Usha Fire Safety Equipments Fire Technician Interview Questions and Answers

A fire alarm system is a network of devices that detect and alert people about the presence of fire or smoke.

• Fire alarm systems are designed to quickly detect and notify occupants of a building about a potential fire.

• They consist of various components such as smoke detectors, heat detectors, fire alarm control panels, and notification devices.

• When a fire is detected, the system activates audible and visual alarms to al...read more

There are several types of fire alarms, including ionization, photoelectric, heat, and combination alarms.

• Ionization alarms detect fast-burning fires with small smoke particles.

• Photoelectric alarms detect slow-burning fires with large smoke particles.

• Heat alarms detect high temperatures and are often used in kitchens.

• Combination alarms use both ionization and photoelectric sensors for comprehensive coverage.

• Other types...read more

There are several types of fire, including Class A, Class B, Class C, Class D, and Class K fires.

• Class A fires involve ordinary combustible materials like wood, paper, and cloth.

• Class B fires involve flammable liquids or gases like gasoline, oil, and propane.

• Class C fires involve energized electrical equipment like appliances, wiring, and circuit breakers.

• Class D fires involve combustible metals like magnesium, titaniu...read more