Btu british thermal unit - 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...

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...

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...

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 ...

Heat which causes a change in temperature is called - ANSWER ☑☑Sensible Heat Heat added to a substance without a rise in temperature is called - ANSWER ☑☑Latent Heat Heat added to the refrigerant in a vapor state after evaporation is called - ANSWER ☑☑Super Heat A scroll compressor moves refrigerant by means of a - ANSWER ☑☑Involute Spiral The movement of heat by fluid or air is called - ANSWER ☑☑Convection The movement of heat through a solid object is ca...

Specific Heat is - ANSWER-the amount of heat neccessary to raise the temperature of a substance one deg F What are two types of heat - ANSWER-sensible and latent Heat flow by conduction is - ANSWER-energy travelling from one molecule to another Radiation can be defined as - ANSWER-transfer of heat through the air without heating the air and is absorbed by a solid object Water freezes at - ANSWER-32 deg f Refrigeration is - ANSWER-the tranfer of heat from a place where it is not wa...

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 ....

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...

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...