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a transformer winding was designed to be fed by an ac voltage of 110 v and to produce an effective current of 105 a by
a 10 hp y-connected 60 hz 380 v three-phase induction generator is used to drive a small micropower plant the
1 explain the difference between rotor speed and rotor frequency for s -001 and a rotor speed of 1740 rpm what is the
1 using matlabsimulinkreg write a computer program to represent the seig in its transient state2 explain why an ig
1 discuss the four best-known practical methods of generating residual magnetism2 discuss the advantages of a matrix
a small three-phase ig has the following nameplate data 110 v 1140 rpm 60 hz y connection and 1250 w the blocked rotor
in a small generating system there are two generators in parallel one of them is a synchronous generator and the other
1 gas turbine and compressed air systems will serve as prime movers at a very high speed discuss the design
1 determine the capillary rise for a water-air-glass interface at 40degc in a clean glass tube having a radius of 1 mm2
1 a differential manometer is used to measure the pressure change caused by a flow constriction in a piping system as
1 the tank is accelerated upward at a uniform rate does the manometer level go up or down2 glass viewing windows are to
a watertight bulkhead 22 ft high forms a temporary dam for some construction work the top 12 ft behind the bulkhead
1 the dam shown below is 100 m wide determine the magnitude and location of the force on the inclined surface2 the
a cubical piece of wood with an edge l in length floats in the water the specific gravity of the wood is 090what moment
the number of molecules crossing a unit area per unit time in one direction is given bywhere n is the number of
using the information given in problem and the properties of the standard atmosphere given in appendix g estimate the
1 using the expression for the gradient in polar coordinates appendix a find the gradient of psirtheta whenwhere is the
1 a vertical cylindrical tank having a base diameter of 10 m and a height of 5 m is filled to the top with water at
1 a pressure of 10 mpa is applied to 025 m3nbspof a liquid causing a volume reduction of 0005 m3 determine the bulk
1 two clean and parallel glass plates separated by a gap of 1625 mm are dipped in water if sigma 00735 nm determine
1 at 60degc the surface tension of water is 00662 nm and that of mercury is 047 nm determine the capillary height
on a certain day the barometric pressure at sea level is 301 in hg and the temperature is 70degf the pressure gage in
on a certain day the barometric pressure at sea level is 301 in hg and the temperature is 708f the pressure gage in an
in problem above find the depth at which the net force on the tank is zeroproblem -on a certain day the barometric