Bundle: Refrigeration And Air Conditioning Technology, 8th + Lab Manual + Lms Integrated For Mindtap Hvac-r, 4 Terms (24 Months) Printed Access Card
8th Edition
ISBN: 9781337087315
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 32, Problem 1RQ
How many grades of fuel oil are normally considered as heating oils?
Expert Solution & Answer
To determine
The grade of fuel oil consider as heating oils.
Explanation of Solution
Fuel oil is the other term used for fossil fuels, natural gas etc. Fuel oil can be considered as the combination of liquid hydrocarbons having chemical combinations of hydrogen and carbon. Some fuels have heavy hydrocarbon and some have very light hydrocarbons.
Fuel has many applications as in transportation, electricity generation, heating systems, cooking etc. Fuel oil is produced from the crude oil which is mined from the ground by the help of distillation.
There are generally six grades of fuel based on their weigh per gallon. The grades are identified by the numbers from 1 to 6. 1 is designated to the fuel which has less weight per gallon and it is considered as light fuel. The weight of fuel is defined by its carbon content. Light fuels have low carbon content.
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The question has been set up with all the cuts needed to accurately derive expressions for V(x) and M(x). Using the cuts free body diagrams set up below, derive expressions for V(x) and M(x). If you use the method of cuts then validate your answers using calculus or vice versa.
It is required to treat 130 kmol/hr of chloroform-air feed gas mixture that contains
12% chloroform. It is required to remove 93% of chloroform using 150 kmol/hr of
solvent that contains 99.6% water and 0.4% chloroform. The cross sectional area of the
column is 0.8 m². Calculate the column height using the following data; kx'.a = 1.35
(kmol/m³.s (Ax)), and ky'.a = 0.06 (kmol/m³.s (Ay)), kx/ky = 1.35, and the equilibrium
data are:
X 0 0.0133 0.033
y 0 0.01 0.0266
0.049 0.064 0.0747 0.0933 0.1053
0.0433 0.06 0.0733
0.111
0.1
0.12
0.14
४
B:
Find the numerical solution for the 2D equation below and calculate the temperature values for
each grid point shown in Fig. 2 (show all steps).
(Do only one trail using following initial values and show the final matrix)
[T1]
T₂
T3
[T] 1
=
[0]
0
0
d
dx
dx)
(ka)+4(ka)
=
dy
-20xy, k = 1 + 0.3 T
ge
L=3cm, 4x= Ay
B.Cs.:
at x=0=LT=0°C
at y=0-L T=10°C
Fig. (2)
Chapter 32 Solutions
Bundle: Refrigeration And Air Conditioning Technology, 8th + Lab Manual + Lms Integrated For Mindtap Hvac-r, 4 Terms (24 Months) Printed Access Card
Ch. 32 - How many grades of fuel oil are normally...Ch. 32 - What two elements make up fuel oil?Ch. 32 - The most common fuel oil used for residential and...Ch. 32 - As the temperature of an oil sample decreases, A....Ch. 32 - If oil is to be stored at temperatures lower than...Ch. 32 - Prob. 6RQCh. 32 - If it is expected that an oil-fired appliance will...Ch. 32 - How many pounds of oxygen are required to burn 1...Ch. 32 - Explain the concept of excess air when it is used...Ch. 32 - Before fuel oil can be burned, it must be A....
Ch. 32 - What products of combustion are produced with...Ch. 32 - When incomplete combustion occurs, what additional...Ch. 32 - The minimum nozzle pressure for residential and...Ch. 32 - Prob. 14RQCh. 32 - Describe the three functions of the oil burner...Ch. 32 - Describe three common spray patterns for an oil...Ch. 32 - The purpose of the electrodes of an oil burner is...Ch. 32 - Prob. 18RQCh. 32 - Prob. 19RQCh. 32 - List the advantages a solid-state igniter has over...Ch. 32 - Which of the following is the typical output...Ch. 32 - Prob. 22RQCh. 32 - Prob. 23RQCh. 32 - Prob. 24RQCh. 32 - Explain the difference between the hot contacts...Ch. 32 - The purpose of the cad cell in an oil burner...Ch. 32 - Explain why it is important to keep the cad cell...Ch. 32 - A one-pipe system may be used when the oil tank is...Ch. 32 - Prob. 29RQCh. 32 - Prob. 30RQCh. 32 - The oil flame must not hit the combustion chamber...Ch. 32 - Describe the purpose of the heat exchanger.Ch. 32 - When servicing an oil burner, a service technician...Ch. 32 - Describe the function of the flame-retention ring...
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