EBK FUNDAMENTALS OF MATERIALS SCIENCE A
5th Edition
ISBN: 9781119175506
Author: RETHWISCH
Publisher: JOHN WILEY+SONS INC.
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Question
Chapter 6.8, Problem 8QP
To determine
To compute:
The number of hydrogen that pass per hour through sheet of palladium.
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Students have asked these similar questions
A 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.
Derive 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, 0
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 A
Chapter 6 Solutions
EBK FUNDAMENTALS OF MATERIALS SCIENCE A
Ch. 6.8 - Prob. 1QPCh. 6.8 - Prob. 2QPCh. 6.8 - Prob. 3QPCh. 6.8 - Prob. 4QPCh. 6.8 - Prob. 5QPCh. 6.8 - Prob. 6QPCh. 6.8 - Prob. 7QPCh. 6.8 - Prob. 8QPCh. 6.8 - Prob. 9QPCh. 6.8 - Prob. 10QP
Ch. 6.8 - Prob. 11QPCh. 6.8 - Prob. 12QPCh. 6.8 - Prob. 13QPCh. 6.8 - Prob. 14QPCh. 6.8 - Prob. 15QPCh. 6.8 - Prob. 16QPCh. 6.8 - Prob. 17QPCh. 6.8 - Prob. 18QPCh. 6.8 - Prob. 19QPCh. 6.8 - Prob. 20QPCh. 6.8 - Prob. 21QPCh. 6.8 - Prob. 22QPCh. 6.8 - Prob. 23QPCh. 6.8 - Prob. 24QPCh. 6.8 - Prob. 25QPCh. 6.8 - Prob. 26QPCh. 6.8 - Prob. 27QPCh. 6.8 - Prob. 28QPCh. 6.8 - Prob. 29QPCh. 6.8 - Prob. 30QPCh. 6.8 - Prob. 31QPCh. 6.8 - Prob. 32QPCh. 6.8 - Prob. 33QPCh. 6.8 - Prob. 34QPCh. 6.8 - Prob. 35QPCh. 6.8 - Prob. 36QPCh. 6.8 - Prob. 37QPCh. 6.8 - Prob. 38QPCh. 6.8 - Prob. 39QPCh. 6.8 - Prob. 40QPCh. 6.8 - Prob. 41QPCh. 6.8 - Prob. 42QPCh. 6.8 - Prob. 43QPCh. 6.8 - Prob. 44QPCh. 6.8 - Prob. 45QPCh. 6.8 - Prob. 46QPCh. 6.8 - Prob. 47QPCh. 6.8 - Prob. 1DPCh. 6.8 - Prob. 2DPCh. 6.8 - Prob. 3DPCh. 6.8 - Prob. 4DPCh. 6.8 - Prob. 5DPCh. 6.8 - Prob. 1FEQPCh. 6.8 - Prob. 2FEQP
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