Engineering, 06.03.2020 22:26 diflakf
In a balanced Y- three-phase circuit 120 0 Van V rms. The load impedance per phase is 4 6 ZZ j L . Determine the load voltages and line currents. Consider a positive sequence for the three-phase circuit.
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Fluids at rest possess no flow energy. a)- true b)- false
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Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
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Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
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In a balanced Y- three-phase circuit 120 0 Van V rms. The load impedance per phase is 4 6 ZZ...
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