Spontaneous combustion Study guides, Class notes & Summaries

How often should dry chemical extinguishers be inspected? - ANSWER Monthly What is the heating of an organic substance without the addition of external heat? - ANSWER Spontaneous Combustion Fire protection engineers have established ______ as a minimum required residual pressure when computing the available water for all flow test results. - ANSWER 20 ps.i. Plastics when burned produce how many BTU's ? - ANSWER 16,000 b.t.u. What type of heat detectors are least prone to false alarm...

IB chemistry HL Latest Version Graded A+ exothermic reaction heat is released by the system ΔΗ<0 endothermic reaction heat is absorbed by the system ΔΗ>0 standard enthalpy change of reaction(ΔΗ) the heat energy transferred under standard conditions (pressure-101.3 kPa, temperature- 298 K) combustion and neutralization are exothermic processes average bond enthalpy the energy required to break one mole of a certain type of bond in the gaseous state averaged acro...

What are the conditions needed for a fire to occur? - Answer-fuel (material that acts as a fuel) sources of ignition (chemical, biological, or physical) oxygen What are the components of the fire tetrahedron? - Answer-heat, fuel, oxygen, chain reaction How do you stop a fire? - Answer-Remove any of the components of the fire tetrahedron (i.e. remove fuel, oxygen, heat, or interrupt the chemical reaction) Oxygen - Answer--21% ambient air -robust flaming combustion down to 15-16% -surface ...

80. What are the 6 mandatory PHMPs? s149 - · Emergency response · Gas management · Methane drainage · Mine ventilation · Spontaneous combustion · Strata control 81. What is the flash point value where an SOP is required for dealing with flammable substances underground? s151 - · Must have an SOP for using, storing, handling and disposing of flammable substances with a flash point of less than 61⁰C 82. What is the limit to the external surface temperature of equipment used und...

IFSTA Chapter 4 & 5 Exam | Questions and Verified Answers| 100% Correct Q: Which heat transfer mechanism is dependent on several factors including the turbulence and velocity of moving gases? (132) [4.3.11, 4.3.12] A. Radiation B. Reflection C. Convection D. Conduction Answer: C. Convection Q: By which mechanism of heat transfer does heat travel in a straight line at the speed of light, allowing heat to travel through vacuums and air spaces? (134) [4.3.11, 4.3.12] A. Ra...

What are the conditions needed for a fire to occur? - Answer-fuel (material that acts as a fuel) sources of ignition (chemical, biological, or physical) oxygen What are the components of the fire tetrahedron? - Answer-heat, fuel, oxygen, chain reaction How do you stop a fire? - Answer-Remove any of the components of the fire tetrahedron (i.e. remove fuel, oxygen, heat, or interrupt the chemical reaction) Oxygen - Answer--21% ambient air -robust flaming combustion down to 15-16% -surface ...

Texas All Lines Adjuster License Exam Questions & Answers 2024/2025 Horatio is a business owner who is part of a business owners group that are buying old commercial buildings in their small city and refurbishing them. Horatio has bought a beautiful historical building made mostly of wood. He installs a sprinkler system right away to prevent a fire. What risk management strategy is Horatio using? - ANSWERSRisk Reduction A church has had the woodwork in the building refinished and new sta...

Boiler Exam Practice Testsremoves sludge and sediment from the mud drum - correct answer The bottom blowdown on a boiler ___. outside diameter - correct answer Boiler tubes are sized using the ___. tin - correct answer A boiler fusible plug is brass or bronze with a core of ___. hairline cracks in the refractory - correct answer Spalling in a boiler refers to ___. 34.5 - correct answer Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 2...

boiler exam study guide 2The bottom blowdown on a boiler ___. - correct answer removes sludge and sediment from the mud drum Boiler tubes are sized using the ___. - correct answer outside diameter A boiler fusible plug is brass or bronze with a core of ___. - correct answer tin Spalling in a boiler refers to ___. - correct answer hairline cracks in the refractory Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. - correct answer...

boiler exam study guide 2 Question and answers 2023/2024 verified to passThe bottom blowdown on a boiler ___. - correct answer removes sludge and sediment from the mud drum Boiler tubes are sized using the ___. - correct answer outside diameter A boiler fusible plug is brass or bronze with a core of ___. - correct answer tin Spalling in a boiler refers to ___. - correct answer hairline cracks in the refractory Boiler horsepower is the evaporation of ___ lb of water/hr from and at a f...