ENGINEERING DESIGN PROCESS
3rd Edition
ISBN: 9781305253285
Author: HAIK
Publisher: CENGAGE L
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Chapter 3.7, Problem 2P
To determine
The three findings of ASME codes of ethics.
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4) Find the phasor voltage Vs for the following circuit if loads L1 and L2 are absorbing 15 kVA at 0.6 pf
lagging and 6 kVA at 0.8 pf leading, respectively. Express Vs in polar form.
+
j10
+
200/0° V(rms) | L1
Li
L2
• We will use the Wattmeter to find the average power supplied/absorbed by each component.
The following figure shows how to connect the Wattmeter to measure the average power
absorbed by the resistor. Note that the Wattmeter consists of a Voltmeter and an Ammeter. The
Voltmeter must be connected in parallel with the component and the Ammeter must be connected
in series with the component. You must pay attention to the polarity of the voltage across the
component as well as the direction of the current flowing through the component.
5Vpk
1kHz
30°
ww
40
Z=A-JB
Wattmeter-XWM1
2.503 W
Power factor:
1.00000
Voltage
Current
•
•
Similarly connect a second Wattmeter to measure the average power supplied by the source.
Connect a third Wattmeter to measure the average power in the capacitor. Does this value agree
with the theoretical value?
Perform Interactive Simulation under Analysis and Simulation. Double click on Wattmeters to
see the average power values. Note that the Wattmeter also…
3) A 100-V rms, 60 Hz source is applied to a load impedance Z. The apparent power entering the load is
120 VA at a power factor of 0.707 lagging.
a) Calculate the complex power
b) Find the rms current supplied to the load
c) Determine Z
d) Assuming that Z = R + jwL, find the values of R and L.
Chapter 3 Solutions
ENGINEERING DESIGN PROCESS
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- Please solve in detail this problem thank youarrow_forward0,5 mm 450 mm 350 mm Bronze A = 1500 mm² E = 105 GPa प 21.6 × 10-PC Aluminum A = 1800 mm² £ = 73 GPa = a 23.2 × 10-PC PROBLEM 2.58 Knowing that a 0.5-mm gap exists when the temperature is 24°C, determine (a) the temperature at which the normal stress in the aluminum bar will be equal to -75 MPa, (b) the corresponding exact length of the aluminum bar.arrow_forward0.5 mm 450 mm -350 mm Bronze Aluminum A 1500 mm² A 1800 mm² E 105 GPa E 73 GPa K = 21.6 X 10 G < = 23.2 × 10-G PROBLEM 2.59 Determine (a) the compressive force in the bars shown after a temperature rise of 82°C, (b) the corresponding change in length of the bronze bar.arrow_forward
- Three speech signals are TDM multiplexed with a high-quality music signal. If each speech signal is sampled at 16 kHz and PCM quantized by 8 bits/sample, while the music signal is sampled at 64 kHz with the same PCM quantizer. 1. Draw the block diagram of this TDM. 2. Calculate the output bit rate of this TDM.arrow_forwardThe truss shown below sits on a roller at A and a pin at E. Determine the magnitudes of the forces in truss members GH, GB, BC and GC. State whether they are in tension or compression or are zero force members.arrow_forward2P -1.8 m- -1.8 m- -B Wo P -1.8 m- Carrow_forward
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