A microturbine provides some of the electric power for CH2 . Waste heat from the microturbine ___________
A. is used in the absorption chiller
B. heats sewage to distill it
C. heats domestic water
D. Both A and C
D
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How many significant digits are in the number 8,600?
Fill in the blank(s) with the appropriate word(s).
The work of Michael Graves and Jonathan Ive represent important classical design that is influencing contemporary architecture and product design.
Answer the following statement true (T) or false (F)
As the frequency in a PWM drive increases, the number of pulses it produces per alternation __________.
A. increases B. decreases
The circuit in Figure P5.35 is a simple model of an automotive ignition system. The switch models the “points” that switch electric power to the cylinder when the fuel-air mixture is compressed. R is the resistance across the gap between the electrodes of the spark plug.
VG = 12V RG = 0.37? R = 1.7 k?
Determine the value of L and R1 so that the voltage across the spark plug gap just after the switch is changed is 23 kV and so that this voltage will change exponentially with a time constant ? = 13 ms.
