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1 what is the effect of magnetic saturation on the external characteristics of a dc shunt generator2 discuss that emf
1 explain the meaning and significance of the critical field resistance of a shunt generator2 each commutator segment
1 state the types of dc motors what is the basis of the classification2 based on emf and torque equation compare and
a 6-pole 50 hz 3-phase induction motor running on full-load develops a useful torque of 160 nm and the rotor emf is
1 what is meant by the statement that a synchronous machine is lsquofloating on the busbars2 elaborate the statement
a 25 kva 400 v 3-phase synchronous generator delivers rated kva at rated voltage at 08 pf lagging the per phase star
a 12-pole 3-phase 50 hz delta-connected induction motor draws 280 a and 110 kw under blocked-rotor test at rated
three persons a b and c get to a post office at the same time they each want to make a telephone call there are two
with p denoting the transition matrix defined in exercise 109 of chapter 2 let q p - i and consider a continuous time
a landowner has constructed an elevated reservoir as shown in fig p1249 she estimates that 1200 lmin is available as
a 20deg inclined manometer attached to a piezometer opening is used to measure the pressure at the wall of airflow if
determine the power output the type of turbine and the approximate speed for the installation shown in fig p1240
what is predictive data analytics what is supervised machine learningnbsp machine learning is often referred to as an
select one of the predictive analytics models that you proposed in your answer to the previous question about the oil
select one of the predictive analytics models that you proposed in your answer to question 2 about the revenue
the following is a description of the causal relationship between storms the behavior of burglars and cats and house
a square loop of side 2d is placed with two of its sides parallel to an infinitely long conductor carrying current i
for the magnetic circuit of fig p22 find the flux density and flux in each of the outer limbs and the central limbs
a prediction model is going to be built for in-line quality assurance in a factory that manufactures electronic
a steel ring has a mean diameter of 20 cm a cross-section of 25 cm2 and a radial air-gap of 08 mm cut across it when
the magnetic circuit shown in fig p28 has a coil of 500 turns wound on the central limb which has an air-gap of 1 mm
the magnetic circuit of fig p214 has a magnetic core of relative permeability 1600 and is wound with a coil of 1500
the core-loss hysteresis eddy-current loss for a given specimen of magnetic material is found to be 2000 w at 50 hz
a transformer has 200 primary and 400 secondary turns the primary draws a current of 4468 j 237 a when the secondary
a 23 kva 50 hz 2300230 v transformer has primary and secondary turns of 20020 when rated voltage is applied calculate