The propagation delays of the flip-flops in a counter will collectively determine the
A) ripple sequence. B) modulus.
C) maximum frequency. D) number of flip-flops.
C
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Which of the following is a cause for pump shutdown?
A. Overspeed trip B. Power failure C. Motor trip-out D. All of the above
Which of the following statements is accurate?
An ammonia synthesis process works as follows: Fresh feed air and hydrogen are combined with a recycle stream and the combined stream is compressed to 10 MPa. The compressed stream enters a reactor, and a fraction of the entering nitrogen and hydrogen are converted into ammonia. The reactor effluent, still at 10 MPa, enters a condenser. The liquid and vapor streams leaving the condenser are in VLE. The liquid stream, which is almost pure ammonia, is the product. A fraction of the vapor stream leaving the condenser is purged, while the rest is recycled.
In pigs, _____________________ areas indicate the overall amount of muscle in a carcass.
Fill in the blank(s) with the appropriate word(s).
Fermentation is an anaerobic process in which yeast converts sugar into _____ .
A. ?carbon dioxide B. nitrogen C. argon D. ?ethanol