A british thermal unit is - Study guides, Class notes & Summaries

ASVAB MEPS Exam 223 Questions with Verified Answers A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft? - CORRECT ANSWER 50% Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. If he was paid at the rate of $6 per hour, how much did he earn that day? - CORRECT ANSWER $5.00 A woman is looking for a bigger square office. She finds an office twice the area of he...

CSIA C-DET Latest 2024 Already Passed Appliance Eqipment, usually built in standardized sizes or types, installed or connected as a unit Approved Acceptable to the authority having jurisdiction. American society for testing materials ASTM Authority having Jurisdiction The organization, office or individual responsible for approving equipment, installations or procedures Baffle Object placed in an appliance to change the direction, extend the path, or slow the flow of air, air-f...

Combustion Requirements (3) - Answer Air, Fuel, Heat Complete Combustion Produces (4) - Answer Water vapor, carbon dioxide, heat, and non combustible ashes incomplete combustion produces (3) - Answer carbon monoxide, hydrocarbons, and other gases rate at which fuel burns is controlled by - Answer the amount of available air air to fuel ratio is a - Answer critical factor in obtaining optimum fuel combustion BTU - Answer British Thermal Unit, The amount of energy needed...

High pressure boiler exam NYC License 2024 Questions and Answers Latent Heat of Vaporization - CORRECT ANSWER-970.3 Btu's Meaning of BTU - CORRECT ANSWER-British Thermal Unit At what PSI can the vent valve be closed when refilling a boiler - CORRECT ANSWER25 PSI What kind of Air controls combustion efficiency? - CORRECT ANSWER-Secondary Air Boiler main steam stop valves should be ____ valves. - CORRECT ANSWER-OSandY gate valves Forced draft and Induced draft are what kinds of draft - ...

A-49 / Supervision Of Storage, Handling And Use Of Aerosol Questions With 100% Correct Answers Latest Updated 2024 Already Graded!! Aerosols contain propellants and ____ which can be flammable and hazardous, especially under certain temperatures and pressure conditions. - Correct AnswerChemicals. Aerosols are classified into ____ levels. - Correct Answer-3 Aerosol products in cartons that are not identified shall be classified as ____. - Correct Answer-Level 3. What is required to store, ha...

Heat which causes a change in temperature of a substance is called; - ANSWERsensible heat. Heat which causes a change in state of a material without a change in temperature is called; - ANSWERlatent heat. Heat which is added to a vapor after the change of state occurs is called; - ANSWERsuperheat. Heat can travel by; - ANSWERconduction, convection, radiation. The movement of heat by way of fluid (or air) is called; - ANSWERconvection . The movement of heat by direct contact is cal...

IFSTA 7th Edition Chapter 4: Fire Dynamics True or False: Oxidizers affect a fire because they are combustible - ANSWER False. Oxidizers are not combustible but will support or enhance combustion Physical science is the study of what two things? - ANSWER Matter and energy Oxidation - ANSWER A chemical reaction involvi...

what is the fire triangle? - Answer- oxygen, fuel, and heat what is the fire tetrahedron? - Answer- oxygen, fuel, heat, and a self-sustained chemical chain reaction what is potential energy? - Answer- stored energy possessed by an object that can be released in the future to perform work what is kinetic energy? - Answer- the energy possessed by a moving object what is the british thermal unit (BTU)? - Answer- the amount of heat required to raise the temperature of 1 pound of water 1 ...

BPI Study Test Questions and Answers 100% Solved What is a BTU? Correct answer British Thermal Unit - the amount of energy required to heat 1 pound of water 1 degrees Fahrenheit Why does warm air rise? Correct answer Warm air is less dense than cool air What is a thermal boundary? Correct answer A line or plane defined by insulation and air barrier What is NOT a goal of air leakage control? Correct answer Meeting code (no code exists for air leakage)

1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat : B. sensible heat 2. Heat added to a substance without a raise in temperature; (example: liquid refrigerant to gas) this process is called? A. latent heat of vaporization B. latent heat of fusion. C. superheat of vaporization D. superheat of fusion : A. latent heat of vaporization 3. Heat added to the refrigerant in a vapor state after the evaporation...