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The capital cost of a hydro-power station of 50 MW capacity is Rs 1,000 per kW. The annual depreciation charges are 10% of the capital cost. A royalty of Re 1 per kW per year and Re 0.01 per kWh generated is to be paid for using the river water for generation of power.
The maximum demand on the power station is 40 MW and annual load factor is 60%. Annual cost of salaries, maintenance charges etc. is Rs 7,00,000. If 20% of this expense is also chargeable as fixed charges, calculate the generation cost in two part form.
why would a company's manager be concerned about the quantity of its purchase returns if its suppliers allow unlimited returns
For the network of given figure, determine the value of R for maximum power to R. -Determine the maximum power to R.
a 10 pole 25 cycle alternator directly coupled to, and is driven by a 60 cycle synchronous motor. how many poles are there in the latter
Consider an analog periodic sinusoid x(t) = cos (3*pi*t + pi/4) being sampled using a sampling period Ts to obtain the discrete time signal x[n] = x(t)I t=nTs = cos (3*pi*t + pi/4). a.) Determine the discrete frequency of x[n].
Computer security is not an issue for organizations alone. Anyone whose personal computer is connected to a network or the Internet faces a potential risk of attack. Identify all the potential security threats on a personal computer.
The rectangular shaped current pulse is applied to 0.5microFarad capacitor.The initial voltege on the capacitor is a 20V drop in the reference direction of the current. Assume the passive sign convention. Derive the expression for the capacitor vo..
A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120 V rms. The load draws a total of 10 kW at a power factor of 0.85. Calculate the rms value of the phase currents
We will make the follwoing probability assumptions: When team A plays team B, the probability that team A wins is given by: P(A wins) = \(([seed(B)+3]^2)/([seed(A)+3]^2 +[seed(B)+3]^2) \)
steam is condensed on the outside of a heated exchanger tube by pressing air through the inside of the tube. the air enters at 1.2 bars, 20 degree c and a speed of 10 m/s. the air exits at 80 degree c. the steam enters 3 bars, 200 degree c
Calculate the midband voltage gain. - What are the open-circuit and short-circuit time constants? - Determine CC and CL.
One of the firm's suppliers discounts prices for larger quantities. The first 1000 parts are $13 each. The next 2000 are $12 each. All parts in excess of 3000 cost $11 each. What are the average cost and marginal cost per part
the charge entering the positive terminal of an element is q(t) = -12e-2t mC. and the power delivered to the element is p(t) = 2.4e-3t W . what is the current , voltage and energy of the element in the time interval 0
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