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Commutator
The function of a commutator is to change alternating current induced in the armature into unidirectional current. The commutator is of cylindrical shape and is made up of wedge-shaped hard drawn copper. These segments are insulated from each other with thin layers of mica sheet. The number of segments is equal to the number of armature coils. Every commutator segment is linked to the armature conductor by means of a copper lug or riser.
a) Why cutting fluids are used for machining of metals? List different types of cutting fluids and additives for cutting fluids. b) What factors are responsible for surface fin
Seawater is boiled in a 5 liter kettle to produce drinking water. In class we solved the steady-state version of this problem. Here you are asked to consider the transient period
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AA steam power plant operates on a reheat Rankine cycle. Steam enters the high-pressure turbine at a pressure of 12.5 MPa and temperature of 550 oC at a rate of 15 kg/s. It leaves
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Distribution of shearing stresses on l--sections and miscellaneous sections
A jet strikes tangentially a smooth curved vane moving in the similar direction as the jet, and the jet gets reversed in the direction. Prove that the maximum efficiency is slightl
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Obtain the equations of the elastic curve and use them to determine the deflection and rotation at point B in terms of E, I, F and L. Determine the maximum bending stress in the
Q. Requirements for vessels with thickness? The following additional requirements are applicable, as specified, to Carbon Steel and Low Alloy steel pressure vessels with main
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