MEP EXAM #1 QUESTIONS AND ANSWERS 100% PASS

MEP EXAM #1 QUESTIONS AND ANSWERS 100% PASS The agitation or motion of atoms and molecules - Heat The measure of the average kinetic energy associated with the chaotic microscopic motion of atoms and molecules within a substance - Temperature Mass Density is expressed in what units? - Pounds per Cubic Foot (lb/ft^3) The specific heat of water is 1.0 Btu/lb F and its density is 62.4 lb/ft^3. Determine the specific heat capacity of water. - 1.) C = c x p 2.) C = (1.0 Btu/lb F) x (62.4 lb/ft^3) C = 62.4 Btu/ft F Sensible heat refers to air that is heated with - Latent Heat of fusion is the storage of heat associated with a _____ - Change in phase of a substance, without a change in the substance's temperature Heat always moves/flows from _____ - From a substance of at a HIGHER temperature to a substance at a LOWER temperature Heat transfer that moves from one molecule to another - Conduction 2COPYRIGHT © 2025 BY KATELYN WHITMAN, ALL RIGHTS RESERVED Energy transmitted through a vacuum is transmitted via Radiation (True or False) - True Energy transmitted through a vacuum is transmitted via Convection (True or False) - False (Radiation) Energy transmitted through a vacuum is transmitted via _____ - Radiation Mass density is defined by units of lb/ft^2 (True or False) - False (lb/ft^3) Mass Density is defined by units of lb/ft^3 (True or False) - True The Sun's energy is transferred to the Earth through space via _____ - Radiation Saturated air has a relative humidity of _____% - 100% Sick Building Syndrome (SBS) is frequently caused by poor design, maintenance and/or operation of the building's ________ - Ventilation System Specific Heat is an amount of heat that must be added to ____ of a material to change it temperature by 1 F - 1 lb Latent Heat is an amount of heat that must be added to 1 lb of a material to change its temperature by 1 F (True or False) - False (Sensible Heat) Sensible Heat is an amount of heat that must be added to 1 lb of a material to change its temperature by 1 F (True or False) - True 3COPYRIGHT © 2025 BY KATELYN WHITMAN, ALL RIGHTS RESERVED Enthalpy measures the amount of heat in the air per _______ - Specific Psychometric Conditions Heat is ______ energy in motion - Thermal Temperature is the measure of the intensity of the heat (True or False) - True What are the 2 common temperature scales? - Fahrenheit (°F) and Celsius (°C). __________ of a substance is the mass per unit volume - Mass Density Mass Density of a substance is the mass per _______ - Unit Volume _________ is defined scientifically as the amount of heat that must be added or removed from one pound of substance to change its temperature by one degree. - Specific heat (c)