EBK BUSINESS DRIVEN INFORMATION SYSTEMS
5th Edition
ISBN: 8220102797543
Author: PHILLIPS
Publisher: YUZU
expand_more
expand_more
format_list_bulleted
Question
Chapter 4, Problem PIIIAYKBP
To determine
Mention the reaction in various situations.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
2)
The phase voltage at the terminals of a balanced three-phase Y-connected load is 2400 V. The load
has an impedance of 16+j12 2/6 and is fed from a line having an impedance of 0.10+j0.80 2/6. The Y-
connected source at the sending end of the line has a positive phase sequence and an internal impedance of
0.02+j0.16 2/6. Use the a-phase voltage at the load as the reference.
a) Construct the a-phase equivalent circuit of the system
b) Calculate the line currents IaA, IbB, and Icc
c) Calculate the phase voltages at the terminals of the source, Van, Vbn, Vcn-
d) Calculate the line voltages at the source, Vab, Vbc and Vca.
e) Calculate the internal phase-to-neutral voltages at the source, Va'n, Vb'n, Ve'n,
1)
•
A balanced three-phase circuit has the following characteristics:
Y-Y connected
The line voltage at the source is Vab = 120√3(0°V
•
The phase sequence is positive
The line impedance is 2+ j3 2/0
The load impedance is 28 + j37 02/0
a) [4 pts] Draw the single phase equivalent circuit for the a-phase.
b) [2 pts] Calculate the line current IaA in the a-phase.
c) [4 pts] Calculate the line voltage VAB at the load in the a-phase.
||!
Sign in
MMB241 - Tutorial L9.pd X PDF MMB241 - Tutorial L10.pX DE MMB241 - Tutorial L11.p x PDF Lecture W12 - Work and X
File C:/Users/KHULEKANI/Desktop/mmb241/MMB241%20-%20Tutorial%20L11.pdf
PDE Lecture W11 - Power and X
Draw
Alla | Ask Copilot
++
3
of 3
| D
6. If the 50-kg load A is hoisted by motor M so that the load has a constant velocity of 1.5
m/s, determine the power input to the motor, which operates at an efficiency € = 0.8.
1.5 m/s
2
7. The sports car has a mass of 2.3 Mg, and while it is traveling at 28 m/s the driver causes
it to accelerate at 5m/s². If the drag resistance on the car due to the wind is FD= 0.3v²N,
where v is the velocity in m/s, determine the power supplied to the engine at this instant.
The engine has a running efficiency of P = 0.68.
8. If the jet on the dragster supplies a constant thrust of T-20 kN, determine the power
generated by the jet as a function of time. Neglect drag and rolling resistance, and the loss
of fuel. The dragster has a mass of 1…
Chapter 4 Solutions
EBK BUSINESS DRIVEN INFORMATION SYSTEMS
Ch. 4 - Prob. 1OCQCh. 4 - Prob. 2OCQCh. 4 - Prob. 3OCQCh. 4 - Prob. 4OCQCh. 4 - Prob. 5OCQCh. 4 - Prob. 6OCQCh. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQ
Ch. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - Prob. 10RQCh. 4 - Prob. 11RQCh. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 1CCOCh. 4 - Prob. 2CCOCh. 4 - Prob. 3CCOCh. 4 - Prob. 4CCOCh. 4 - Prob. 1CCTCh. 4 - Prob. 2CCTCh. 4 - Prob. 3CCTCh. 4 - Prob. 4CCTCh. 4 - Prob. 5CCTCh. 4 - Prob. 6CCTCh. 4 - Prob. 1CBTCh. 4 - Prob. 2CBTCh. 4 - Prob. 3CBTCh. 4 - Prob. 4CBTCh. 4 - Prob. 5CBTCh. 4 - Prob. 6CBTCh. 4 - Prob. 7CBTCh. 4 - Prob. 8CBTCh. 4 - Prob. 9CBTCh. 4 - Prob. 1ECCh. 4 - Prob. 2ECCh. 4 - Prob. 3ECCh. 4 - Prob. PIAYKBPCh. 4 - Prob. PIIAYKBPCh. 4 - Prob. PIIIAYKBPCh. 4 - Prob. PIVAYKBPCh. 4 - Prob. PVAYKBPCh. 4 - Prob. PVIAYKBP
Knowledge Booster
Similar questions
