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

NFI Exam Review Test Questions And Revised Correct Answers 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 combusti...

Refrigeration Machine Operator Course - Turner Exam Questions And Answers What is refrigeration - ANS Refrigeration is the removing of heat from an object or mass and then dissipating that same heat in a place where it's presence will not be objectionable. "Refrigeration systems move heat" The refrigeration process is made possible by - ANS Boiling a refrigerant BTU "British Thermal Unit" - ANS A BTU is the quantity of heat needed to raise one pound of water one degree ...

CSN AC 110 Esco Exam Practice Questions with correct Answers 1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat - ANS ️️ 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 - ANS ️️ A. latent heat of vapo...

GACE Special Education Math and Science Rated A+ Anion A negatively charged ion. It is formed by adding electrons to atoms or molecules. Cation A positively charged ion that is formed by removal of electrons from atoms or molecules. Ionic Crystal A crystal that is made up of two or more elements. The positive and negative ions are arranged in a definitive pattern. They are held together by electrostatic attraction. Some examples include sodium chloride and cesium chloride. Latt...

Heat which causes a change in temperature of a substance is called - Sensible Heat Heat added to a substance without a rise in temperature is called - Latent Heat Heat added to refrigerant in a vapor state after the evaporation process is called - Superheat A scroll compressor moved refrigerant by means of - Involute spirals The movement of heat by way of fluid is called - Convection The movement of heat through a solid object is called - Conduction The standard unit for measuring the quan...

Heat which causes a change in temperature of a substance is called; : sensible heat. Heat which causes a change in state of a material without a change in temperature is called; : latent heat. Heat which is added to a vapor after the change of state occurs is called; : superheat. Heat can travel by; : conduction, convection, radiation. The movement of heat by way of fluid (or air) is called; : convection . The movement of heat by direct contact is called; 2 | P a g e : conduction ....

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...

A_____is the quantity of heat required to raise the temperature of I lb of water |°F. - ANSWER British thermal unit (BTU) Comfor is typically attained at normal cooling and heating temperatures with a relative humidity of about _____% - ANSWER 50% _________is the movement of air through distribution systems and building spaces. - ANSWER Air circulation ___________is the variation of air temperature in a building space that occurs when warm air rises to the ceiling and cold air drops to...

Massachusetts Oil Burner Study Guide Rated A+ What is the voltage found at the TT terminals 24 volts What are the 8 steps of a no heat call 1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below the burner I know the type and style of the system that is ...

Absolute Temperature. A temperature measured in Kelvins (K) or Rankines (R). Accelerant. A fuel or oxidizer, often an ignitible liquid, intentionally used to initiate a fire or increase the rate of growth or spread of fire. Accident. An unplanned event that interrupts an activity and sometimes causes injury or damage or a chance occurrence arising from unknown causes; an unexpected happening due to carelessness, ignorance, and the like. Ambient. Someone's or something'...