Kavin Engineering And Services 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 on Class A, B, and C fires, which involve flammable gases.

• CO2 extinguishers are suitable for Class B and electrical fires, as they do not leave resi...read more

There are several types of fire panels used in fire protection systems.

• Conventional fire panels

• Addressable fire panels

• Analog fire panels

• Intelligent fire panels

• Wireless fire panels

• Voice evacuation fire panels

There are two main types of fire pumps: centrifugal pumps and positive displacement pumps.

• Centrifugal pumps use centrifugal force to move water and are commonly used in fire protection systems.

• Positive displacement pumps use a piston or rotary mechanism to move water and are often used in high-rise buildings or industrial settings.

• Examples of centrifugal pumps include end suction pumps and split case pumps.

• Examples of positive displacement pumps include piston pumps and rotar...read more

There are several types of detectors used in fire protection systems.

• Smoke detectors

• Heat detectors

• Flame detectors

• Gas detectors

• Carbon monoxide detectors

• Multi-sensor detectors

A fire alarm system is a network of devices that detect and alert people to 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 alert people to evacuate the premises.

• Fire alarm systems can be...read more

A fire extinguisher is a portable device used to control or extinguish small fires.

• Fire extinguishers contain a pressurized substance that is expelled to suppress or extinguish fires.

• They are typically classified based on the type of fire they are designed to extinguish, such as Class A, B, C, D, or K.

• Common types of fire extinguishers include water, foam, carbon dioxide, dry chemical, and wet chemical extinguishers.

• Fire extinguishers should be regularly inspected, maintained...read more