Neelachal Ispat Nigam Instrument Engineer Interview Questions, Process, and Tips

A thermocouple is a temperature sensor that consists of two different metals joined together at one end.

• Consists of two different metals joined together at one end

• Generates a voltage proportional to the temperature difference between the two ends

• Commonly used in industrial temperature measurement applications

Resistance is the opposition to the flow of electric current in a circuit.

• Resistance is measured in ohms (Ω).

• It is caused by the collisions of electrons with atoms in a conductor.

• Higher resistance leads to lower current flow in a circuit.

• Examples of resistors include light bulbs, heating elements, and electronic components.

• Ohm's Law states that V = I * R, where V is voltage, I is current, and R is resistance.

A transmeter is a device used to measure and transmit data from sensors to a control system.

• Transmeters are commonly used in industrial processes to monitor variables such as temperature, pressure, flow, and level.

• They convert the physical quantity being measured into an electrical signal, which is then transmitted to a control system for monitoring and control.

• Examples of transmeters include pressure transmitters, tem...read more

A flow transmitter is a device used to measure the flow rate of a fluid in a pipeline or system.

• Flow transmitters can be used in various industries such as oil and gas, water treatment, and pharmaceuticals.

• They typically work by measuring the velocity of the fluid and calculating the flow rate based on the cross-sectional area of the pipe.

• Common types of flow transmitters include electromagnetic, ultrasonic, and therma...read more

A dp transmitter is a device used to measure the difference in pressure between two points in a system.

• Measures differential pressure in a system

• Consists of two pressure sensors connected to a diaphragm

• Used in industries like oil and gas, chemical, and pharmaceuticals