IMG_1213

10) notation from PHY240, Simplify the following expressions as much as possible. You must use Q = TĀ· (BC )) · (B · (AC ))+ (AB )· (AB · )

Which is TRUE about Geothermal Energy? A. It can be generated either in geothermal power plants or geothermal heat pumps. B. Heat cannot be recovered using different geothermal technologies C. Geothermal technologies determine what can be done with it. D. The temperature of geothermal water decreases with depth, depending on the thermal gradient.

What is the composition of Biogas? List the Applications of Biogas. (please write clear to can read it)

What is the composition of Biogas? List the Applications of Biogas.

53 ۱۲:۲۱ م 2_537318715... .(: Solution : ). Step 1 Given:- 8S Gea 34s 25 12 Step 2 (8s 8 45) are in Þarauel, their equivalent Conductance will be. Geg= 8+4= 12S (6s 8 125) are in series 8 their Com bination is in series with es), -. their equivalent conduct ance will be, Gegz: 2+ 12x6 = 2+4 = 6 S 12+6 Now, circuit will De, Gegi (125) Now, Geg, 8 Gegz are in series, Geg= Gegi x Gegz Gegi + Gegz Gegz C6s) 12×6 12+6 = 4S Geq = 4s And Hope that helps.)

Problem 2 A ten year investigation of a rivers' potential gave an average water flow of 25 cm per sec. at the bottom and 90 cm/sec at the surface. The average cross section at the same location is 80 m². How large is the power inputed to the plant if the effective head is 120 meters?

Identify the characteristics of AC and DC voltage. Runs at a higher temperature Answer 1Choose...DCAC More dangerous to transfer Answer 2Choose...DCAC Easy to produce Answer 3Choose...DCAC Easier to transform voltages Answer 4Choose...DCAC Voltage remains at a constant value Answer 5Choose...DCAC Cheaper to produce

1) Resistance in a circuit will cause the delay in the time for charging a capacitor. (True or false)   2) With increase in the frequency of the supply, Inductive reactance of an inductor will _______ (decrease or increase)   3) In an ac circuit, the voltage ______ a) leads the current b) is in phase with the current c) lags the current d) any of the above, depending on the circumstances   4) When the supply frequency increases, then the Capacitive Reactance (Xc ) in a circuit will a) Remain Same b) increase c) decrease   5) In a pure inductive circuit, the phase angle between the voltage waveform and current waveform will have ___ phase shift a) 180 deg b) 0 deg c) 45 deg d) 90 deg

8. a) Inductors_________ oppose a change of current.a) always b) sometimes c) never d) all of the above B) What is the direction of a self-induced emf in relation to any change in current? a) . the same direction as the current flow that caused itb) the opposite direction as the current flow that caused it c) may laemettherlalgr "b" d) neither a nor b C). Hysteresis loss is caused by _________a) low voltage DC. b) poorly insulated conductors c) molecular friction d) none of the above

Calculate the capacitive reactance if five 40 fF in parallel is connected to a frequency generator of 50 Hz signal. Show your solution. Give the nearest simplified math notation with unit.

-5.0000 -1.0000 + 1.0000i -1.0000 - 1.0000i The roots of the system characteristic equation are: * a) The system is stable. b) The system is unstable. c) The system is marginally (critically) stable.

A mild street ring having across sectional area of 600 sq mm and a mean circumference of 500 mm has a coil of 300 turns uniformly around it. Calculate the reactance at the ring and the current required to produce a flux of 800 uwb in the ring. If the relative permeability is 400.

Problem 3 The pressures PA and Pa in the differential manometer gage are 154.415 kPag and 150 kPag respectively. If Y = 1.0 m. and Z = 0.5 m., determine the deflection X due to the deflection of special gage liquid, s.g.l. (5.g. = 2.95). PA H20 5.g.. (s.g, = 2.95)

Please show your detailed solution Number 37 What value of inductive reactance is required to limit current through it to 25 mA when the voltage across it is 35 Vrms? A. 1400 ohms C 1979.9 ohms B. 891.27 ohms D. 14,000 ohms

