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1. Explain the concept of variable air volume in a zoning system.
2. Explain the difference between two-position and modulating damper control.
3. Explain how a barometric damper operates. 10. List several types of zone dampers.
A three-phase, 318.75-kVA, 2300-V alternator has an armature resistance of 0.35 /phase and a synchronous reactance of 1.2 /phase. Determine the no-load line-to-line generated voltage and the voltage regulation
Neglecting any effect of friction or gravity, show that the slab will execute periodic motion and find its time period.
A thermocouple is installed in the exhaust of an incineratorused to deodorize fumes from a corn chip fryer. The electronic instrumentation isdesigned to employ type K thermocouples and the temperature is inthe range of 600oC.
write a C program to toggle both PA4 and PA7 of PORTA ON and OFF, with a 1-ms delay after each toggle. Assume that clock frequency is 6.25 MHz. Write inline assembly-language code inside of the delay function.
For all transistors in the circuit in Figure in the text, the current gain is β = 50. - Calculate the power dissipation in the circuit when the input is at logic 0.
A three phase motor draws 20kva at 0.7 lagging power factor from a 240 V source. Determine the kVAR rating of the capacitors to make the combined power factor 0.9 lagging and determine the line current before and after the capacitors are added.
let a character stream fromthis source be Huffmancoded. Then, let groups of consecutive four message bitsbe encapsulated into 8-bit SEC-DED Hamming code words.Suppose the following two Hamming are received:0101111001100001.
The axis of the cylinder is along the z axis, and the electrons are moving with a velocity vector v in the positive z direction. The velocity of the electrons is 0.1c where c is the speed of light (2.99792458 ´ 108 [m/s]). The magnitude of the cur..
The input power to the rotor circuit of a six-pole, 60 Hz, induction motor running at 1100 r/min is 5 kW. What is the rotor copper loss in this motor?
Find the input torque to the generator.If armature current and field current are kept constant, find the new value of the terminal voltage if the power factor is changed to 0.7 lagging.
A wooden cylinder 30.0 cm highs gloats vertically in a tube of water (density = 1.00 g/cm cube). The top of the cylinder is 14.1 cm above the surface of the liquid. What is the density of the wood
Show that the electric field intensity is perpendicular to the two dotted lines shown (at 45°)
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