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The no-load and blocked-rotor tests on a three phase, wye-connected induction motor yield the following results:
• No-load test: line-to-line voltage 400 V, input power 1770 W, input current 18.5 A, and friction and wind age loss 600 W
• Blocked-rotor test: line-to-line voltage 45 V, input power 2700 W, and input current 63 A Determine the parameters of the equivalent circuit of Figure 13.2.5(a), assuming R1 = R'2 and Xl1 = X'l2.
Calculate the new rotor current frequency.
The stack gas emerges at 760 mm Hg. Calculate the percentage conversion of hexane, the percentage excess air fed to the burner, and the dew point temperature of the stack gas.
Elaborate on the hierarchy of control measures used in Industrial Hygiene How would you calculate the noise problem at the factory and what control measures would you consider before you recommend the supply of hearing protection to personnel ex..
the path followed by a fixed amount of a perfect gas during a reversible process is described by the following
An electric current of 200 A is passed through a stainless steel wire having a radius of 0.001268 m. The length of the wire L is 0.91 m and has a resistance of 0.126 ohms. The outer surface temperature Ts is held at 422.1 K. The average conductivi..
determine the total depreciation cost during the first year.
In Uniformly varying load in simply supported beam, when we are calculating reaction at support we say centorid of triangle will be at 2x/3 from a to b. but, when calculating moment we say centroid will lies at x/3 from a to b, why?
Literature review around 1000 words All information from journal/ book only Harvard references No Plagiarism Literature review on the following: Introduction:
A supply of nitrogen is required as an inert gas for blanketing and purging vessels. After generation, the nitrogen is compressed and stored in a bank of cylinders, at a pressure of 5 barg.
Consider a 1-bit version of the digital comparator shown in Figure P6.1.41. Note that the operation of this circuit is such that whichever output is 1 gives the desired magnitude comparison.
The binding of the hydrophobic amino acid tryptophan to a protein shows a pronounced hydrophobic effect. The thermodynamic data for the binding of is given below calculate ?
If this machine is operated from a 440-V dc supply, determine the speed at which this motor will run and the current taken from the supply, assuming no mechanical load, no friction and wind age losses, and that the field current is maintained at 4..
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