51% P 9:31 KOREK I. www.bartleby.com = bartleby Q&A Sign in Engineering / Electrical Engineeri... / Q&A Libr... / The resistance of the filed coils wit... Question The resistance of the filed coils with copper conductors of a dynamo is 120 N at 25°C. After working for 6 hours on full load, the resistance of the coil increases to 140 2. Calculate the mean lempetature tive of the fieid coil. Take the tempetatute coefficient uf the comductor material as 0.0042 at 0C. V Expert Answer >

1%Yo . Ii. N{ A A:.. drive.google.com •.. pdf... p تسجيل الدخول PDF Example • In the piezometers of the figure shown, liquid stands 1.37 m above point M. What is the pressure at M in kiloPascal if the liquid is (a) water, (b) oil (sp gr 0.90) and (c) mercury? P = yh Pa = (9.81 x 1000) x 1.37 m.kg m 2 m3 Pa = 13439.7 1 P = 13439.7N × m2 Р., — 13439.7Ра — 13.44КРа Р, — 12.1КРа Р.— 182.78КРА 39 The density of water is 1.0 g/cm3 and h=10 cm. The density of the oil in the left column of the U-tube shown below is: 18 I 1 صفحة A.0,2 g/om3 B.0.8 g/cm³

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Choose the correct answer:6- Thermal breakdown occurs when the heat generated inside the insulating material isa) Equal to or greater than the heat dissipatedb) Less than that the heat generated from the surfacec) It is completely dissipated out of insulation surfaced) Only under ac voltage applicatione) None of the above7- The intrinsic breakdown strength of solid dielectrics is abouta) 5 to 10 MV/cmb) 500 to 1000 kV/cmc) 50 to 100 kV/mmd) 5 to 10 kV/mme) 1 to 5 kV/mm

What is Energy crisis? What are the causes of energy crisis? Explain the consequences and possible solutions of the energy crisis.   Please write the sources

Find the system’s time respons. Note: Excitation is a unit step.

Match the following Coal Kinetic Energy Wind Choose... Water stored in dam Choose... Uranium Choose...

4:24 A moodle.nct.edu.om LIectica TECHNOIogy Dashboard / My coursesviaMIEE2110N 2040 with Confidence T SECTION ASSESSMENTS/ Quiz 1 SECTION 2 Question 6 Not yet answered Marked out of 1.00 P Flag question Three inductive coils each of reactance 87 ohms and frequency of 50 Hz, 420V supply. Calculate the inductance of the coil in Henry. O 0.165 O 0.277 O 0.1496 O 0.1814 Previous page Next page ( Assignment No.1 - Submission Link - All sections Jump to...

In the measurement of level in a tank using capacitive type level probe, the following data is given below. Find C1 and C2. (choose Process Fluid/Service as Water). Span Level of liquid Capacitance (C) SLno radius of outer radius of inner cylinder/pipe cylinder/pipe(cm) (cm) (cm) (h2) pF (cm) 1. 4 2.06 880 675 C1 3 2.19 1400 1000 C2 Process Fluid/ServiceDielectric Constant(E, Water 80 Hydrochloric Acid 5 Coffee Beans 1.5 Grain of mustard seed 3.6 Skimmed milk powder 23 сараcitance C1 capacitance C2

Q Search to y unverray nyoro carOTIC 10 Tr LA What is the characteristic, given in the figure and which curve represents operation at resistive-inductive load? * ines II)

please explain steps-by-steps solution tq

Write the answers precisely, do not elaborate unnecessarily, and don't use chatgpt, if i caught it I'm gonna downvote Question: Discuss the electrochemical techniques that are useful to study the capacitive properties of a material. Highlight the importance of each technique

Definitions and examples▪ Global horizontal irradiance▪ Normal direct irradiance▪ Horizontal diffuse irradiation▪ Ratio between diffuse and global irradiance.▪ Optimal irradiance of photovoltaic modules.

Discuss the following statement whether it is correct or not, please explain your answer briefly. Considering dielectric-dielectric boundary conditions; Eit is always equal to E24 "

A 120 V, 60 W lamp is to be operated on 220 V, 50 Hz supply mains. For the lamp to operate in correct voltage, calculate the value of (i) non-inductive resistance and (ii) pure inductance (U.P.T.U. 2005–06)

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