FUNDAMENTALS OF MATERIALS SCIENCE AND E
5th Edition
ISBN: 9781119571803
Author: Callister
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Question
Chapter 3.21, Problem 21QP
To determine
The unit cell volume of cobalt.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
(a) Three 20 µF capacitors are star-connected across
a 400 V, 50 Hz, three-phase, three-wire supply.
Calculate the current in each line. (b) If one of the
capacitors is short-circuited, calculate the line cur
rents. (c) If one of the capacitors is open-circuited,
calculate: the line currents and the p.d. across each
of the other two capacitors.
ANS:
1.525 A; 2.64 A, 2.64 A, 4.57 A; 1.32 A, 1.32 A, 0;
210 V
Explain the advantages of three-phase supply for
distribution purposes.
(b) Assuming the relationship between the line and
phase values of currents and voltages, show that
the active power input to a three-phase balanced
load is √3VI cos φ, where V and I are line quantities.
(c) Three similar inductors, each of resistance 10 Ω
and inductance 0.019 H, are delta-connected to a
three-phase, 400 V, 50 Hz sinusoidal supply. Calcu
late: the value of the line current; the power
factor and the active power input to the circuit.
ANS:
59.5 A, 0.858 lag, 35.5 kW
not use ai please
Chapter 3 Solutions
FUNDAMENTALS OF MATERIALS SCIENCE AND E
Ch. 3.21 - Prob. 1QPCh. 3.21 - Prob. 2QPCh. 3.21 - Prob. 3QPCh. 3.21 - Prob. 4QPCh. 3.21 - Prob. 5QPCh. 3.21 - Prob. 6QPCh. 3.21 - Prob. 7QPCh. 3.21 - Prob. 8QPCh. 3.21 - Prob. 9QPCh. 3.21 - Prob. 10QP
Ch. 3.21 - Prob. 11QPCh. 3.21 - Prob. 12QPCh. 3.21 - Prob. 13QPCh. 3.21 - Prob. 14QPCh. 3.21 - Prob. 15QPCh. 3.21 - Prob. 16QPCh. 3.21 - Prob. 17QPCh. 3.21 - Prob. 18QPCh. 3.21 - Prob. 19QPCh. 3.21 - Prob. 20QPCh. 3.21 - Prob. 21QPCh. 3.21 - Prob. 22QPCh. 3.21 - Prob. 23QPCh. 3.21 - Prob. 24QPCh. 3.21 - Prob. 25QPCh. 3.21 - Prob. 26QPCh. 3.21 - Prob. 27QPCh. 3.21 - Prob. 28QPCh. 3.21 - Prob. 29QPCh. 3.21 - Prob. 30QPCh. 3.21 - Prob. 31QPCh. 3.21 - Prob. 32QPCh. 3.21 - Prob. 33QPCh. 3.21 - Prob. 34QPCh. 3.21 - Prob. 35QPCh. 3.21 - Prob. 36QPCh. 3.21 - Prob. 37QPCh. 3.21 - Prob. 38QPCh. 3.21 - Prob. 39QPCh. 3.21 - Prob. 40QPCh. 3.21 - Prob. 41QPCh. 3.21 - Prob. 42QPCh. 3.21 - Prob. 43QPCh. 3.21 - Prob. 44QPCh. 3.21 - Prob. 45QPCh. 3.21 - Prob. 46QPCh. 3.21 - Prob. 47QPCh. 3.21 - Prob. 48QPCh. 3.21 - Prob. 49QPCh. 3.21 - Prob. 50QPCh. 3.21 - Prob. 53QPCh. 3.21 - Prob. 54QPCh. 3.21 - Prob. 55QPCh. 3.21 - Prob. 56QPCh. 3.21 - Prob. 57QPCh. 3.21 - Prob. 58QPCh. 3.21 - Prob. 59QPCh. 3.21 - Prob. 60QPCh. 3.21 - Prob. 61QPCh. 3.21 - Prob. 62QPCh. 3.21 - Prob. 63QPCh. 3.21 - Prob. 64QPCh. 3.21 - Prob. 65QPCh. 3.21 - Prob. 66QPCh. 3.21 - Prob. 67QPCh. 3.21 - Prob. 68QPCh. 3.21 - Prob. 69QPCh. 3.21 - Prob. 70QPCh. 3.21 - Prob. 71QPCh. 3.21 - Prob. 72QPCh. 3.21 - Prob. 73QPCh. 3.21 - Prob. 74QPCh. 3.21 - Prob. 75QPCh. 3.21 - Prob. 76QPCh. 3.21 - Prob. 77QPCh. 3.21 - Prob. 78QPCh. 3.21 - Prob. 79QPCh. 3.21 - Prob. 80QPCh. 3.21 - Prob. 81QPCh. 3.21 - Prob. 82QPCh. 3.21 - Prob. 83QPCh. 3.21 - Prob. 84QPCh. 3.21 - Prob. 85QPCh. 3.21 - Prob. 86QPCh. 3.21 - Prob. 87QPCh. 3.21 - Prob. 88QPCh. 3.21 - Prob. 89QPCh. 3.21 - Prob. 90QPCh. 3.21 - Prob. 91QPCh. 3.21 - Prob. 92QPCh. 3.21 - Prob. 93QPCh. 3.21 - Prob. 94QPCh. 3.21 - Prob. 95QPCh. 3.21 - Prob. 96QPCh. 3.21 - Prob. 97QPCh. 3.21 - Prob. 98QPCh. 3.21 - Prob. 99QPCh. 3.21 - Prob. 100QPCh. 3.21 - Prob. 101QPCh. 3.21 - Prob. 102QPCh. 3.21 - Prob. 103QPCh. 3.21 - Prob. 1SSPCh. 3.21 - Prob. 1FEQPCh. 3.21 - Prob. 2FEQPCh. 3.21 - Prob. 3FEQPCh. 3.21 - Prob. 4FEQPCh. 3.21 - Prob. 5FEQP
Knowledge Booster
Similar questions
