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1. What factors must be considered in equipment placement?
2. Outline the correct brazing procedure for hard copper refrigeration piping.
3. What electrical rating on a unit data plate is useful for sizing the power wire for the unit?
A 4 MHz time-harmonic uniform TEM plane wave that is traveling through a lossy nonmagnetic medium has an amplitude that attenuates by 20% for each meter of propagation. The electric field of the wave leads the magnetic field by 35°
about 10000 btus of heat input are required for an electric utility to produce 1 kilowatt-hour of electrical energy.
Thyristors are considered the workhorses of power electronics. -Describe the operation, characteristics, and applications of two key types of thyristors.
The 1kHz signal is sampled at a rate of 4 k-samples/s and the sequence of samples is sent to a loud speaker. Using a diagram explain why high frequency tones are heard an what must be done to eliminate them.
What is the relationship between a unit step and a ramp signal?
It is operating in parallel with a 480-V 150-kW four-pole 50-Hz synchronous generator whose prime mover has a no-load speed of 1500 r/min and a full-load speed of 1485 r/min. The loads supplied by the two generators consist of 200 kW at 0.85 PF l..
Make sure to mark significant points in your figure (amplitude, offset, time, etc.). How could a device be modified to work as an electro-optic phase modulator? If we apply signal V, what is the range of phase shifts induced by this modulator.
The input of a lightly loaded transmission gate is slowly Ajit Pal, IIT Kharagpur Ajit Pal, IIT Kharagpur changes from HIGH level to LOW level. How the currents through the two transistors vary
the saturated liquid and vapor mixture at t=300c and quality of 75%.the mixture occupies a volume of 0.05 m^3 (a) find the specific volume in m^3/kg (hints: vf= 0.0014 vg=0.02167m^3/kg at t =300c) (b) find the mass of the mixture in kg.
If the amplitude of the incident wave voltage at theload is 100V, determine the amplitude of the total voltage at theload, the distance from the load to the first voltage minimum and the amplitude of the voltage at this minimum.
What value of current needs to be passed through this coil in order to produce a flux of 250 μ Wb in the toroid, if under these conditions the relative permeability of the toroid is 300.
Question about Complex power, If an electrical load operates at 240 Vrms.The load absorbs an average power of 8kW with .8 lagging power factor
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