Arora Iron & Steel Rolling Mills Shift Engineer Trainee Interview Questions and Answers

There are 4 types of classifications: nominal, ordinal, interval, and ratio.

• Nominal classification is used for non-numeric data like colors or names.

• Ordinal classification is used for data that can be ordered like grades or rankings.

• Interval classification is used for data that has equal intervals like temperature in Celsius or Fahrenheit.

• Ratio classification is used for data that has a true zero point like weight or h

Classifications refer to categorizing or grouping items based on certain criteria.

• Classifications help in organizing and managing data efficiently.

• Examples of classifications include taxonomies, library classifications, and medical classifications.

• Classifications can be hierarchical or non-hierarchical.

• Hierarchical classifications have a top-down structure, while non-hierarchical classifications do not.

• Classifications ...read more

There are 5 types of fire extinguishers based on the type of fire.

• Type A: for fires involving ordinary combustibles like wood, paper, or cloth

• Type B: for fires involving flammable liquids like gasoline or oil

• Type C: for fires involving electrical equipment

• Type D: for fires involving flammable metals like magnesium or titanium

• Type K: for fires involving cooking oils and fats