# A certain amount of fuel can produce 10 quads of

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84.A certain amount of fuel can produce 10 quads of energy. In how many dayswill the fuel be totally consumed if it is used to satisfy a demand of 1013BTU/day at a power plant with and overall efficiency of 20 percent?A. 190B. 205C. 195D. 200
REGISTERED ELECTRICAL ENGINEERS PRE-BOARD EXAMINATIONMARCH 2013PROFESSIONAL ELECTRICAL ENGINEERING SUBJECTS85. What is the equivalent of the constant C in the ABCD constants for theNominal-T circuit of a transmission line for which R = 10 Ω, XL= 20 Ω, Y =400 μs for each phase?o86. Which of the following ammeters is the most sensitive?
87.A transformer is to be used to match a secondary load impedance of 800 ohmsto a generator line impedance of 128 ohms. What should be the ratio oftransformation of the transformer for maximum power transfer?
88. TV Channel 2 has a frequency of 60 MHz What is the wavelength?A. 50mB. 500mC. 0.5mD. 5mWavelength =3𝑥10^860𝑥10^6= ?𝒎
89.At a certain point of the system network the positive, negative and zerosequence impedances are 0.25 p.u., 0.25 p.u. and 0.3 p.u., respectively.The base MVA is 100. The voltage level at that point is 34.5 kV. Determinethe zero sequence current for a one-line ground fault.
90.A 1-phase, 220-V 50-A induction motor draws 10 kW of power. A 1-phase,8-kVA synchronous motor is placed parallel with it in order to adjust thepower factor to unity. What must be the power factor of the synchronousmotor?
REGISTERED ELECTRICAL ENGINEERS PRE-BOARD EXAMINATIONMARCH 2013PROFESSIONAL ELECTRICAL ENGINEERING SUBJECTStan∅new = 24.92
91.Brushes of dc machine are usually made of

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Term
Spring
Professor
asyamg
Tags
Electric motor