Combustion burning - Study guides, Class notes & Summaries

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

T/F Topography can directly and indirectly affect fuels and their availability for combustion - True Of the three environmental factors that influence fire behavior, which is the least variable - topography What are the 3 Environmental Factors that influence Fire Behavior? - 1) Weather 2) Topography 3) Fuels The least critical form of heat transfer that influences rate of spread in a running wildland fire is. - Conduction The point to which a combustible material must be heate...

GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Version: 1.0 Final *JUN238464C2H01* IB/M/Jun23/E7 8464/C/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 TOTAL Tuesday 13 June 2023 Morning Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at t...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

In 1720 what was the piece of equipment to replace the bucket brigade? correct answer: Hand Pump Which NFPA standard required new fire apparatus to be designed so that all members riding on the fire apparatus would be provided a seated area inside an enclosed cab? correct answer: NFPA 1500 What was the first gasoline powered fire apparatus to discharge water by using a large soda acid extinguisher? correct answer: Chemical Wagon The real breakthrough for today's modern fire apparatu...

S-290 Final Exam A Questions and Answers Already Passed T/F Topography can directly and indirectly affect fuels and their availability for combustion? True Of the three primary environmental factors that influence fire behavior, which is the least variable? Topography The least critical form of heat transfer that influences rate of spread in a running wild land fire is: Conduction The point to which a combustible material must be heated to produce self sustaining combustion is known as the: ...

HVAC Gas Heat certification exam Questions and Answers 100% Pass A gas furnace is to be installed in a garage. The national standards require that the burners and ignition sources must be located ______ above the floor - Correct Answer ️️ -18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is - Correct Answer ️️ -Temperature on- temperature off Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut o...

A heat source capable of maintaining at least __________ should serve every habitable space in houses in almost all regions. - 68F Burning natural gas creates _______________. - Water vapor and carbon dioxide Burning natural gas with Oxygen yields CO2, water vapor and _______. - Heat As hot gases cool, they release a lot of heat energy as the change their state from __________. - Gas to a liquid If combustion air is inadequately supplied to a gas furnace, ___________ will be produced. - C...

Mass oil burner / NFPA 31 & NORA Practice Questions and Answers (100% Pass) Cast iron fittings can be used in heating fuel systems? - Answer️️ -False Tank vent shall terminate - Answer️️ -Within 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have - Answer️️ -Top supply connection Fuel return piping from an appliance shall - Answer️️ -Enter the top of the tank Oil appliances burning used oil shall only be installed - Answer️️ -In commerci...

Which load and carry works best when advancing hoseline up and down a stairway? - Answer-Minute man Which of the following will cause the upper layer of hot smoke and fire gases to contract toward the ceiling? - Answer-Steam formed in the upper layer of hot fire gases A short fold or reverse bend made in hose during the loading process is called a: - Answer-Dutchman How should a single firefighter heel the ladder when performing a one-firefighter extension ladder raise? - Answer-Against th...