurement into an electrical signal.
• Transmitters are commonly used in industries such as oil and gas, chemical, and power plants.

• They are used to measure variables such as pressure, temperature, flow rate, level, and pH.

• Transmitters typically consist of a sensing element, signal conditioning circuitry, and an output signal.

• The sensing element det...read more
Answered by AI
View 1 more answer
Q6. What is the flow meters
Ans. 
Flow meters are devices used to measure the flow rate of a fluid or gas.
• Flow meters are commonly used in industries such as oil and gas, water treatment, and manufacturing.

• They can measure flow rates in various units such as liters per minute, cubic meters per hour, or gallons per minute.

• Different types of flow meters include electromagnetic, ultrasonic, turbine, and differential pressure flow meters.

• Flow meters can be...read more
Answered by AI
View 1 more answer

Q1. How many years experience?
View 3 more answers
Q2. What is tha qualification?
Ans. 
The qualification for an Instrumentation Technician typically includes a degree or diploma in instrumentation technology or a related field.
• A degree or diploma in instrumentation technology or a related field is usually required.

• Knowledge of electrical and electronic systems is important.

• Experience with calibration and troubleshooting of instruments is often necessary.

• Familiarity with industry standards and regulations...read more
Answered by AI
View 2 more answers
Q3. Is currently working?
Add your answer
Q4. Before working company
Add your answer

Q1. What is Thermocouple range?
Ans. 
Thermocouple range refers to the temperature range within which a thermocouple can accurately measure temperature.
• Thermocouple range varies depending on the type of thermocouple used.

• Common thermocouple types include J, K, T, E, and N.

• For example, a type K thermocouple has a range of -200 to 1350 degrees Celsius.

• It is important to select the appropriate thermocouple type for the temperature range being measured.
Answered by AI
Add your answer
Q2. What is anti surge valve?
Ans. 
An anti-surge valve is a control valve used in a compressor system to prevent surge and maintain stable operation.
• An anti-surge valve is typically installed in the discharge line of a compressor.

• It is designed to protect the compressor from surge, which is a phenomenon of unstable flow and pressure that can cause damage to the compressor.

• The valve opens or closes based on the compressor's operating conditions to mainta...read more
Answered by AI
View 1 more answer
Q3. Are you working gas turbine?
Ans. 
Yes, I have experience working with gas turbines.
• I have worked with gas turbines in my previous job as an instrumentation technician.

• I am familiar with the maintenance and troubleshooting of gas turbines.

• I have experience in calibrating and testing gas turbine sensors and instruments.

• I have knowledge of the safety protocols and regulations related to gas turbines.
Answered by AI
Add your answer
Q4. How many types vibration is there in field?
Ans. 
There are three types of vibration in the field: axial, radial, and tangential.
• Axial vibration occurs parallel to the axis of rotation.

• Radial vibration occurs perpendicular to the axis of rotation.

• Tangential vibration occurs at a right angle to both axial and radial vibration.

• Vibration analysis is used to detect and diagnose problems in rotating machinery.

• Excessive vibration can lead to premature failure of bearings, g
Answered by AI
View 1 more answer
Q5. Are you know that preventive maintenance jobs?
Ans. 
Yes, I am familiar with preventive maintenance jobs.
• Preventive maintenance involves regularly scheduled inspections, cleaning, and repairs to prevent equipment breakdowns.

• I have experience performing preventive maintenance on various types of instrumentation equipment, such as calibrators, transmitters, and controllers.

• Examples of preventive maintenance tasks I have performed include checking for leaks, replacing worn ...read more
Answered by AI
View 1 more answer

Q1. Are you instrument technician?
Add your answer
Q2. What kind of precautions need in Plant running time?
Ans. 
Precautions are necessary to ensure safe and efficient plant operation.
• Regular maintenance of equipment and machinery

• Proper training and certification of personnel

• Strict adherence to safety protocols and procedures

• Regular inspections and audits to identify potential hazards

• Effective communication and coordination among team members

• Use of personal protective equipment (PPE) as required

• Emergency response planning and dri...read more
Answered by AI
Add your answer

I am interested to work in maintenance field and troubleshooting

Q1. What is a Transmitter, types/functions and general configuration/calibrations
Ans. 
A transmitter is a device that converts a signal from a sensor into a standardized output signal for measurement or control purposes.
• Types of transmitters include pressure transmitters, temperature transmitters, level transmitters, and flow transmitters.

• Functions of transmitters include sensing a physical parameter, converting it into an electrical signal, and transmitting the signal to a control system.

• General configu...read more
Answered by AI
View 1 more answer

Q1. Types of Instruments
Ans. 
Instruments used in control and instrumentation include sensors, transmitters, controllers, and actuators.
• Sensors: devices that detect changes in physical properties and convert them into electrical signals (e.g. temperature sensors, pressure sensors)

• Transmitters: devices that send signals from sensors to controllers (e.g. signal transmitters)

• Controllers: devices that receive signals from sensors and transmitters to re...read more
Answered by AI
Add your answer
Q2. PID loop working in Complete
Ans. 
PID loop is a control system feedback mechanism used in industrial processes to maintain desired setpoints.
• PID stands for Proportional, Integral, Derivative

• Proportional term responds to the current error

• Integral term corrects past errors

• Derivative term predicts future errors

• PID controller continuously calculates an error value as the difference between a desired setpoint and a measured process variable

• Example: PID loop...read more
Answered by AI
Add your answer

Q1. How to work rtd
Ans. 
RTD stands for Resistance Temperature Detector, which is a temperature sensor that operates on the principle of the change in electrical resistance with temperature.
• RTDs are commonly made of platinum, nickel, or copper and have a linear relationship between resistance and temperature.

• To work with an RTD, you need to provide a constant current source to the sensor and measure the voltage drop across it.

• The resistance of...read more
Answered by AI
Add your answer
Q2. Personal details
Add your answer