Exam 42: Heat Gain and Heat Loss in Buildings
Exam 1: Heat and Pressure45 Questions
Exam 2: Matter and Energy32 Questions
Exam 3: Refrigeration and Refrigerants38 Questions
Exam 4: General Safety Practices31 Questions
Exam 5: Tools and Equipment30 Questions
Exam 6: Fasteners32 Questions
Exam 7: Tubing and Piping45 Questions
Exam 8: Leak Detection, System Evacuation and System Clean-Up33 Questions
Exam 9: Refrigerant and Oil Chemistry and Managementrecovery, Recycling, Reclaiming, and Retrofitting39 Questions
Exam 10: System Charging27 Questions
Exam 11: Calibrating Instruments34 Questions
Exam 12: Basic Electricity and Magnetism46 Questions
Exam 13: Introduction to Automatic Controls30 Questions
Exam 14: Automatic Control Components and Applications34 Questions
Exam 15: Troubleshooting Basic Controls33 Questions
Exam 16: Advanced Automatic Controlsdirect Digital Controls Ddc and Pneumatics35 Questions
Exam 17: Types of Electric Motors36 Questions
Exam 18: Application of Motors33 Questions
Exam 19: Motor Controls31 Questions
Exam 20: Troubleshooting Electric Motors30 Questions
Exam 21: Evaporators and the Refrigeration System37 Questions
Exam 22: Condensers35 Questions
Exam 23: Compressors35 Questions
Exam 24: Expansion Devices29 Questions
Exam 25: Special Refrigeration System Components35 Questions
Exam 26: Application of Refrigeration Systems34 Questions
Exam 27: Commercial Ice Machines35 Questions
Exam 28: Special Refrigeration Applications27 Questions
Exam 29: Troubleshooting and Typical Operating Conditions for Commercial Refrigeration34 Questions
Exam 30: Electric Heat29 Questions
Exam 31: Gas Heat27 Questions
Exam 32: Oil Heat35 Questions
Exam 33: Hydronic Heat35 Questions
Exam 34: Indoor Air Quality35 Questions
Exam 35: Comfort and Psychrometrics35 Questions
Exam 36: Refrigeration Applied to Air Conditioning31 Questions
Exam 37: Air Distribution and Balance35 Questions
Exam 38: Installation32 Questions
Exam 39: Residential Energy Auditing35 Questions
Exam 40: Typical Operating Conditions25 Questions
Exam 41: Troubleshooting28 Questions
Exam 42: Heat Gain and Heat Loss in Buildings35 Questions
Exam 43: Air Source Heat Pumps35 Questions
Exam 44: Geothermal Heat Pumps31 Questions
Exam 45: Domestic Refrigerators and Freezers35 Questions
Exam 46: Room Air Conditioners34 Questions
Exam 47: High-Pressure, Low-Pressure, and Absorption Chilled-Water Systems35 Questions
Exam 48: Cooling Towers and Pumps30 Questions
Exam 49: Operation, Maintenance, and Troubleshooting of Chilled-Water Air Conditioning Systems28 Questions
Exam 50: Commercial Rooftop, Packaged, Variable Refrigerant Flow, and Variable Air Volume Systems35 Questions
Select questions type
The temperature on both sides of an exterior wall or panel is needed to help determine how much heat is entering or leaving the structure.
Free
(True/False)
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Correct Answer:
True
The heat gain on a structure can be summarized as the sum of the conduction loads, the internal loads, the solar loads and the infiltration loads.
Free
(True/False)
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(80)
Correct Answer:
True
The sensible heat portion of the duct load can be calculated as: ____.
(Multiple Choice)
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Identify four ways that heat losses from the conditioned space can occur.
(Essay)
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(74)
The ____-value is typically used to rate the thermal resistance of insulation materials.
(Multiple Choice)
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If a wall of a structure is comprised of a number of different materials, how is the R-value determined?
(Essay)
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When it comes to sizing air conditioning and heating equipment bigger is definitely better.
(True/False)
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What should be taken into account when performing a heat gain or heat loss calculation?
(Essay)
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One of the most commonly used characteristics of building construction materials is the ____-value.
(Multiple Choice)
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The occupants of a house do not add to the heat gain of the structure.
(True/False)
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Construction materials have a minor effect on the rate of heat transfer through the structural envelope.
(True/False)
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The ____________________ is simply the sum of the individual heat losses of the structure.
(Short Answer)
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The U-value and the ____________________ are inverses of each other.
(Short Answer)
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Oversized air conditioning equipment will cool the space faster.
(True/False)
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The total heat loss for a structure is simply the sum of the heat losses experienced by all of the construction elements that make up a particular structure.
(True/False)
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The _____________________-value describes the thermal conductivity of a material.
(Short Answer)
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The term that is used to describe the area of a wall before any doors or windows are cut into it is ____________________.
(Short Answer)
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There are different methods to calculate the heat gain on a structure based on the type of house and the number of wall exposures it has.
(True/False)
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