HVAC Unit 1: Review Questions and Answers Rated A+

HVAC Unit 1: Review Questions and Answers Rated A+ Temperature is defined as The level of heat State the standard conditions for water to boil at 212 degrees Farenheit Earth's atmosphere exerts a weight or pressure of 14.696 psi at sea level. List four types of temperature scales Fahrenheit, Celsius, Kelvin, Rankine Under standard conditions, water freezes at 0 degrees Celsius Molecular motion stops at -460 degrees Fahrenheit One British thermal unit will raise the temperature of 1 pound of water 1 degree Farenheit In what direction does heat flow From a warm substance to a cold substance Describe heat transfer by conduction Heat transfer through energy from one molecule to another. An increase in sensible heat causes A higher thermometer reading Latent heat causes a change of state Describe how heat is transferred by convection Moving of heat in a fluid from one place to another. Describe how heat is transferred by radiation Transfer of heat through the air or space. Specific heat is the amount of heat necessary to raise the temperature of 1 pound of a Substance Atmospheric pressure at sea level under standard conditions is ___ inches of mercury or ___ pounds per square inch absolute. (psia) 29.92 in. Hg or 14.696 (psia) To change from psig to psia, you must add ____ to psig. Atmospheric pressure [ 14.7] Convert 80 degrees Fahrenheit to Celsius. 26.7 degrees Celsius Convert 22 degrees Celsius to Fahrenheit. 71.6 degrees Fahrenheit The standard atmospheric conditions for water to boil at 212 degrees Fahrenheit are: atmospheric pressure: 14.696 psi, temperature: 70 degrees Fahrenheit. At standard conditions on the Celsius scale, water will boil at At standard conditions on the Celsius scale, water will boil at If water weighs 8.34 pounds per gallon, it will take _____ BTU to raise the temperature of 4 gallons of water from 70 degrees Fahrenheit to