Serum Institute of India Assistant Officer Interview Questions and Answers

There are five main types of fire extinguishers: water, foam, powder, CO2, and wet chemical.

• Water extinguishers are suitable for Class A fires involving solid materials like wood or paper.

• Foam extinguishers are effective for Class A and B fires, which involve flammable liquids like gasoline or oil.

• Powder extinguishers can be used for Class A, B, and C fires, which involve flammable gases.

• CO2 extinguishers are suitable ...read more

Scaffolding is a temporary structure used in construction to support workers and materials.

• Scaffolding provides a safe working platform at various heights during construction or maintenance work.

• It is typically made of metal pipes or tubes and wooden planks.

• Scaffolding is erected around buildings, bridges, or other structures to allow workers to access different areas.

• It must be properly designed, installed, and inspec...read more

A dry powder fire extinguisher is used for combistable materials fire.

• Dry powder fire extinguishers are effective for fires involving combustible materials such as wood, paper, textiles, and flammable liquids.

• They work by smothering the fire and interrupting the chemical reaction.

• Dry powder fire extinguishers are commonly used in industrial settings, kitchens, and vehicles.

• Examples of combistable materials include gaso...read more

GLR stands for Generalized Likelihood Ratio.

• GLR is a statistical method used for hypothesis testing.

• It compares the likelihood of two different hypotheses to determine which one is more likely to be true.

• GLR is commonly used in fields such as signal processing, machine learning, and bioinformatics.

• For example, GLR can be used to detect anomalies in data or to classify different types of signals.