Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 35, Problem 2RQ
State three ways the body gives off heat.
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When heat energy transfers through a liquid
or gas, what is it called?
Select one:
a. Conduction
b. Convection
c. Radiation
d. Induction
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Chapter 35 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 35 - Name the four comfort factors.Ch. 35 - State three ways the body gives off heat.Ch. 35 - Lower room temperatures can be offset in winter by...Ch. 35 - Perspiration cools the body by________.Ch. 35 - Relative humidity is measured using a A....Ch. 35 - Name the two unknowns that are easiest to obtain...Ch. 35 - Air that contains all of the moisture that it can...Ch. 35 - In order for an air-conditioning coil to remove...Ch. 35 - For a room to be comfortable, the following...Ch. 35 - With a dry-bulb reading of 70F and a wet-bulb...
Ch. 35 - Relative humidity in question 10 is _______%.Ch. 35 - A gas furnace has an output of 60,000 Btu/h. The...Ch. 35 - A house has 3500ft2 of floor space and a 9-ft...Ch. 35 - If the fresh-air requirements for the house in...Ch. 35 - If the outside fresh-air conditions were to be 93F...Ch. 35 - If the air leaving the cooling coil were to be 55F...Ch. 35 - Using the answers from questions 14, 15, and 16,...Ch. 35 - Describe why fresh air is important in a house.
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is not a true statement about heat transfer? a. Whenever the temperature of something changes, a transfer of heat has occurred. b. Conduction is the transfer of heat by infrared rays. c. Light bulbs are examples of heat transfer by radiation. d. Convection occurs when a hot object moves to an area with less heat.arrow_forward1)with an aid of a drawing show how a Central cooling system that cool different machinery in the ship engine room. 2)arrow_forward4. Describe each of the three methods of heat transfer, in your own words. Make sure to explain how you can tell that that kind of heat transfer is happening.a. Conductionb. Convectionc. Radiationarrow_forward
- Define Energy.arrow_forwardA domestic refrigerator sits in a kitchen, switched on, with the refrigerator door wide open. The kitchen itself is well insulated and it can be assumed no heat can escape or enter the kitchen from the outside. Which of the following is the most accurate statement. a. The temperature in the kitchen will go down very slightly. O b. The temperature in the kitchen could go up or down, depending on the Coefficient of Performance (COP) of the refrigerator. O c. The temperature in the kitchen could go up or down depending on the mechanical efficiency of the compressor. O d. The temperature in the kitchen will stay the same. O e. The temperature in the kitchen will go up very slightly.arrow_forwardselect the incorrect statement a. work and heat transfer represent energy crossing a boundary. b. differential of work and heat transfer are exact. c. work and heat transfer are path integral. d. net work and net heat transfer are equal for a cycle.arrow_forward
- Provide complete solution and detailed diagram. How much heat, KJ must be transferred to 20 kg of air to increase the temperature from 20oC to 280oC if pressure is remained constant ? A. 2500 B. 2050 C. 5200 D. 5500arrow_forward42.The amount of heat required to raise the temperature of 2 kg of iron (sp. Heat = 0.115 kcal/kg-C) from 27C to 100C is:arrow_forwardWhen heat energy transfers through a solid, what is it called? Select one: a. Convection b. Radiation c. Ambient equalization d. Conductionarrow_forward
- 1a) Explain the situation happened when hot object have a contact with a cooler object. Do relate the explanation until the thermal equilibrium occured. b) Describe the method of heat transfer of above situation in 1a. c). List another two methods of heat transfer. Explain both.arrow_forwardWhich of the following statements is true? (There are multiple answers I think) a. In the energy equation, work done by pressure is neglected. b. In energy equation, the kinetic and potential energy of fluid parcels are accounted for. c. Bernoulli can be expressed in the form of pressure and head. d. Bernoulli equation states that various forms of mechanical energy are converted to eachother.arrow_forwardSpecific Heat deals with the internal energy in transit that transfers due to the constant temperature. True or Falsearrow_forward
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