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COSC 325 MEP Exam 1 Questions with Detailed Verified
Answers
Psychrometic considerations impact efficient buildings in three significant ways Ans: ✓ ✓ ✓ 1.
Establish the air quantities and duct sizes required 2. Determine the cooling capacity required to
control moisture 3. Used to predict condensation problems.
Absorption Ans: ✓ ✓ ✓ a refrigeration cycle where input energy is heat
Adiabatic Ans: ✓ ✓ ✓ Without gain or loss of heat
Air-cooled condenser Ans: ✓ ✓ ✓ A heat exchanger that transfers building heat to outdoor air
BTU Ans: ✓ ✓ ✓ British thermal unit. Quantity of heat. One BTU will increase the temperature of 1
lb of water 1 Fahrenheit (1 Calorie = 4 BTU)
BTUH Ans: ✓ ✓ ✓ Rate of heat flow
C Ans: ✓ ✓ ✓ The tendency to conduct heat for a standard thickness
Coil Ans: ✓ ✓ ✓ A heat exchanger
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Constant volume Ans: ✓ ✓ ✓ HVAC equipment that controls room temperature by controlling the
temperature of conditioned air
Cooling tower Ans: ✓ ✓ ✓ A heat exchanger that transfers building heat to outdoor air by
evaporating water
COP Ans: ✓ ✓ ✓ Coefficient of performance. An efficiency rating for heating equipment. BTU
delivered divided by input BTU
Dry-bulb temperature Ans: ✓ ✓ ✓ Temperature indicated by a standard thermometer
DX Ans: ✓ ✓ ✓ Direct expansion. Equipment that uses an evaporating refrigerant to cool air
EA Ans: ✓ ✓ ✓ Exhaust air
Economizer Ans: ✓ ✓ ✓ Cooling with outdoor air
Emissivity Ans: ✓ ✓ ✓ Tendency of a surface to radiate heat
Enthalpy Ans: ✓ ✓ ✓ Total heat in an air/water vapor mixture
Entropy Ans: ✓ ✓ ✓ Tendency toward uniform inertness
Grain Ans: ✓ ✓ ✓ 1/7,000 of a pound
Head Ans: ✓ ✓ ✓ Total mechanical energy in a fluid at a point in a piping system.
Heat pump Ans: ✓ ✓ ✓ A reversible refrigeration machine
© Get it right 2025 Getaway - Stuvia US All rights reserved
COSC 325 MEP Exam 1 Questions with Detailed Verified
Answers
Psychrometic considerations impact efficient buildings in three significant ways Ans: ✓ ✓ ✓ 1.
Establish the air quantities and duct sizes required 2. Determine the cooling capacity required to
control moisture 3. Used to predict condensation problems.
Absorption Ans: ✓ ✓ ✓ a refrigeration cycle where input energy is heat
Adiabatic Ans: ✓ ✓ ✓ Without gain or loss of heat
Air-cooled condenser Ans: ✓ ✓ ✓ A heat exchanger that transfers building heat to outdoor air
BTU Ans: ✓ ✓ ✓ British thermal unit. Quantity of heat. One BTU will increase the temperature of 1
lb of water 1 Fahrenheit (1 Calorie = 4 BTU)
BTUH Ans: ✓ ✓ ✓ Rate of heat flow
C Ans: ✓ ✓ ✓ The tendency to conduct heat for a standard thickness
Coil Ans: ✓ ✓ ✓ A heat exchanger
© Get it right 2025 Getaway - Stuvia US All rights reserved
, Click here for more: Scholars nexus
Constant volume Ans: ✓ ✓ ✓ HVAC equipment that controls room temperature by controlling the
temperature of conditioned air
Cooling tower Ans: ✓ ✓ ✓ A heat exchanger that transfers building heat to outdoor air by
evaporating water
COP Ans: ✓ ✓ ✓ Coefficient of performance. An efficiency rating for heating equipment. BTU
delivered divided by input BTU
Dry-bulb temperature Ans: ✓ ✓ ✓ Temperature indicated by a standard thermometer
DX Ans: ✓ ✓ ✓ Direct expansion. Equipment that uses an evaporating refrigerant to cool air
EA Ans: ✓ ✓ ✓ Exhaust air
Economizer Ans: ✓ ✓ ✓ Cooling with outdoor air
Emissivity Ans: ✓ ✓ ✓ Tendency of a surface to radiate heat
Enthalpy Ans: ✓ ✓ ✓ Total heat in an air/water vapor mixture
Entropy Ans: ✓ ✓ ✓ Tendency toward uniform inertness
Grain Ans: ✓ ✓ ✓ 1/7,000 of a pound
Head Ans: ✓ ✓ ✓ Total mechanical energy in a fluid at a point in a piping system.
Heat pump Ans: ✓ ✓ ✓ A reversible refrigeration machine
© Get it right 2025 Getaway - Stuvia US All rights reserved
