ArcelorMittal Nippon Steel Associate Engineer Interview Questions and Answers for Freshers

ICP OES is a technique used for chemical analysis of chromite ore.

• ICP OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.

• It is a powerful analytical technique used for the determination of trace elements in a variety of matrices.

• ICP OES can be used to determine the concentration of elements such as Cr, Fe, Mg, Al, and Si in chromite ore.

• The technique involves the excitation of atoms in a sample usi...read more

ICP-OES is a technique used for elemental analysis in which a sample is vaporized and excited by a plasma to emit light.

• ICP-OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.

• It is used to determine the concentration of elements in a sample.

• The sample is vaporized and excited by a plasma to emit light, which is then analyzed to determine the elemental composition.

• ICP-OES is commonly used in environ...read more

Weight chemical analysis of chromite ore involves determining the percentage of various elements present in the ore.

• The ore is first crushed and ground into a fine powder.

• The powder is then mixed with various chemicals to dissolve the elements of interest.

• The resulting solution is then analyzed using various techniques such as atomic absorption spectroscopy or inductively coupled plasma mass spectrometry.

• The percentage...read more

Control valve calibration involves adjusting the valve to ensure it operates within specified parameters.

• Determine the valve's operating range and desired set points

• Use a calibration bench or in-line calibration equipment to adjust the valve's position and response time

• Verify the valve's performance using a flow meter or pressure gauge

• Document the calibration process and results for future reference