EBK FUNDAMENTALS OF MATERIALS SCIENCE A
5th Edition
ISBN: 9781119175506
Author: RETHWISCH
Publisher: JOHN WILEY+SONS INC.
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Question
Chapter 13.16, Problem 5QP
To determine
To explain:
Why the gray iron is brittle and weak in tension on the basis of microstructure.
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Students have asked these 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 V
Don't use ai to answer I will report you answer
Show 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 kW
Chapter 13 Solutions
EBK FUNDAMENTALS OF MATERIALS SCIENCE A
Ch. 13.16 - Prob. 1QPCh. 13.16 - Prob. 2QPCh. 13.16 - Prob. 3QPCh. 13.16 - Prob. 4QPCh. 13.16 - Prob. 5QPCh. 13.16 - Prob. 6QPCh. 13.16 - Prob. 7QPCh. 13.16 - Prob. 8QPCh. 13.16 - Prob. 9QPCh. 13.16 - Prob. 10QP
Ch. 13.16 - Prob. 11QPCh. 13.16 - Prob. 12QPCh. 13.16 - Prob. 13QPCh. 13.16 - Prob. 14QPCh. 13.16 - Prob. 15QPCh. 13.16 - Prob. 16QPCh. 13.16 - Prob. 17QPCh. 13.16 - Prob. 18QPCh. 13.16 - Prob. 19QPCh. 13.16 - Prob. 20QPCh. 13.16 - Prob. 21QPCh. 13.16 - Prob. 22QPCh. 13.16 - Prob. 23QPCh. 13.16 - Prob. 1DPCh. 13.16 - Prob. 2DPCh. 13.16 - Prob. 3DPCh. 13.16 - Prob. 4DPCh. 13.16 - Prob. 5DPCh. 13.16 - Prob. 6DPCh. 13.16 - Prob. 7DPCh. 13.16 - Prob. 8DPCh. 13.16 - Prob. 1FEQPCh. 13.16 - Prob. 2FEQPCh. 13.16 - Prob. 3FEQPCh. 13.16 - Prob. 4FEQP
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