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A rotating electric machine with uniform air gap has a cylindrical rotor winding with inductance L2 = 1 H and a stator winding with inductance L1 = 3 H. The mutual inductance varies sinusoidally with the angle θ between the winding axes, with a maximum of 2 H. Resistances of the windings are negligible. Compute the mean torque if the stator current is 10 A (rms), the rotor is short-circuited, and the angle between the winding axes is 45°.
Devise a control system for this reactor, and draw up a preliminary piping and instrument diagram. The following points need to be considered:
Estimate the number-average molecular weight that is required to give a tensile strength of195MPa.
Machining of composites can be classified as conventional machining and non-traditional machining. Among each category, there are many processes. Describe each of those processes, by giving the brief definition of the process, listing the machine..
Two aqueous sulfuric acid solutions containing 20.0 wt% H2SO4 (SG = 1.139) and 60.0 wt% H2SO4 (SG = 1.498) are mixed to form a 4.00 molar solution (SG = 1.213).
What are the biggest risks to the child? How are they controlled
Assuming that sucrose is produced by the reaction: 12CO2(g)+11H2O(l) yields C12H22O11(s) 12O2(g); delta H=5640kj calculate the percentage of sunlight used to produce the sucrose- that is, determine the efficiency of photosynthesis.
determine the optimum values of x and y involved in Eqs. (92) to (95).
Name two analytical methods commonly used in Industrial Hygiene. Illustrate your answer with two typical examples What are the four significant physical parameters that you would use to assess the thermal comfort of employees working in a hot and..
If a mixture of 5.0 g of hydrogen and 10. g of methane is burned, and the heat released is transferred to 50.0 g of water at 25.0C, what final temperature will be reached by the water?
A Hollow steel sphere contains 100 watt electrical filament inside it for heating. The other relevant data are as follows- Internal and external radius of the sphere = 0.24 and 0.32 m respectively.
If the company demands a 15 percent return on any unnecessary investment, which of the four designs should be accepted?
Calculate the specific heat capacity and the molar heat capacity of mercury.
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