Fire and Gas System Interview Questions & Answers
Refer below shared Fire and Gas System Interview Questions for your interview preparation. Fire and Gas System Interview Questions What is a fire alarm system? Typically, a fire alarm system
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Carbon Monoxide Gas Hazards
Carbon monoxide (CO) gas is a colorless, odorless, and toxic gas principally generated by the incomplete combustion of carbon-based fuels. The mechanism of its toxicity to people and animals is
Lower Explosive Limit (LEL)
The minimum concentration of a flammable gas in air capable of igniting is called the Lower Explosive Limit, or LEL. This limit varies with the type of gas and with
Hydrogen Sulfide Gas (H2S)
Hydrogen Sulfide (H2S) is a highly toxic gas, with a pungent “rotten eggs” odor at low concentrations but no visible color. At higher concentrations, the gas acts as a nerve
Active and Passive Fire Protection
Active fire protection systems such as water sprinkler and spray systems are widely used in the process industries for protection of storage vessels, process plant, loading installations and warehouses. The
Safety Gas Analyzers
Process analyzers measure the concentration of specific substances for the purpose of measuring and/or controlling those concentrations in a process stream. Safety analyzers detect the presence of dangerous concentrations of
Carbon Monoxide Gas Sensor Principle
Schematic diagrams of Electrochemical-type gas sensor and Chemical reactions Image Credits : figaro Electrochemical-type gas sensor are amperometric fuel cells with two electrodes. The basic components of two electrode gas sensors
Catalytic Type Gas Sensor Principle
Catalytic-type gas sensor consist of two elements: a detector element (D) which contains catalytic material and is sensitive to combustible gases, and a compensator element (C) which is inert. Combustible
MOS Type Gas Sensor Principle
MOS Type Gas Sensor Principle In clean air, donor electrons in tin dioxide are attracted toward oxygen which is adsorbed on the surface of the sensing material, preventing electric current
Fixed Gas Detectors vs. Portable Gas Detectors
Fixed Gas Detection Systems vs. Portable Gas Monitors Fixed gas detection systems and portable gas monitors are both essential to protecting workers and equipment and meeting OSHA/EPA requirements. Both products