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What is the advantage of using a double-break contact instead of a single-break contact?
Calculate a) the amount of ethylene glycol required. b) the amount of by product evolved and c) the amount of polyester produced.
Consider an investment project with the following cash flows: n Porject A Project B 0 -$150,000 -$120,000 1 $30,000 $25,000 2 $25,000 $15,000 3 $120,000 $110,000 A) Compute the IRR for each investment
calculate the mmf when the machine operates at rated voltage at full load? PLease explain how to get the solution to this problem?
Consider the following sets of investment projects: n A B C D E 0 -$250 -$200 -$70 -$300 -$90 1 $60 $90 $20 $220 -$100 2 $970 $90 $10 $40 -$50 3 $60 $5 $40 $0 4 $60 -$180 -$20 $150 5 $60 $40 $150 6 $50 $30 $100 7 $40 $100 8 $30 9 $20 10 $10
A solution is prepared by dissolving 1.00 g of Compound B in enough water to create 250.0mL of solution. What is the molarity of Compound B in this solution?
Calculate the value of vL developed across a 300 H coil when the instantaneous rate of change in component current equals 500 mA/s.
A truck was purchased 3 years ago for $45,000 and can be sold today for $24,000. The operating costs are $9,000 per year, and it is expected to last 4 more years with a $5,000 salvage value. A new truck, which will perform that same service.
An overhead line with an inductance of 1.33 mH/km and capacitance of 8.34 nF/km is connected to an underground cable with an inductance of 0.266 mH/km and capacitance of 166 nF/km.
Given stock solutions of glucose (1M), aparagine (100 mM) and NaH2PO4 (50 mM), how much of each solution do you need to prepare 500 mL of a reagent that contains 0.05 M glucose
how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater
Dynamic RAM that must be given a refresh cycle 64 times per ms. Each refresh operation requires 150 ns. memory cycle requires 250 ns.
Water is the working fluid in a vapor power cycle with reheat, superheat and reheat. Superheated steam enters the first turbine stage at 8 MPa, 480 C and expands to 0.7 MPa
Complex Voltage = 10-j20. try to convert it to polar coordinate with my Ti 89 but I keep getting my answers in arc tan.
Determining the o/p level from an attenuator of know i/p, An attenuator has an attenuation of 10 dB over the frequency range 10 MHz to 1.0 GHz
A digital signaling system is required to operate at 9600 bps. If a signaling element encodes a 8-bit word, what is the minimum required bandwidth of the channel?
A signal is modulated by BPSK and transmitted over an AWGN channel. At the receiver, the bit error rate performance is 0.001
Surface integral for jet engine. The air-gas exhaust velocity from a jet engine varies linearly from a maximum of 300 m/s at the center of the circular exhaust opening to zero at the edges. If the exhaust diameter is 1.6 m, find thq exhaust flow.
Construct a table showing the current for values of time between 0 and 9 hours at intervals of 1 hour.Hence draw a graph of i against t for 0 is smaller or equal to t is smaller or equal 9.(cannot type in proper inequality symbols)
Operational amplifier - Finding the offset voltage, An operational amplifier has a gain of 20. The input voltage is 125mV and the input bias current is zero.
Efficiency in a power transformer is 98.6 percent when loaded such that its copper losses are five times its core losses. Calculate the per unit resistance of this transformer.
Assume the initial state is steady (y = 0 at t = -0) a) Determine the transfer function of this process in the s domain. b) If the input is a ramp change in u(t) = 4t, determine the value of y(t) when t = 10s.
What is the PIV required of the diode? A half-wave rectifier employing a 12-V-rms 60-Hz sine-wave source and no dc load is filtered using a polarized electrolytic capacitor having a small leakage current.
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