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Q. A three-phase load, connected to a 440-V bus, draws 120 kWat a power factor of 0.85 lagging. In parallel with this load is a three-phase capacitor bank that is rated 50 kVAR . Determine the resultant line current and power factor.
Q. A 75-kVA transformer has an iron loss of 1 kW and a full-load copper loss of 1 kW. If the transformer operates on the following load cycle, determine the all-day efficiency:
Define Stability - Characteristics of Discrete Time Systems? The LTI system is stable if its impulse response satisfies the condition This condition is satisfie
Process The rectangle symbol is used to represent the process operations as shown below. MOV A, B
The energy consumption for a small factory is given at the end of the brief. a) Three commercial tariffs from an energy supplier are shown below. Using these (or other commercia
Q. A JK flip-flop is shown in Figure (a). (a) Modify it to operate like the D flip-flop of Figure (b). (b) Modify the JK flip-flop to operate like the T flip-flop of Figure (
Q. A 5-kVA, 480:120-V, two-winding, 60-Hz, single-phase transformer has an efficiency of 95% while delivering rated load at rated voltage and 0.8 power factor lagging. This transfo
Voltage is referred as Potential difference among two points. Potential means its force. I think so.voltage defination is 100% correct.
First Generation (1946- 1654) In the first generation computer vacuum tubes and valves were used. These computer were very large in size ( thousands of square feet on the fl
a) Write short notes on part feeding devices and transfer mechanism. b) Explain with example automation for machining operation with relevant diagrams. c) discuss different p
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