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In a processing plant, a chemical tower has a liquid which is vaporized. However, if the vapor in the tower reaches 150°C, an alarm needs to be generated so that safe shutdown of that system of the plant may be initiated. An RTD will be used to measure the temperature of the vapor. The RTD will generally operate between 80° to 175°C and has a resistance of 220? at 20°C. The fractional change in resistance per 1°C is 0.0040. The dissipation constant is 25mW/°C. Design a circuit to activate an LED alarm when the temperature reaches 150 °C. The error should not exceed +/-1°C. Use a single supply voltage.
Prove that the terminals of a voltage controlled current source (VCCS) can be connected so as to form a 2 terminal element that behaves exactly like a resistor.
The core loss of a 5 kVA single phase transformer with normal voltage applied to the primary is 75 Watts. The maximum efficiency occurs at 60% of full load kVA. What is the full-load efficiency of the transformer at 0.80 power factor
The total bandwidth allocated is 200MHz . The signal-to-interference-ration required is 18 dB. Propagation path loss exponent n = 3 and omnidirectional antennas for the base stations are used. ?1) Find the appropriate cluster size.
The field current of a 200kW, 230V shunt generator is 8A. When running full load at rated voltage. If the combined brush contact and armature resistance is 0.03 ohms. Determine the power generated and the electrical efficiency.
The electric field of a uniform plane wave propagating in lossless isotropic medium is E(x,t) = 60π cos(3*108 t + 4x) αy V/m. The magnetic field at point (0,0,0) when t = 0 is 1A/m. The unit of t is second and the unit of x is meter.
The eigenfunction property is only valid for LTI systems. Consider the cases of nonlinear and of time varying systems. (a) A system represented by the following input-output equation is nonlinear:
A 5stage single pipeline computer uses the pipeline mentioned in the lecture (not the book). It resolves the direction and target of a conditional branch instruction at the end of its third pipeline stage.
consider three level converter it suppllies 600vrms line to line 60hz balanced 3 phase fundamental voltage. each dc
A transmission line constructed from perfect conductors and airdielectric is to have a maximum dimension of 8mm for its crosssection. The line is to be used at high frequencies. Specify the dimensions if it: (a) a two-wire line with Zo = 300 Ω
Identify one emerging technology, and evaluate its future prospects by identifying the cultural and social factors that may prevent or promote its successful application. Use concrete details to support your answer.
The traffic light changes from green (logic 0) to red (logic 1) when thebeginning of the train is 1 mile from the junction. The light changes back to green when the end of the train is 1 mile away fromthe junction. Assume that the length of the tr..
A fair 6-sided die was tossed in a fair way 5 times. a. What's the probability of getting the sequence of outcomes 1, not 1, 2, not 2, 3 b. What's the probability of getting exactly two 6's in the sequence of 5 tosses
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