- Q | Sign in PDE Lecture W09.pdf PDF MMB241 - Tutorial L9.pdi X PDF MMB241 - Tutorial L10.p X PDF MMB241 - Tutorial L11.p X Lecture W12-Work and X + File C:/Users/KHULEKANI/Desktop/mmb241/Lecture%20W12%20-%20Work%20and%20Energy.pdf ||! Draw | IA | a | Ask Copilot Class Work + 33 of 34 D Question 1 The engine of a 3500-N car is generating a constant power of 50 hp (horsepower) while the car is traveling up the slope with a constant speed. If the engine is operating with an efficiency of € 0.8, determine the speed of the car. Neglect drag and rolling resistance. Use g 9.81 m/s² and 1 hp = 745.7 W. 10 го Question 2 A man pushes on a 60-N crate with a force F. The force is always directed downward at an angle of 30° from the horizontal, as shown in the figure. The magnitude of the force is gradually increased until the crate begins to slide. Determine the crate's initial acceleration once it starts to move. Assume the coefficient of static friction is μ = 0.6, the coefficient of kinetic…arrow_forwardFind the value of V0 using the superposition method. Note: The answer is V0=-428.57mvarrow_forwardResolver por superposicionarrow_forward
- Steam at atmospheric pressure (Tsat = 100oC, hfg = 2.257×106 J/kg) is in contact with a horizontal tube through which a cooling fluid is circulated. The tube has 0.0334 m outside diameter, 1 m length, and an outside-surface temperature that is maintained at 60oC. Determine the rate of heat that the cooling fluid must remove and the condensation rate. For water at average temperature, ρ L = 974 kg/m3, k = 0.668 W/m·K, ρ v = 0.516 kg/m3, ν L = 0.364×10-6m2/s. g =9.81 m/s2.arrow_forwardSurface A1 of the system shown in the figure below is a graybody with emissivity of 0.56 andsurface A2 is a blackbody.Can you determine view factors F1-2 and F2-1. And draw an analogous electrical circuit based on Ohm’s law and determine the net radiation heat transfer from surface A1 to surface A2 if T1 = 500oC and T2 = 27oC. For the graybody, α = ε. Stefan-Boltzmann constant, σ = 5.676 × 10-8 W/m2·K4.arrow_forwardAn aluminum saucepan has a handle that is fixed to its wall. The handle itself is made of low carbon steel, and will have a plastic grip attached to it that is comfortable to grasp. Before selecting a plastic, it is necessary to have information on the temperature of the carbon steel handle. The carbon steel handle can be considered as a rod 11 mm in diameter and 45 mm long. When being used over a stove burner, the ambient temperature T∞ is 30 oC, and the temperature at the base of the handle reaches T0 = 100 oC. The convective heat transfer coefficient h is 8 W/m2·K and k = 43 W/m·K for low carbon steel. Can you derive the differential equation for the temperature of handle with x as a spatial variable and determine the temperature of handle at the position of 40 mm from the base. Using the general solution attached. Also Can you determine the total heat transfer rate (q) from the handle using the above temperature profile equation and determine the total heat transfer rate (q) from…arrow_forward
- For forced convection, the important variables, their symbols, and dimensional representations are listed below. From the Buckingham method of grouping the variables, the rank of the dimensional matrix is 4. What is the number of independent dimensionless groups in this case? By utilizing the dimensional- analysis approach, find a dimensionless group. (Show just one dimensionless group you can find)arrow_forwardA parallel flow heat exchanger with surface area of 62.5 m2 is to be designed for cooling oil at 80oC with specific heat of 2.5 kJ/kg·oC and mass flow rate of 5.0 kg/s. Water at 15oC flowing at 9.94 kg/s is used as the cooling fluid (cp = 4.19 kJ/kg·oC). 1 W = 1 J/s Can you determine the heat transfer rate and outlet temperatures, assuming an overall heat transfer coefficient equal to 300 W/m2·oC. For heat transfer rate, use the effectiveness, ε, and Check the results with log-mean temperature difference approach. (Calculate the heat transfer rate and compare the value in (1))varrow_forwardDon't use ai to answer I will report you answerarrow_forward
