Hetero Safety Officer Interview Questions and Answers

There are several types of fires, classified based on the fuel source.

• Class A fires involve ordinary combustibles such as wood, paper, or cloth.

• Class B fires involve flammable liquids or gases such as gasoline, propane, or oil.

• Class C fires involve electrical equipment such as appliances, wiring, or circuit breakers.

• Class D fires involve combustible metals such as magnesium, titanium, or sodium.

• Class K fires involve co...read more

HAZOP stands for Hazard and Operability Study.

• HAZOP is a structured and systematic approach to identify potential hazards and operability problems in a process plant.

• It involves a team of experts analyzing the process and identifying deviations from the intended design.

• The team then evaluates the consequences of these deviations and recommends actions to mitigate the risks.

• HAZOP is commonly used in the chemical, petroc...read more

Organic chemistry deals with carbon-based compounds while inorganic chemistry deals with non-carbon-based compounds.

• Organic chemistry involves the study of hydrocarbons, alcohols, carbohydrates, proteins, and nucleic acids.

• Inorganic chemistry involves the study of metals, minerals, and non-carbon-based compounds.

• Organic compounds are generally covalent while inorganic compounds can be either covalent or ionic.

• Organic c...read more

Lambert Beer Law is a formula used to calculate the absorption of light by a substance.

• It states that the absorbance of a substance is directly proportional to its concentration and the path length of the light through the substance.

• It is commonly used in chemistry and spectroscopy to determine the concentration of a substance in a solution.

• The law can be expressed as A = εcl, where A is the absorbance, ε is the molar ...read more