- A three-phase, 400 V, star-connected motor has an output of 50 kW, with an efficiency of 90 per cent and a power factor of 0.85. Calculate the line current. Sketch a phasor diagram showing the voltages and currents. If the motor windings were connected in mesh, what would be the correct voltage of a three phase supply suitable for the motor? ANS: 90.8 A, 240 Varrow_forwardDon't use ai to answer I will report you answerarrow_forwardShow with the aid of a phasor diagram that for both star- and delta-connected balanced loads, the total active power is given by √3VI cos φ, where V and I are the line values of voltage and current respectively and φ is the angle between phase values of voltage and current. A balanced three-phase load consists of three coils, each of resistance 4 Ω and inductance 0.02 H. Determine the total active power when the coils are (a) star-connected, (b) delta-connected to a 400 V, three phase, 50 Hz supply. ANS:11.56 kW, 34.7 kWarrow_forward
- The load connected to a three-phase supply comprises three similar coils connected in star. The line currents are 25 A and the apparent and active power inputs are 20 kVA and 11 kW respectively. Find the line and phase voltages, reactive power input and the resistance and reactance of each coil. If the coils are now con nected in delta to the same three-phase supply, calculate the line currents and the active power taken. ANS : 462 V, 267 V, 16.7 kvar, 5.87 Ω, 8.92 Ω; 75 A, 33 kWarrow_forwardA three-phase delta-connected load, each phase of which has an inductive reactance of 40 Ω and a resistance of 25 Ω, is fed from the secondary of a three-phase star-connected transformer which has a phase voltage of 230 V. Draw the circuit diagram of the system and calculate: (a) the current in each phase of the load; (b) the p.d. across each phase of the load; (c) the current in the transformer secondary windings; the total active power taken from the supply and its power factor.arrow_forwardDerive the numerical relationship between the line and phase currents for a balanced three-phase delta connected load. Three coils are connected in delta to a three-phase, three-wire, 400 V, 50 Hz supply and take a line current of 5 A 0.8 power factor lagging. Calculate the resistance and inductance of the coils. If the coils are star-connected to the same supply, calculate the line current and the total power. Calculate the line cur rents if one coil becomes open-circuited when the coils are connected in star. Ans: 110.7 Ω, 0.264 H; 1.67 A, 926 W; 1.445 A, 1.445 A, 0arrow_forward
- Derive, for both star- and delta-connected systems, an expression for the total power input for a balanced three-phase load in terms of line voltage, line current and power factor. The star-connected secondary of a transformer supplies a delta-connected motor taking a power of 90 kW at a lagging power factor of 0.9. If the volt age between lines is 600 V, calculate the current in the transformer winding and in the motor winding. Draw circuit and phasor diagrams, properly labelled, showing all voltages and currents in the transformer secondary and the motor. ANS: . 96.2 A, 55.6 Aarrow_forwardFind the reaction at A and B The other response I got was not too accurate,I need expert solved answer, don't use Artificial intelligence or screen shot it solvingarrow_forwardDeduce the relationship between the phase and the line voltages of a three-phase star-connected generator. If the phase voltage of a three-phase star-connected generator is 200 V, what will be the line voltages: (a) when the phases are correctly connected; (b) when the connections to one of the phases are reversed? ans: 346 V; 346 V, 200 V, 200 Varrow_forward
- What is Windows Server and what is the Differences between Windows Server 2019 and the Windows Operating System that people have installed on their personal computer.arrow_forwardNo chatgpt plsarrow_forward1. (a) Explain Rankine's Theory of lateral earth pressures (at rest, active and passive) in terms of Mohr's circles. (6%) (b) What are the two important assumptions of Rankine in determination of lateral earth pressures on a retaining structure? (4%) (c) Show all the pressures acting on the wall below and determine them (30%) 0.5m 10 5.0 m 1.0 m Sand Y-18.5 kN/m³ $-36° Tos m 1.5m 1.0 m 1.0 marrow_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