- If a trolley has a 120VDC power supply intended to power auxiliary components such as lights, buzzers, and speakers, how would the speakers connect to that power system? I understand that speakers typically operate on AC, so what is the most efficient way to connect them to the 120VDC setup? Additionally, could you provide an estimate of the power output for the speakers?arrow_forwardA 5 cm diameter, 60 cm long aluminum cylinder initially at 50 oC is submerged in an ice-water bath at 2 oC. The convective heat transfer coefficient between the metal and the bath is 550 W/m2·K. Using the lumped parameter analysis, derive the equation below. Show procedures in detail please.And determine the central temperature of the aluminum after 1 min. For aluminum, k = 236 W/m·K, ρ =2702 kg/m3, and cp= 896 J/kg·K. (1 W = 1 J/s) Then calculate the cumulative heat transfer for the first 1 min.(the first law of theromodynamics is attached and the. needed equation to derive)arrow_forwardRadioactive waste is stored in the spherical stainless-steel container as shown schematically in the figure below. Heat generated within the waste material must be dissipated by conduction through the steel shell and then by convection to the cooling water. Pertinent dimensions and system operating variables are Inside radius of steel shell, ri = 0.4 m; Outside radius of steel shell, ro = 0.5 m Volumetric rate of heat generated within waste material, q˙= 105 W/m3, Thermal conductivity of steel = 15 W/m·K; Thermal conductivity of waste = 20 W/m·K, Convective heat-transfer coefficient between steel shell and water, h = 800 W/m2·K, Water temperature, T∞ = 25 oC. In the stainless-steel shell, the temperature profile as a function of radius, r can be expressed as follows:Can you: At steady state, calculate the temperature at the outside steel surface (r = ro). And Calculate the temperature at the inside steel surface (r = ri).arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
MATLAB: An Introduction with ApplicationsEngineeringISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
Essentials Of Materials Science And EngineeringEngineeringISBN:9781337385497Author:WRIGHT, Wendelin J.Publisher:Cengage,
Industrial Motor ControlEngineeringISBN:9781133691808Author:Stephen HermanPublisher:Cengage Learning
Basics Of Engineering EconomyEngineeringISBN:9780073376356Author:Leland Blank, Anthony TarquinPublisher:MCGRAW-HILL HIGHER EDUCATION
Structural Steel Design (6th Edition)EngineeringISBN:9780134589657Author:Jack C. McCormac, Stephen F. CsernakPublisher:PEARSON
Fundamentals of Materials Science and Engineering...EngineeringISBN:9781119175483Author:William D. Callister Jr., David G. RethwischPublisher:WILEY
MATLAB: An Introduction with Applications
Engineering
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Essentials Of Materials Science And Engineering
Engineering
ISBN:9781337385497
Author:WRIGHT, Wendelin J.
Publisher:Cengage,
Industrial Motor Control
Engineering
ISBN:9781133691808
Author:Stephen Herman
Publisher:Cengage Learning
Basics Of Engineering Economy
Engineering
ISBN:9780073376356
Author:Leland Blank, Anthony Tarquin
Publisher:MCGRAW-HILL HIGHER EDUCATION
Structural Steel Design (6th Edition)
Engineering
ISBN:9780134589657
Author:Jack C. McCormac, Stephen F. Csernak
Publisher:PEARSON
Fundamentals of Materials Science and Engineering...
Engineering
ISBN:9781119175483
Author:William D. Callister Jr., David G. Rethwisch
Publisher:WILEY