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Determine the Disadvantages of expert systems
- Lacks common sense in some decision making processes
- Errors in the knowledge base can result in incorrect decisions being made
- Cannot adapt to changing environments unless knowledge base is continually updated
- needs considerable training to ensure system used correctly by operators
- Expensive system to set up in the first place
An industrial plant consumes 500 kWat a lagging power factor of 0.6. (a) Find the required kVA rating of a synchronous capacitor to improve the power factor to 0.9. (b) If a
Q. An antenna has an aperture area of 10 m 2 ,an aperture ef?ciency of 0.6, and negligible losses. If it is used at 5 GHz, determine: (a) Its power gain. (b) The maximum pow
V- I Characteristics The operation of the diac can be explained by imagining it as two diodes connected in series. When applied voltage in either polarity is small ( less t
Q. Explain working of Public Switched Telephone Network? Public Switched Telephone Network (PSTN) accommodates two kinds of subscribers: private andpublic. Subscribers to priv
A three-phase transposed line is composed of one conductor per phase with flat horizontal spacing of 11 m as shown in Figure 1(a). The conductors have a diameter of 3.625 cm and a
circuit used in window air conditioning
Q. Determine the Thevenin resistance viewed from terminals A-B of the circuit of Figure by setting independent sources to be zero and applying a test voltage at terminals A-B.
For the network shown in Figure, find the current delivered by the 10-V source and the voltage across the 3- resistor by means of mesh-current analysis.
Q. Three single-phase 100-kVA, 2400:240-V, 60-Hz transformers (each ofwhich has an equivalent series impedance of 0.045+j0.16 referred to its low-voltage side) are connected to fo
A collection of devices connected by Bluetooth technology in an ad hoc fashion.
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