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A diesel power station has the following data :•Fuel consumption/day = 1000 kg •Units generated/day = 4000 kWh•Calorific value of fuel = 10,000 kcal/kg•Alternator efficiency = 96%•Engine mech. efficiency = 95%
Estimate:-
(i) specific fuel consumption,
(ii) overall efficiency, and
(iii) thermal efficiency of engine.
Two-wattmeter method is used to measure the power absorbed by a 3-phase induction motor.- Find the power absorbed by the machine. - Find load power factor.
∂Δnp/∂t = DN∂2Δnp/∂x^2 -Δnp/τn + GL is known as the minority carrier diffusion equation for electrons. (a) Why is it called a diffusion equation (b) Why is it referred to as a minority carrier equation
derive an expression for the maximum allowable amplifier noise figure F, assuming an amplifier gain G and a connecting line loss L. Evaluate this expression for
A torque T = 750 kN.m is applied to the hollow shaft shown that has a uniform 8-mm wall thickness. Neglecting the effect of stress concentrations, determine the shearing stress at points a and b.
obtain the rotational losses of a universal motor if you are only given the impedance, RPM, voltage,poles, frequency, current and pf Basically I need to solve for the shaft torque and efficiency but can't get my Pout value without the rotational l..
The teacher decides that he will not lecture unless at least k of the n students enrolled in class, are present. Each student will independently show up with probability pg if the weather is good, and with pb if the weather is bad.
a. What are the cyclic frequency (in Hz) and period of this signal b. Express this signal in the Quadrature and Sine/Angle forms. c. Express this signal in terms of complex exponentials (hint - use Euler's identity equation).
There are two cylinders containing methane gas and Nitrogen dioxide gas. The volume of these two cylinders re 500cm3 and 700 cm 3 respectively.
Design a static CMOS circuit for a 4-bit comparator circuit. The comparator circuit takes 2 bit strings as inputs, and returns the larger one. For example, for the inputs 0100 and 0011, the circuit will return 0100.
A single-phase, 100-kVA, 1000:100-V, 60-Hz transformer has the following test results: Open-circuit test (FIV side open): 100 V, 6 A, 400 W Short-circuit test (LV side shorted): 50 V, 100 A, 1800 W 1)Determine the voltage regulation at 75% of the rat..
Three identical coils each of resistance 30? and inductance 127.3mH are connected in delta to a 400V, 50Hz 3-phase supply determine (A) the phase current and (B) the line current
What is pipeline processor?
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