4.17) $14.39
4.21) 700 lb_m/hr
4.30) x_4 = 0.0398 kg S/kg
*note: you do not need to draw all 10 units and 20+ streams for (a), just draw maybe unit 1 and 4 to demonstrate that you understand the layout of the process.
Monday, September 27, 2010
Monday, September 13, 2010
Book Review: Wet Desert by by Gary Hansen
This is the first (and only?) book by Gary Hansen. It came out in 2007, but I had never heard of before now, and I only started it because Amazon was selling it for $0.99 on the Kindle (and it had a 5-star average review). It was the best $0.99 I ever spent. A very exciting and interesting book set on the Colorado river in Utah, Arizona, Nevada, and California. I love that region of the country, and having a book take me back there was great. Hansen is a good writer and a great story teller. It amazes me (and makes me a little sad) that this book is #246,941 on the Amazon best seller list. Everyone with a Kindle should buy it! Every publisher should sell 3 year old books for $0.99. What do they have to lose? Grade: A-
Thursday, September 2, 2010
Quick Book Reviews
Packing for Mars: The Curious Science of Life in the Void by Mary Roach
I read everything that Mary Roach writes, and it is all fantastic. I would describe Packing for Mars as the least edgy and eccentric book she's written -- her previous books were on the fate of the body after death (Stiff) and sex research (Boink), but I also think this is her best and funniest writing ever. The book explores a number of issues and experiences associated with travel in space and preparation for travel in space. It is interesting, funny, and enjoyable. Grade: B+
Sh*t My Dad Says by Justin Halpern
Any book that enjoys this much commercial success and this many weeks on the New York Times best seller list is a book I need to read. This book is very entertaining. It is basically a bunch of stories about Justin Halpern's dad. He always seems to say exactly what is on his mind, and it is always funny (and quotable). It has many, many laugh out loud till your side hurts lines. I did get sick of the Dad swearing every other word, but the book is definitely worth reading. Grade: B
I read everything that Mary Roach writes, and it is all fantastic. I would describe Packing for Mars as the least edgy and eccentric book she's written -- her previous books were on the fate of the body after death (Stiff) and sex research (Boink), but I also think this is her best and funniest writing ever. The book explores a number of issues and experiences associated with travel in space and preparation for travel in space. It is interesting, funny, and enjoyable. Grade: B+
Sh*t My Dad Says by Justin Halpern
Any book that enjoys this much commercial success and this many weeks on the New York Times best seller list is a book I need to read. This book is very entertaining. It is basically a bunch of stories about Justin Halpern's dad. He always seems to say exactly what is on his mind, and it is always funny (and quotable). It has many, many laugh out loud till your side hurts lines. I did get sick of the Dad swearing every other word, but the book is definitely worth reading. Grade: B
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