Coal India Trainee Interview Questions, Process, and Tips

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

To tackle vibrations in axial fans, proper balancing, alignment, and maintenance are essential.

• Perform dynamic balancing of the fan blades to minimize vibrations.

• Ensure proper alignment of the fan with the motor and the surrounding structure.

• Regularly inspect and maintain the fan components to prevent wear and tear.

• Use vibration analysis techniques to identify and address any potential issues.

• Consider installing vibrat...read more

We follow a permit system based on the project requirements and local regulations.

• Our permit system ensures compliance with safety standards and legal requirements.

• We obtain permits for activities such as construction, electrical work, and hazardous material handling.

• The specific permit requirements vary depending on the nature of the project and the location.

• We work closely with regulatory authorities to ensure timely...read more