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1) ABC construction is considering two projects to develop. The estimated net cash flow from each project is as follows:
Project M Project N
Y1 10,000 25,000
Y2 15,000 25,000
Y3 20,000 25,000
Y4 25,000 25,000
Y5 30,000 25,000
Each project requires an investment of $ 1, 00,000. A rate of 10% has been selected for the NPV analysis.
Require to
a) Calculate Payback period, ARR, Net Present Value and Profitability Index.
b) Which Project is to be recommended to develop based on NPV, Profitability Index, Payback period and ARR? Suggest
A room has four doors and four light switches (one by each door). Sketch a circuit that allows the four switches to control the light - each switch should be able to turn the light on if it is currently off, and off if it is currently on.
Define the concept of the (HAMMING) distance of a code and describe its importance for error recognition and correction. What is the significance of the inequality 2k = n + 1 (k check bits; n is the length of the code word).
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A common-emitter amplifier with an emitter resistance RE, but without an emitter by-pass capacitor CE is good for high input resistance, common-emitter amplifier using an emitter by- pass capacitor is good for high voltage gain
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Design an embedded system to turn on an LED when it is dark and turn off of LED during the day time.
A sequential circuit with two D flip flops, two inputs x and y, and one output z is specified by the following next state and output equations: A(t + 1) = xy + x'B B(t + 1) = y'A' + yB
Polonium (Po) is the only material which forms a simple cubic crystal (i.e., it is not FCC or BCC) structure with atoms at the corner positions. It is a metal (but it is radioactive so it has very few engineering applications!). Its atomic number ..
The can's initial volume at 5 °C is 7.2 × 10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6 (C°)-1. When the can and the liquid are heated to 87 °C, 7.0 × 10-6 m3 of liquid spills over.
A motor's shaft is spinning at a speed of 1800 r/min. What is the shaft speed in radians per second
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